19 lines
663 B
ObjectPascal
19 lines
663 B
ObjectPascal
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uses MLABC;
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begin
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var df := DataFrame.FromCsvText('''
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product,count,price
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milk,2,120
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bread,1,55
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milk,3,118
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tea,1,340
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coffee,2,260
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''');
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Println('Средний чек по строке:', df.Mean(r -> r['count'] * r['price']):0:2);
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Println('Медианный чек по строке:', df.Median(r -> r['count'] * r['price']):0:2);
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Println('Минимальный чек по строке:', df.Min(r -> r['count'] * r['price']):0:2);
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Println('Максимальный чек по строке:', df.Max(r -> r['count'] * r['price']):0:2);
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Println('Стандартное отклонение:', df.Std(r -> r['count'] * r['price']):0:2);
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end.
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