All Questions
378
questions
-2
votes
0
answers
26
views
Mapping Values using modern packages [closed]
I do have two different tables. How can I put radiant_team_name based on radiant_team_id that will be based on team_id from the second table? Thank you!
I tried to do mapvalues function from plyr and ...
- 5
2
votes
1
answer
28
views
Why does mapboxapi return a skewed map with apparently incorrect latitude and misplaced relative to data?
I am trying to create several maps across wide latitudinal extents. I am using the Mapbox maps through mapboxapi in R. I would like to know how to do this correctly so that both the map and the data I ...
- 47
2
votes
1
answer
35
views
Rotating/angle of ggplot key_glpyh, custom legend key glyph
I am trying to emulate a plot style ive seen online, created by Chris Canipe (https://www.axios.com/2017/12/15/the-flow-of-goods-between-states-1513304375). Looking at trade flows, I've managed to ...
- 23
1
vote
2
answers
75
views
Map projections using ggplot
I used Chatgpt to make a plot based on the following:
Using R, I want to create an array with 50x50 grid cells with 10 degrees spacing east-west (x coordinate) and 10 degrees north-south (y ...
- 11
0
votes
1
answer
59
views
Adding Census Tract to a dataframe based on Latitude and Longitude
I have a large dataset, with two of the following columns:
Latitude Longitude
39.18207 -76.53715
39.18207 -76.53715
39.17810 -76.52680
39.17810 -76.52680
39.17810 ...
- 93
0
votes
0
answers
45
views
Color mapping incorrectly from shapefile in ggplot
I have this map with a shapefile I built, intersected with species occurrence data. It's mapping correctly except the coloring is wrong. There should only be 1 point of purple, because that would ...
- 11
0
votes
1
answer
58
views
Adding a grid to a map in R [closed]
So I have the following code which creates a map of species occurrence data. I want to overlay and/or add a grid to the map of Xcm by Xcm which I than can use to say how much of the area has data and ...
- 11
0
votes
0
answers
21
views
ggplot and global bathymetry map, missing axis and reference value for latitude and longitude [duplicate]
I'm using a code to plot the position of vents globally, using bathymetry from getNOAA.bathy and data from InterRidge vents database.
Anyway, my code for the plot is this:
# Plot the map
`...
0
votes
0
answers
36
views
Change point shape by group returns error "Shape aesthetic contains invalid values"
I am building a simple map with 3 points that I want to have different symbols but when I try to change the shape by group manually I get an error about shape aesthetics.
First a map:
library(ggplot2)
...
0
votes
1
answer
50
views
How to send less data to the client with Shiny/leaflet
I'd like to host a page that visualizes a choropleth map at the Census Tract level in the US. I think because of the fidelity of the data necessary, it is probably best to implement this as some kind ...
- 959
0
votes
1
answer
23
views
Map one column's distinct values to the count of those values in a chart
I'm trying to create a chart with x and y.
How can I map one column's distinct values to the count of those values of the same column in a chart.
For example If I have a data like this:
column_name
1
...
0
votes
1
answer
219
views
Why do I get an error of node stack overflow with ggplot2 (R mapping)?
I am approaching map creation on R for the first time, I tried to extract this db, create a subset and plot it with ggplot but it gives me this error:
Error: node stack overflow
In addition: There ...
- 1
0
votes
0
answers
31
views
Mapping county level disease outbreaks in the US, including Alaska, using R
I currently have county level data for amphibian disease outbreaks in the USA which includes events in Alaska. I used the package usmap, and got what I wanted for the lower 48 states but have to find ...
- 13
0
votes
0
answers
52
views
Best option for showing place names on sf/tmap map in R?
I have mapped several locations in Northern Ireland in R. I am using tmap and sf packages for the first time. There are so many locations that the names of the towns are overlapping when looking at ...
- 31
0
votes
1
answer
25
views
Why are my co-ordinates slightly off in my map in R (SF package)?
This is my first time trying to map northing and easting co-ordinates in R using the SF package. The co-ordinates appear to be laid out in the expected shape but they are not sitting on top of the ...
- 31