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.


# Param Default Type Description
1 iterator Traversable The base iterator.
2 keys array The string and/or integer keys of the columns to extract and reorder.


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.