Converts an Excel file, given in 'csv' (comma-separated values) format, into a numerical matrix.
Column 'kol' is given just for a supplementary confirmative analysis. The column data are handled to produce a histogram.
Data are accepted in (coherent) ", ;" ("European") style or ". ," ("American") style.
• Google "microsoft excel file formats"
• Wikipedia "Comma-separated values".
• 1841-01-06: Sturm, Friderich Otto Rudolph (1919-04-12).