All Questions
5 questions
3
votes
3
answers
971
views
Counting and merging features based on attribute field in QGIS
I have a shapefile with a number of features, each with a field called "region". I want to count the number of features corresponding to each region. Outputting a shapefile with one feature ...
- 199
1
vote
1
answer
950
views
Group by variable and create layers from that in QGIS [duplicate]
I have a large shapefile with one layer with several variables. The shapefile has US block groups that I'll use for analysis. However, as I want to use this for leaflet, I would like to create ...
- 131
1
vote
2
answers
99
views
Selecting features from grouped shapefile
I have downloaded some glacier outlines from the GLIMS database (http://www.glims.org/maps/glims) as a SHP file.
This contains multi-temporal data, that is, more than one outline per glacier (more ...
- 111
5
votes
1
answer
1k
views
Grouping GeoDataFrame by column while comparing feature area and adding values to new column with GeoPandas
I have these columns: "index", "area_of_poly", "cad_admin" in my GeoDataFrame, the dataset is available here: http://www.mediafire.com/file/x4q5k7xuztq6o3w/p.zip.
Now, I ...
- 463
1
vote
0
answers
86
views
How to group different values of a variable so that they plot with same shape?
I have a table with two columns of number X and Y, and one column of strings called crystals.
crystals
A
A
B
C
B
D
B
C
Using ggplot2, how can I make a scatter plot of X versus Y with two ...
