I am using ArcMap and the Spatial Analyst extension.
I am trying to find a correlation between my raster datasets. For example, for Net Primary Production (NPP) model I used too many input datasets such as solar radiation, soil, NDVI, etc... So I wanted to find which dataset represents the result NPP map most.
I tried to convert them to ASCII format so that I can analyze them in statistical software like SPSS but when I convert it, the output data .txt size became 1.3 GB which is pretty big for a text file. So I couldn't open it with or without any kind of big text file reader software.
Do you have any ideas about it?