All Questions
25
questions
10
votes
3
answers
8k
views
reverse colors in colorNumeric()
I am trying to reverse the colors of a choropleth map. I am using the leaflet package and the colorNumeric() function, here is the code that generates the palette function:
pal <- colorNumeric(...
- 252
4
votes
3
answers
2k
views
How to plot a specific column from a SpatialPolygonDataframe with leafletR?
I would like to create a choropleth map using leafletR::leaflet.
My data comes in a SpatialPolygonsDataFrame, and I would like to choose a specific column to be plotted.
With sp::spplot, this is easy-...
- 2,431
4
votes
1
answer
1k
views
TopoJSON choropleth in R/Leaflet?
Is it possible to style a TopoJSON file from its features for a choropleth using R/leaflet? Tried a few things, and I'm not sure if this is impossible with the leaflet package or if I just don't have ...
- 336
3
votes
1
answer
799
views
How to Properly Store ShapeFiles when Deploying R Shiny App
I am working on an R Shiny project to visualize the spread of COVID19 around the world. When I run the app locally, it works just fine, but when I try to deploy the app, it runs into issues which I ...
- 879
2
votes
1
answer
2k
views
How to create a leaflet choropleth map of US counties
With the code below I get my dataframe with US county data
library(raster)
library(leaflet)
library(tidyverse)
# Get USA polygon data
USA <- getData("GADM", country = "usa", level = 2)
### Get ...
- 8,306
2
votes
2
answers
509
views
Only the first polygon is showing up in Leaflet 2.0.1 choropleth plot
My leaflet choropleth plot in my Shiny App is only showing the first polygon after the recent package update to Leaflet 2.0.1.
I had adapted the code from the Leaflet for R webpage and it used to ...
- 110
2
votes
1
answer
5k
views
Shiny reactive value with radiobutton
I am creating a Shiny app meant to display a choropleth map.
I would like to change reactivly the values to show on my map with radiobuttons.
It worked fine with normal button, but i am struggling ...
- 154
2
votes
1
answer
921
views
R shiny chorpleth map
I am new in R. now I am creating shiny app. R can read my dataset. with the comand myData <- read.csv("myData.csv"). however shinyServer file cannot read my data. and list no observation.
Could ...
- 23
2
votes
1
answer
2k
views
R Shiny leaflet addPolygons (colors are not showing)
I hope you can help me. I have created a choropleth Map with Leaflet. I merged my (dataframe with countries and a random score) and a Shapefile with the Polygon data. So far it is working, however if ...
- 21
2
votes
0
answers
498
views
Time series chloropleth in R Shiny / Leaflet
How do you animate a choropleth in RShiny over time using leaflet? I would like to animate the color of choropleths over time in Shiny according to their numeric value.
Below is what I have tried, but ...
- 277
2
votes
1
answer
1k
views
How do I integrate multiple choropleth maps made with Leaflet in Shiny?
I have created three separate choropleth maps in Leaflet, all are across Europe with the same countries being used. Each choropleth map shows a different type of ratio and has two layers for 1999 and ...
1
vote
1
answer
5k
views
How to create a choropleth on a leaflet Map R
Problem
I have loaded in the shapefile of the UK, no issues. Lets call this FILE1.
I also have a data frame file with 2 columns: Longitude, Latitude. lets call this FILE2. I am trying to plot the ...
- 549
1
vote
1
answer
311
views
Matching up data with a list of SpatialPolygonsDataFrame objects to run a choropleth map in leaflet
I'm teaching myself how to use mapping tools in R, and in this case I'm looking to set up a choropleth map of various countries at the respective regional levels based on the results from the mydata ...
- 7,992
1
vote
1
answer
941
views
How can I apply the same colorscale to 2 maps in plotly using R
I have a dataframe from which I want to produce two US state maps, ideally in plotly, but which have the same colorscale. e.g a value of 1.6 would have same color on both maps
library(plotly)
...
- 3,505
1
vote
1
answer
297
views
Plot choropleth from data.frame containing coordinates/zip code and id
I'm analysing real-estate sales for some N. American cities and am using k-means clustering on the data. I have seven clusters and for each observation in the cluster I have the latitude, longitude, ...
- 2,713