pascalabcnet/InstallerSamples/MachineLearning/03_Preprocessing/10_DateTimeComponentsEncoder.pas

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uses MLABC;
begin
var df := DataFrame.FromCsvText('''
id,created_at,name
1,15.01.2024 10:20:30,Alice
2,16.02.2024 12:30:00,Bob
3,17.03.2025 09:15:45,Charlie
''');
var enc1 := new DateTimeComponentsEncoder('created_at');
var df1 := enc1.FitTransform(df);
Println('Стандартные компоненты:');
df1.Print;
Println;
var enc2 := new DateTimeComponentsEncoder('created_at', [dpYear, dpMonth, dpDay, dpHour]);
var df2 := enc2.FitTransform(df);
Println('Пользовательский набор компонент:');
df2.Print;
end.