start of data processing and analysis
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4 changed files with 660 additions and 0 deletions
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.Rhistory
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.Rhistory
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labs(title = "Metro Route Speed",
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subtitle = paste0("averaged between ",
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length(unique(metro_data %>% filter(pid %in% c("422")) %>% pull(origtatripno))),
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" bus trips - ",
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min(date(metro_data$time)),
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" to ",
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max(date(metro_data$time))),
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x = NULL,
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y = NULL) +
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theme(axis.text=element_blank(),
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axis.ticks=element_blank(),
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plot.caption = element_text(color = "grey")) +
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geom_sf(data = segments_sf %>% filter(pid %in% c("422")),
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inherit.aes = FALSE,
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aes(color = lag_spd),
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linewidth = 1) +
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scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
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facet_wrap(paste0(rt, "-", des) ~ .)
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View(metro_summary)
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metro_summary <- metro_data %>%
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mutate(pdist_bucket = round(pdist / 500) * 500) %>%
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group_by(pdist_bucket, rt, des, pid) %>%
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summarise(lat = median(lat),
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lon = median(lon),
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spd = median(spd),
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lag_spd = median(lag_spd),
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trip_count = n())
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metro_summary <- metro_data %>%
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mutate(pdist_bucket = round(pdist / 500) * 500) %>%
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group_by(pdist_bucket, rt, des, pid, origtatripno) %>%
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summarise(lat = median(lat),
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lon = median(lon),
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spd = median(spd),
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lag_spd = median(lag_spd),
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trip_count = n())
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trip_count = length(unique(origtatripno))
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metro_summary <- metro_data %>%
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mutate(pdist_bucket = round(pdist / 500) * 500) %>%
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group_by(pdist_bucket, rt, des, pid) %>%
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summarise(lat = median(lat),
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lon = median(lon),
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spd = median(spd),
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lag_spd = median(lag_spd),
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trip_count = length(unique(origtatripno)))
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ggmap(basemap) +
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labs(title = "Metro Route Speed",
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subtitle = paste0("averaged between ",
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segments_sf %>% filter(pid %in% c("422")) %>% pull(trip_count))),
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ggmap(basemap) +
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labs(title = "Metro Route Speed",
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subtitle = paste0("averaged between ",
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segments_sf %>% filter(pid %in% c("422")) %>% pull(trip_count),
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" bus trips - ",
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min(date(metro_data$time)),
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" to ",
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max(date(metro_data$time))),
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x = NULL,
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y = NULL) +
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theme(axis.text=element_blank(),
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axis.ticks=element_blank(),
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plot.caption = element_text(color = "grey")) +
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geom_sf(data = segments_sf %>% filter(pid %in% c("422")),
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inherit.aes = FALSE,
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aes(color = lag_spd),
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linewidth = 1) +
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scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
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facet_wrap(paste0(rt, "-", des) ~ .)
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segments_sf %>% filter(pid %in% c("422")) %>% pull(trip_count)
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metro_data_sf <- st_as_sf(metro_data, coords = c("lon", "lat"), remove = FALSE)
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metro_summary_sf <- st_as_sf(metro_summary, coords = c("lon", "lat"), remove = FALSE)
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segments_sf <- metro_summary_sf %>%
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group_by(rt, pid, des) %>%
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arrange(pid, pdist_bucket) %>% # Ensure points within each route are sorted if needed
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mutate(
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lead_geom = lead(geometry),
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lead_spd = lead(spd)
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) %>%
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filter(!is.na(lead_geom)) %>%
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# Create a segment for each pair of points
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rowwise() %>%
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mutate(
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segment = st_cast(st_union(geometry, lead_geom), "LINESTRING")
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) %>%
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ungroup() %>%
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as.data.frame() %>%
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select(rt, pid, des, pdist_bucket, spd, segment, lag_spd) %>%
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st_as_sf()
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ggmap(basemap) +
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labs(title = "Metro Route Speed",
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subtitle = paste0("averaged between ",
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segments_sf %>% filter(pid %in% c("422")) %>% pull(trip_count),
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" bus trips - ",
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min(date(metro_data$time)),
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" to ",
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max(date(metro_data$time))),
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x = NULL,
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y = NULL) +
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theme(axis.text=element_blank(),
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axis.ticks=element_blank(),
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plot.caption = element_text(color = "grey")) +
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geom_sf(data = segments_sf %>% filter(pid %in% c("422")),
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inherit.aes = FALSE,
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aes(color = lag_spd),
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linewidth = 1) +
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scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
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facet_wrap(paste0(rt, "-", des) ~ .)
