// Describe одного столбца
uses DataFrameABC;

begin
  var df := DataFrame.FromCsvText('''
  name,age,score
  Alice,20,85
  Bob,22,90
  Charlie,21,78
  Bob,22,90
  Clara,,78
  Kat,21,NA
  ''');
  
  var d := df.Describe('score');
  Print(d.Count,d.Min,d.Max,d.Mean,d.Std);
end.