Frequency of Presences and Absences According to Land Cover, Terrain Type and Landscape Region
This function has been used 60 times.
The learning cases must be in three columns: Lambert-Est coordinates in the first two columns and
1 (presence site) or 0 (absent site) in the last.
Each case must be in a separate row, column separator can be either space, tab or semicolon, decimal separator can be either point or comma.
Lines beginning with a character are excluded.