all data is taken online, but also can be downloaded from https://doi.org/10.5281/zenodo.7367872
01:00 - direct and inverse linear proportionality
02:06 - example of re-scaling linearly a factor to fit a 0 to 1 suitability scale
02:35 - formula for normalizing to a standard 0 to 1
04:40 - Normalization process of each raster
05:20 - normalize rasters using SAGA in QGIS
07:10 - BATCH PROCESSING 
08:10 - BATCH PROCESSING - autofill rasters to be processed
09:10 - BATCH PROCESSING - autofill raster OUTPUT using expression editor and SQL syntax
10:50 - BATCH PROCESSING - expression for string concatenation for output path and name of raster
12:35 - BATCH PROCESSING - expression for string concatenation - NB special character '\' effect on path string
16:00 - add normalized rasters to a layer group in QGIS
17:10 - raster calculator to combine the 6 factors with WEIGHTS - why do we use 0.16666...?
20:50 - inverse proportion factors
22:40 - final expression
23:20 - final suitability map styling 
26:50 - how to weight distance from rivers MORE than the rest (example)