Links as I find them relating to various geospatial coding routines, methods, plotting and data standards. I’ve also included links to a few threads from Stack Exchange relating to useful Q&A. This page will be continually updated.
R online books
NumPy Basics: Arrays and Vectorized Computation < Data processing using arrays section is very useful
Geospatial (various languages)
Geospatial related analyses
[Scipy image analysis tutorial](http://www.scipy-lectures.org/advanced/image_processing/