Column Picker#
An extractor that wraps another iterator and selects and reorders the columns of the data table according to the keys specified by the user. The key of a column may either be a string or a column number (integer) depending on the way the columns are indexed in the base iterator.
Interfaces: Extractor
Parameters#
| # | Name | Default | Type | Description |
|---|---|---|---|---|
| 1 | iterator | Traversable | The base iterator. | |
| 2 | keys | array | The string and/or integer keys of the columns to pick and reorder from the table |
Example#
use Rubix\ML\Extractors\ColumnPicker;
use Rubix\ML\Extractors\CSV;
$extractor = new ColumnPicker(new CSV('example.csv', true), [
'attitude', 'texture', 'class', 'rating',
]);
Additional Methods#
This extractor does not have any additional methods.
Last update:
2021-03-27