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. The input cases can be from whatever place in Estonia, the output map is calculated for the indicated map sheet. The proportion of presence sites among the learning records is calculated per each combination of the categories.