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ggmap(basemap) +
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labs(title = "Metro Route Speed",
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subtitle = paste0("averaged between ",
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metro_summary %>% filter(pid %in% c("422")) %>% pull(trip_count),
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" bus trips - ",
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min(date(metro_data$time)),
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" to ",
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max(date(metro_data$time))),
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x = NULL,
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y = NULL) +
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theme(axis.text=element_blank(),
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axis.ticks=element_blank(),
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plot.caption = element_text(color = "grey")) +
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geom_sf(data = segments_sf %>% filter(pid %in% c("422")),
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inherit.aes = FALSE,
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aes(color = lag_spd),
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linewidth = 1) +
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scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
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facet_wrap(paste0(rt, "-", des) ~ .)
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metro_summary %>% filter(pid %in% c("422"))
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max(metro_summary %>% filter(pid %in% c("422")) %>% pull(trip_count))
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ggmap(basemap) +
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labs(title = "Metro Route Speed",
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subtitle = paste0("averaged between ",
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metro_summary %>% filter(pid %in% c("469")) %>% pull(trip_count),
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" bus trips - ",
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min(date(metro_data$time)),
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" to ",
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max(date(metro_data$time))),
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x = NULL,
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y = NULL) +
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theme(axis.text=element_blank(),
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axis.ticks=element_blank(),
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plot.caption = element_text(color = "grey")) +
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geom_sf(data = segments_sf %>% filter(pid %in% c("469")),
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inherit.aes = FALSE,
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aes(color = lag_spd),
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linewidth = 1) +
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scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
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facet_wrap(paste0(rt, "-", des) ~ .)
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library(tidyverse)
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library(influxdbclient)
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library(glue)
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library(ggmap)
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library(sf)
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# parameters needed to make connection to Database
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token <- substr(read_file(file = 'api_keys/influxdb_madison-metro'), 1, 88)
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org <- "e2581d54779b077f"
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bucket <- "madison-metro"
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days <- 1
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influx_connection <- InfluxDBClient$new(url = "https://influxdb.dendroalsia.net",
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token = token,
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org = org)
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#---
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# Fields you want to query
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fields <- c("spd", "pdist", "pid", "lon", "lat", "vid", "dly", "origtatripno")
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# Creating an empty list to store results for each field
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results <- vector("list", length(fields))
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# Loop through each field, get data, and coerce types if needed
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for (i in seq_along(fields)) {
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field <- fields[i]
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query_string <- glue('from(bucket: "{bucket}") ',
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'|> range(start: -{days}d) ',
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'|> filter(fn: (r) => r["_measurement"] == "vehicle_data")',
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'|> filter(fn: (r) => r["_field"] == "{field}")')
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data <- influx_connection$query(query_string)
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# Ensure the columns are coerced to consistent types
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# (Optionally add coercion based on your expected types)
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data <- bind_rows(data) %>%
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mutate(value = as.character(`_value`),
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field = `_field`) %>%
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select(time, rt, des, value, field)
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results[[i]] <- data
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}
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# Bind all results together
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metro_raw <- bind_rows(results)
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metro_raw <- pivot_wider(metro_raw, values_from = value, names_from = field) %>%
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distinct(pid, vid, lat, lon, spd, .keep_all = TRUE)
