# Operations on dataframe

**URL:** <https://discuss.ocaml.org/t/operations-on-dataframe/11525>\
**Category:** Learning\
**Tags:** datastructures\
**Created:** [February 27, 2023, 11:45am UTC](https://discuss.ocaml.org/t/operations-on-dataframe/11525 "2023-02-27T11:45:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![garulfogb](https://sea2.discourse-cdn.com/flex020/user_avatar/discuss.ocaml.org/garulfogb/32/4258_2.png) [@garulfogb](https://discuss.ocaml.org/u/garulfogb)\
**Post date:** [February 27, 2023, 11:45am UTC](https://discuss.ocaml.org/t/operations-on-dataframe/11525/1 "2023-02-27T11:45:18Z")

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Hi,

What is the prefered library or « ocaml way » to build and reshape dataframes like : [Reshaping and pivot tables — pandas 1.5.3 documentation](https://pandas.pydata.org/docs/user_guide/reshaping.html#reshaping-melt)

Any good starting point is welcome.  
Thanks

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<div class="post-metadata">

**Author:** ![thangngoc89](https://sea2.discourse-cdn.com/flex020/user_avatar/discuss.ocaml.org/thangngoc89/32/673_2.png) [@thangngoc89](https://discuss.ocaml.org/u/thangngoc89)\
**Post date:** [February 27, 2023, 1:58pm UTC](https://discuss.ocaml.org/t/operations-on-dataframe/11525/2 "2023-02-27T13:58:35Z")

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Do you know about [Owl](https://ocaml.xyz/) ? It’s an umbrella project for data science processing.