Small corrections in excercies code.
-rw-r--r-- 40 .gitignore
drwxr-xr-x - 2017-08_GEOSTAT_machine-learning
drwxr-xr-x - 2018_05-ISRIC_DSM-spring-school_machine-learning
drwxr-xr-x - 2019-09_OpenGeoHub_machine-learning