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metro_data <- metro_raw %>%
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mutate(time = with_tz(time, "America/Chicago"),
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spd = as.double(spd),
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pdist = as.double(pdist),
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lon = as.double(lon),
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lat = as.double(lat)) %>%
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group_by(origtatripno) %>%
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arrange(time) %>%
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mutate(lag_pdist = lag(pdist),
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lag_time = lag(time)) %>%
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mutate(lag_spd = (pdist - lag_pdist)/as.double(difftime(time, lag_time, units = "hours"))/5280)
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metro_summary <- metro_data %>%
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mutate(pdist_bucket = round(pdist / 500) * 500) %>%
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group_by(pdist_bucket, rt, des, pid) %>%
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summarise(lat = median(lat),
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lon = median(lon),
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spd = median(spd),
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lag_spd = median(lag_spd),
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trip_count = length(unique(origtatripno)))
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metro_data_sf <- st_as_sf(metro_data, coords = c("lon", "lat"), remove = FALSE)
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metro_summary_sf <- st_as_sf(metro_summary, coords = c("lon", "lat"), remove = FALSE)
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segments_sf <- metro_summary_sf %>%
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group_by(rt, pid, des) %>%
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arrange(pid, pdist_bucket) %>% # Ensure points within each route are sorted if needed
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mutate(
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lead_geom = lead(geometry),
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lead_spd = lead(spd)
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) %>%
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filter(!is.na(lead_geom)) %>%
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# Create a segment for each pair of points
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rowwise() %>%
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mutate(
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segment = st_cast(st_union(geometry, lead_geom), "LINESTRING")
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) %>%
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ungroup() %>%
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as.data.frame() %>%
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select(rt, pid, des, pdist_bucket, spd, segment, lag_spd) %>%
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st_as_sf()
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ggplot(data = metro_summary %>% filter(pid %in% c("421", "422")),
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aes(x = pdist_bucket,
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y = lag_spd)) +
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geom_point() +
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geom_smooth() +
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facet_grid(paste0(rt, "-", des) ~ .)
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register_stadiamaps(key = substr(read_file(file = "api_keys/stadia_api_key"), 1, 36))
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bbox <- c(left = min(metro_data$lon),
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bottom = min(metro_data$lat),
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right = max(metro_data$lon),
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top = max(metro_data$lat))
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#get basemap
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basemap <- get_stadiamap(bbox = bbox, zoom = 13, maptype = "stamen_toner_lite")
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ggmap(basemap) +
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labs(title = "Metro Route Speed",
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subtitle = paste0("averaged between ",
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metro_summary %>% filter(pid %in% c("469")) %>% pull(trip_count),
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" bus trips - ",
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min(date(metro_data$time)),
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" to ",
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max(date(metro_data$time))),
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x = NULL,
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y = NULL) +
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theme(axis.text=element_blank(),
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axis.ticks=element_blank(),
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plot.caption = element_text(color = "grey")) +
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geom_sf(data = segments_sf %>% filter(pid %in% c("469")),
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inherit.aes = FALSE,
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aes(color = lag_spd),
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linewidth = 1) +
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scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
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facet_wrap(paste0(rt, "-", des) ~ .)
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library(tidyverse)
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library(influxdbclient)
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library(glue)
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library(ggmap)
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library(sf)
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# parameters needed to make connection to Database
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token <- substr(read_file(file = 'api_keys/influxdb_madison-metro'), 1, 88)
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org <- "e2581d54779b077f"
