Could you add some dataframe methods, like group_by duplicate

[fly-studio]

It'a good collection like laravel's collect Could you add these method for dataframe:

• group_by
• duplicate, duplicatesStrict, duplicateComparator
• key_by
• keys, values
• mode
• only, except
• flip
• pad
• combine
• union concat
• has
• random shuffle
• search
• split, chunk
• sort by key, value
• mapToDictionary, mapWithKeys
• intersect, intersectByKeys
• diffUsing == udiff
• diffAssoc, diffKeys, diffAssocUsing, diffKeysUsing
• median
• crossJoin join

[liquidgenius]

Not knowing Laravel, could you give more detailed descriptions as to what each of these returns?