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Tag Archives: random sampling
Stratified random sampling in QGIS
In my previous post I described how you can create a random stratified sampling using GRASS GIS. Unlike in GRASS GIS however, QGIS has a dedicated tool to do this. You can find it under ‘research tools’ in ‘Vector’ menu.
Posted in GIS, QGIS, research tools
Tagged ftools, QGIS, random points, random sampling, random stratified sampling, sampling design
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Select random sample from SQLite table
I came across this post by underdark about how to select a random sample from a table in PostgreSQL. You can achieve the same (selecting 1000 random features from a table) in SQLite using something like below:
Posted in Data handling, GIS, Spatialite, SQLite
Tagged QGIS, random sampling, Spatialite, SQL, SQLite
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