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bucket <- "madison-metro"
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days <- 1
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influx_connection <- InfluxDBClient$new(url = "https://influxdb.dendroalsia.net",
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token = token,
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org = org)
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#---
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# Fields you want to query
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fields <- c("spd", "pdist", "pid", "lon", "lat", "vid", "dly", "origtatripno")
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# Creating an empty list to store results for each field
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results <- vector("list", length(fields))
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# Loop through each field, get data, and coerce types if needed
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for (i in seq_along(fields)) {
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field <- fields[i]
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query_string <- glue('from(bucket: "{bucket}") ',
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'|> range(start: -{days}d) ',
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'|> filter(fn: (r) => r["_measurement"] == "vehicle_data")',
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'|> filter(fn: (r) => r["_field"] == "{field}")')
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data <- influx_connection$query(query_string)
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# Ensure the columns are coerced to consistent types
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# (Optionally add coercion based on your expected types)
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data <- bind_rows(data) %>%
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mutate(value = as.character(`_value`),
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field = `_field`) %>%
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select(time, rt, des, value, field)
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results[[i]] <- data
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}
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# Bind all results together
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metro_raw <- bind_rows(results)
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metro_raw <- pivot_wider(metro_raw, values_from = value, names_from = field) %>%
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distinct(pid, vid, lat, lon, spd, .keep_all = TRUE)
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metro_data <- metro_raw %>%
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mutate(time = with_tz(time, "America/Chicago"),
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spd = as.double(spd),
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pdist = as.double(pdist),
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lon = as.double(lon),
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lat = as.double(lat)) %>%
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group_by(origtatripno) %>%
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arrange(time) %>%
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mutate(lag_pdist = lag(pdist),
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lag_time = lag(time)) %>%
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mutate(lag_spd = (pdist - lag_pdist)/as.double(difftime(time, lag_time, units = "hours"))/5280)
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metro_summary <- metro_data %>%
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mutate(pdist_bucket = round(pdist / 500) * 500) %>%
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group_by(pdist_bucket, rt, des, pid) %>%
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summarise(lat = median(lat),
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lon = median(lon),
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spd = median(spd),
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lag_spd = median(lag_spd),
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trip_count = length(unique(origtatripno)))
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metro_data_sf <- st_as_sf(metro_data, coords = c("lon", "lat"), remove = FALSE)
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metro_data_sf <- st_as_sf(metro_data, coords = c("lon", "lat"), remove = FALSE)
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library(tidyverse)
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library(influxdbclient)
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library(glue)
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library(ggmap)
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library(sf)
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# parameters needed to make connection to Database
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token <- substr(read_file(file = 'api_keys/influxdb_madison-metro'), 1, 88)
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org <- "e2581d54779b077f"
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bucket <- "madison-metro"
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days <- 1
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influx_connection <- InfluxDBClient$new(url = "https://influxdb.dendroalsia.net",
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token = token,
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org = org)
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#---
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# Fields you want to query
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fields <- c("spd", "pdist", "pid", "lon", "lat", "vid", "dly", "origtatripno")
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# Creating an empty list to store results for each field
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results <- vector("list", length(fields))
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# Loop through each field, get data, and coerce types if needed
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for (i in seq_along(fields)) {
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field <- fields[i]
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query_string <- glue('from(bucket: "{bucket}") ',
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'|> range(start: -{days}d) ',
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'|> filter(fn: (r) => r["_measurement"] == "vehicle_data")',
