pascalabcnet/InstallerSamples/MachineLearning/02_DataFrame/df26.pas
Mikhalkovich Stanislav 74f69500fa m.Print - исправлен вывод
DataFrame - Stats, Describe

Примеры на датафрейм
2026-06-21 22:17:43 +03:00

21 lines
405 B
ObjectPascal

uses MLABC;
begin
var text := '''
id,created_at,name
1,15.01.2024,Alice
2,16.01.2024 12:30:00,Bob
3,17.01.2024 09:15:00,Charlie
''';
var df := DataFrame.FromCsvText(text);
var filtered := df.Filter(cur -> cur.DateTime('created_at') >= DateTime.Create(2024, 1, 16));
Println('Исходный DataFrame:');
df.Print;
Println;
Println('Дата >= 16.01.2024:');
filtered.Print;
end.