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Regression documentation

Issue #79 (closed) introduce regression in Iota2. A first version of the documentation is available at https://docs.iota2.net/issue79/i2_regression_tutorial.html.

It's made of two parts:

  • Documentation: explains how regression works, the available features, sample config files
  • Tutorial: provide sample data and guides the user for using Iota2 regression builder

@mfauvel will provide feedback on the documentation part.

For the tutorial part, the idea is to predict the value of NDVI for one date using regression.

  • use Iota2 to sample points and compute NDVI
  • select only one ndvi date
  • divide these values by 1000
  • apply a buffer around the points to get polygons suitable for Iota2 input

I put my shapefile here: https://docs.iota2.net/issue79/data/

Once this data is ready, it can be included in the tutorial archive IOTA2_TEST_S2.tar.bz2.