1
vote
1answer
42 views

How to “lower the resolution” of a lat long csv

I have a csv with 12.5 million date/lat/long/value points, it's a point every 800 meters ( in a grid ) of the united states what's the best way to convert the points to every 1600 meters? or 3200? ...
0
votes
1answer
29 views

Raw State Data on Health and Social Outcomes

I am looking for raw health and social outcome data (poverty, obesity, education levels, etc.) by state. I would like to download it as a csv or excel file. It needs to have the state fips listed in ...
1
vote
1answer
1k views

How to add X/Y data from Excel file (saved as CSV) on shapefile? [duplicate]

I need to add my X/Y coordinate data as points from my Excel I need help with adding points (using X/Y coordinates). Can anyone help? import arcpy from arcpy import env env.workspace = ...
5
votes
1answer
92 views

Is there a free dataset of historical geocoordinates of ancient cities and places?

Is there a freely available dataset (csv, geojson, topojson, etc.) with geocoordinates of ancient cities, for example of the Roman Empire? Ideally with additional information like population size? ...
0
votes
1answer
83 views

Why is the CSVT file changing my real values to null?

I made a CSVT file to change desired real data to string data. After importing the original CSV file, that was linked by file name to the CSVT file, the string data appears as normal however all the ...
0
votes
2answers
246 views

Why is QGIS reading in my CSV numeric data as string data, and how do I change it? [duplicate]

QGIS keeps reading in my numeric data from .csv files as string data. This means I have to figure out how to read it in with the proper data type, or convert it back to numeric inside of QGIS, ...
4
votes
2answers
384 views

Where can I find GeoJSON resources files?

I'm looking for demographic information and various things, and most of the time data are available as CSV (my application use geoJSON format). Shall I encode the CSV to geoJSON or is there a ...