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'|> filter(fn: (r) => r["_field"] == "{field}")')
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data <- influx_connection$query(query_string)
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# Ensure the columns are coerced to consistent types
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# (Optionally add coercion based on your expected types)
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data <- bind_rows(data) %>%
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mutate(value = as.character(`_value`),
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field = `_field`) %>%
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select(time, rt, des, value, field)
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results[[i]] <- data
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}
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# Bind all results together
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metro_raw <- bind_rows(results)
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metro_raw <- pivot_wider(metro_raw, values_from = value, names_from = field) %>%
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distinct(pid, vid, lat, lon, spd, .keep_all = TRUE)
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metro_data <- metro_raw %>%
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mutate(time = with_tz(time, "America/Chicago"),
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spd = as.double(spd),
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pdist = as.double(pdist),
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lon = as.double(lon),
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lat = as.double(lat)) %>%
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group_by(origtatripno) %>%
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arrange(time) %>%
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mutate(lag_pdist = lag(pdist),
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lag_time = lag(time)) %>%
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mutate(lag_spd = (pdist - lag_pdist)/as.double(difftime(time, lag_time, units = "hours"))/5280)
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metro_summary <- metro_data %>%
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mutate(pdist_bucket = round(pdist / 500) * 500) %>%
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group_by(pdist_bucket, rt, des, pid) %>%
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summarise(lat = median(lat),
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lon = median(lon),
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spd = median(spd),
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lag_spd = median(lag_spd),
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trip_count = length(unique(origtatripno)))
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metro_data_sf <- st_as_sf(metro_data, coords = c("lon", "lat"), remove = FALSE)
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metro_summary_sf <- st_as_sf(metro_summary, coords = c("lon", "lat"), remove = FALSE)
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metro_summary <- metro_data %>%
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mutate(pdist_bucket = round(pdist / 500) * 500) %>%
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group_by(pdist_bucket, rt, des, pid) %>%
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summarise(lat = median(lat, na.rm = TRUE),
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lon = median(lon, na.rm = TRUE),
|
||||
spd = median(spd, na.rm = TRUE),
|
||||
lag_spd = median(lag_spd, na.rm = TRUE),
|
||||
trip_count = length(unique(origtatripno)))
|
||||
metro_data_sf <- st_as_sf(metro_data %>% filter(is.double(lat)), coords = c("lon", "lat"), remove = FALSE)
|
||||
View(metro_data)
|
||||
metro_data_sf <- st_as_sf(metro_data %>% filter(!is.na(lat)), coords = c("lon", "lat"), remove = FALSE)
|
||||
metro_data_sf <- st_as_sf(metro_data %>% filter(!is.na(lon)), coords = c("lon", "lat"), remove = FALSE)
|
||||
metro_summary_sf <- st_as_sf(metro_summary, coords = c("lon", "lat"), remove = FALSE)
|
||||
View(metro_summary)
|
||||
nrow(metro_data %>% filter(is.na(lon)))
|
||||
metro_summary <- metro_data %>%
|
||||
mutate(pdist_bucket = round(pdist / 500) * 500) %>%
|
||||
group_by(pdist_bucket, rt, des, pid) %>%
|
||||
summarise(lat = median(lat, na.rm = TRUE),
|
||||
lon = median(lon, na.rm = TRUE),
|
||||
spd = median(spd, na.rm = TRUE),
|
||||
lag_spd = median(lag_spd, na.rm = TRUE),
|
||||
trip_count = length(unique(origtatripno)))
|
||||
metro_data_sf <- st_as_sf(metro_data %>% filter(!is.na(lon)), coords = c("lon", "lat"), remove = FALSE)
|
||||
metro_summary_sf <- st_as_sf(metro_summary %>% filter(!is.na(lon)), coords = c("lon", "lat"), remove = FALSE)
|
||||
segments_sf <- metro_summary_sf %>%
|
||||
group_by(rt, pid, des) %>%
|
||||
arrange(pid, pdist_bucket) %>% # Ensure points within each route are sorted if needed
|
||||
mutate(
|
||||
lead_geom = lead(geometry),
|
||||
lead_spd = lead(spd)
|
||||
) %>%
|
||||
filter(!is.na(lead_geom)) %>%
|
||||
# Create a segment for each pair of points
|
||||
rowwise() %>%
|
||||
mutate(
|
||||
segment = st_cast(st_union(geometry, lead_geom), "LINESTRING")
|
||||
) %>%
|
||||
ungroup() %>%
|
||||
as.data.frame() %>%
|
||||
select(rt, pid, des, pdist_bucket, spd, segment, lag_spd) %>%
|
||||
st_as_sf()
|
||||
ggplot(data = metro_summary %>% filter(pid %in% c("421", "422")),
|
||||
aes(x = pdist_bucket,
|
||||
y = lag_spd)) +
|
||||
geom_point() +
|
||||
geom_smooth() +
|
||||
facet_grid(paste0(rt, "-", des) ~ .)
|
||||
register_stadiamaps(key = substr(read_file(file = "api_keys/stadia_api_key"), 1, 36))
|
||||
bbox <- c(left = min(metro_data$lon),
|
||||
bottom = min(metro_data$lat),
|
||||
right = max(metro_data$lon),
|
||||
top = max(metro_data$lat))
|
||||
#get basemap
|
||||
basemap <- get_stadiamap(bbox = bbox, zoom = 13, maptype = "stamen_toner_lite")
|
||||
ggmap(basemap) +
|
||||
labs(title = "Metro Route Speed",
|
||||
subtitle = paste0("averaged between ",
|
||||
metro_summary %>% filter(pid %in% c("469")) %>% pull(trip_count),
|
||||
" bus trips - ",
|
||||
min(date(metro_data$time)),
|
||||
" to ",
|
||||
max(date(metro_data$time))),
|
||||
x = NULL,
|
||||
y = NULL) +
|
||||
theme(axis.text=element_blank(),
|
||||
axis.ticks=element_blank(),
|
||||
plot.caption = element_text(color = "grey")) +
|
||||
geom_sf(data = segments_sf %>% filter(pid %in% c("469")),
|
||||
inherit.aes = FALSE,
|
||||
aes(color = lag_spd),
|
||||
linewidth = 1) +
|
||||
scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
|
||||
facet_wrap(paste0(rt, "-", des) ~ .)
