FAQ Database Discussion Community


R: ggmap: containing missing values (geom_point) when plottinng but no NAs values found in data.frame

r,ggmap
I'm plotting some points over a map with ggmap package. The problem is that i get the message: "Removed 12 rows containing missing values (geom_point)". But i don't have any NAs. I've looked the data, and used: sum(is.na(limanov2)) #Gives 0 to prove it. This is my code: library(maps) library(ggmap) lima...

Binning longitude/latitude labeled data by census block ID

r,ggplot2,gis,ggmap,binning
I have two data sets, one for crime in Chicago, labeled with longitude and latitude coords and a shapefile of census blocks also in Chicago. Is it possible in R to aggregate crimes within census blocks, given these two files? The purpose is to be able to map out the...

How to plot data points at particular location in a map in R

r,google-maps,ggmap
I have a dataset that looks like this: LOCALITY numbers 1 Airoli 72 2 Andheri East 286 3 Andheri west 208 4 Arya Nagar 5 5 Asalfa 7 6 Bandra East 36 7 Bandra West 72 I want to plot bubbles (bigger the number bigger would be the bubble) inside...

Plotting GPS coordinates using ggmap

r,ggplot2,gps,ggmap
I am attempting to create a plot of gps coordinates on a map in R using ggmap. Here is the first 10 rows of the dataset I am using: gps[1:10,] X_id lon timestamp lat 1 5555bcda65bc7d0f2c8d1a9c -4.018623 2015-05-15T09:31:06.859Z 53.23945 2 5555bcdb65bc7d0f2c8d1a9f -4.018623 2015-05-15T09:31:07.371Z 53.23945 3 5555bcdb65bc7d0f2c8d1aa2 -4.018623 2015-05-15T09:31:07.868Z 53.23945 4...

ggmap route finding - doesn't stay on roads

r,ggmap
I am trying to map a route using the route() function in ggmap. My problem is that the route doesn't stay on the roads. Is there something that my route_df <- route(origin, destination, structure = "route") code is missing? Or is there an alternative function that can be used to...

gmmap with zoom=1 not displaying

r,ggmap
I am trying to plot a world map using zoom=1 in the code below and it is not displaying, but when I put any other zoom number (for example 4) it is working perfectly... Any idea why it is not working with zoom=1? library(ggmap) map <- qmap('world', zoom = 1)...

Dynamic data point label Positioning in ggmap

r,ggplot2,ggmap
I'm working with the ggmap package in R and I am relatively new to geospatial data visualizations. I have a data frame of eleven latitude and longitude pairs that I would like to plot on a map, each with a label. Here is the dummy data: lat<- c(47.597157,47.656322,47.685928,47.752365,47.689297,47.628128,47.627071,47.586349,47.512684,47.571232,47.562283) lon<-c(-122.312187,-122.318039,-122.31472,-122.345345,-122.377045,-122.370117,-122.368462,-122.331734,-122.294395,-122.33606,-122.379745) labels<-c("Site...

R shiny. Error pops up while using ggmap

r,ggplot2,shiny,ggmap
I have a dataset with latitude and longitude place latitude longitude w 28.844692 77.103305 x 28.750925 77.1963099 y 28.702134 77.2202666 z 28.716547 77.1704 I've tried the code below and it is working fine: a <- coordinates[coordinates$place=="y",c("place","latitude","longitude")] get_constituency <- get_map(c(a$longitude, a$latitude)) ggmap(get_constituency) + geom_point(aes(x = a$longitude, y = a$latitude, size=10), alpha...

Plotting in R 3.1.2 [closed]

r,plot,ggplot2,ggmap
I have records of data by account (say unique 400 records). Each record has three different indications indicated premium. For each record, I am concerned with how the indications compare to each other. In some cases, the indications may be all relatively in line, while in other the 3 indications...

get bounding box from ggmap object

r,ggmap
I'm using ggmap library in R. I'm trying to download a rectangular map with it, but I know it'll give me a square. I only need the bounding box of the returned square. library(ggmap) map <- get_map(c(-65.7,-3.1,-64.4,-2.3),maptype="satellite",filename="map.png") str(map) chr [1:1280, 1:1280] "#294829" "#294829" "#2D512D" "#264425" ... - attr(*, "class")= chr...

How do I plot US cities using ggplot?

r,ggplot2,ggmap
I can plot the state of Louisiana just fine... require(ggplot2) require(ggmap) require(maps) LA <- map_data("state", region="louisiana") ggplot(LA, aes(x=long, y=lat))+geom_polygon() Now, I have data on how many sales calls were made to particular cities in LA. How would I add a point for each city where a sales call was made...

R stops displaying maps

r,google-maps,ggmap
Few days ago I was familiarizing myself with displaying maps, plotting points on the map from http://rpubs.com/nickbearman/r-google-map-making Today, I have intermittent success in displaying maps. library(ggmap) map <- qmap('Anaheim', zoom = 10, maptype = 'roadmap') Outputs Map from URL : http://maps.googleapis.com/maps/api/staticmap?center=Anaheim&zoom=10&size=640x640&scale=2&maptype=roadmap&language=en-EN&sensor=false And when I go to the URL...

how to handle error from geocode (ggmap R)

r,google-geocoder,ggmap
I'm using ggmap to find locations. Some locations generates error. For example, library(ggmap) loc = 'Blue Grass Airport' geocode(loc, output = c("more")) results in Error in data.frame(long_name = "Blue Grass Airport", short_name = "Blue Grass Airport", : arguments imply differing number of rows: 1, 0 It's ok if I can't...