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Re: Baby steps to create a dataframe structure

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Warren Pang
July 22, 2020 01:00
Re: Baby steps to create a dataframe structure
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I have the same feeling. Perl5 has PDL which we have been using for data
analysis. While Raku seems to lack this.


On Wed, Jul 22, 2020 at 7:42 AM Aureliano Guedes <>

> Hi all,
> I'd like to learn Raku deep enough to build a data structure. I have
> experience with Perl5, Python, R, and even C/C++, then I get boring
> feelings to learn something new from the beginning. Also, I prefer learning
> a new language by applying f to something.
> Since I work with data analysis and data science, I'd like to try to
> develop a data structure to dataframe in pure Raku. And if I do a basic but
> useful thing capable to load a field delimited file (as CSV or TSV) into a
> dataframe, I'll transform in a package and upload it to GitHub to
> comparatively enhance the package.
> What I need is suggestions for how do I start it.
> - How I define a data structure: an array of arrays?
> - Given the raku itself (and maybe some already existing packages) what
> the structures and functions I may use.
> I got these ideas to start:
> The dataframe should support columns name to be called as:
> df.column1
> and it should return a list of values on this column.
> Also, when it read the delim file it should check each column type.
> All suggestions are welcome.
> --
> Aureliano Guedes
> skype: aureliano.guedes
> contato:  (11) 94292-6110
> whatsapp +5511942926110

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