|
||||
quantile(segments_sf %>% filter(pid %in% c("469") %>% pull(lag_spd), c(0,0.25, 0.5, 0.75, 1))
|
||||
)
|
||||
quantile(segments_sf %>% filter(pid %in% c("469") %>% pull(lag_spd)), c(0,0.25, 0.5, 0.75, 1))
|
||||
quantile(segments_sf %>% filter(pid %in% c("469")) %>% pull(lag_spd), c(0,0.25, 0.5, 0.75, 1))
|
||||
quantile(segments_sf %>% filter(pid %in% c("469")) %>% pull(lag_spd), c(0,0.25, 0.5, 0.75, 1))
|
||||
ggmap(basemap) +
|
||||
labs(title = "Metro Route Speed",
|
||||
subtitle = paste0("averaged between ",
|
||||
metro_summary %>% filter(pid %in% c("469")) %>% pull(trip_count),
|
||||
" bus trips - ",
|
||||
min(date(metro_data$time)),
|
||||
" to ",
|
||||
max(date(metro_data$time))),
|
||||
x = NULL,
|
||||
y = NULL) +
|
||||
theme(axis.text=element_blank(),
|
||||
axis.ticks=element_blank(),
|
||||
plot.caption = element_text(color = "grey")) +
|
||||
geom_sf(data = segments_sf %>% filter(pid %in% c("469")),
|
||||
inherit.aes = FALSE,
|
||||
aes(color = lag_spd),
|
||||
linewidth = 1) +
|
||||
scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
|
||||
facet_wrap(paste0(rt, "-", des) ~ .)
|
||||
metro_data %>% group_by(pid, rt, des) %>% summarise(route_count = length(unique(origtatripno)))
|
||||
# get counts of routes
|
||||
route_counts <- metro_data %>% group_by(pid, rt, des) %>% summarise(route_count = length(unique(origtatripno)))
|
||||
View(route_counts)
|
||||
ggmap(basemap) +
|
||||
labs(title = "Metro Route Speed",
|
||||
subtitle = paste0("averaged between ",
|
||||
metro_summary %>% filter(pid %in% c("1280")) %>% pull(trip_count),
|
||||
" bus trips - ",
|
||||
min(date(metro_data$time)),
|
||||
" to ",
|
||||
max(date(metro_data$time))),
|
||||
x = NULL,
|
||||
y = NULL) +
|
||||
theme(axis.text=element_blank(),
|
||||
axis.ticks=element_blank(),
|
||||
plot.caption = element_text(color = "grey")) +
|
||||
geom_sf(data = segments_sf %>% filter(pid %in% c("469")),
|
||||
inherit.aes = FALSE,
|
||||
aes(color = lag_spd),
|
||||
linewidth = 1) +
|
||||
scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
|
||||
facet_wrap(paste0(rt, "-", des) ~ .)
|
||||
ggmap(basemap) +
|
||||
labs(title = "Metro Route Speed",
|
||||
subtitle = paste0("averaged between ",
|
||||
metro_summary %>% filter(pid %in% c("1280")) %>% pull(trip_count),
|
||||
" bus trips - ",
|
||||
min(date(metro_data$time)),
|
||||
" to ",
|
||||
max(date(metro_data$time))),
|
||||
x = NULL,
|
||||
y = NULL) +
|
||||
theme(axis.text=element_blank(),
|
||||
axis.ticks=element_blank(),
|
||||
plot.caption = element_text(color = "grey")) +
|
||||
geom_sf(data = segments_sf %>% filter(pid %in% c("1280")),
|
||||
inherit.aes = FALSE,
|
||||
aes(color = lag_spd),
|
||||
linewidth = 1) +
|
||||
scale_color_distiller(palette = "RdYlGn", direction = "reverse", limits = c(0,70), name = "Average speed\n(calculated with consecutive points)") +
|
||||
facet_wrap(paste0(rt, "-", des) ~ .)
|
||||
Loading…
Add table
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Reference in a new issue