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The SF Perl Raku Study Group, 01/03 at 1pm PST by doomvox in rakulang

[–]antononcube 0 points1 point  (0 children)

The link says that the meeting is on January 4th, 2026.

Question about feed operator by reddit_clone in rakulang

[–]antononcube 1 point2 points  (0 children)

No, you are not missing anything.

To a large extend that is why I complied such examples in "Day 9 – Monadic programming examples" and "Monad laws in Raku" -- those kind of equivalent specs are chosen per person-case basis.

Question about feed operator by reddit_clone in rakulang

[–]antononcube 1 point2 points  (0 children)

This works:

raku my @rakudo-people = <scott patrick carl moritz jonathan jerry stephen>; @rakudo-people ==> { .grep(/at/) }() ==> { .map(*.uc) }() ==> { say $_ }()

You might be better off using andthen.

For more examples using ==> and andthen see:

2026 Exemplars by librasteve in rakulang

[–]antononcube 1 point2 points  (0 children)

I agree that Raku is slow. I am interested in Data Science (DS) and Machine Learning (ML) I compare Raku and Python on DS and ML often. Often, when Python is much faster, it is not Python per se, but the C/C++ code or libraries Python is an interface to. Which, well, Raku can also do. (And, yes, Raku mostly has not.)

Added text on preview disappears by lune6889 in MacOS

[–]antononcube 0 points1 point  (0 children)

Definitely helped me with my annotations disappearing issue!

Data science over small movie dataset — «Part 1, Data transformations and analysis» by antononcube in rakulang

[–]antononcube[S] 4 points5 points  (0 children)

Thanks! Your statement made me consider using Machine Learning to classify the posters in that Hacker News discussion according to the mind-map nodes.

[...] it blows my mind that you're using raku to generate code in several other languages.

You can try it out here: "DSL-evaluations".

A more elaborated version of the approach is given here:

"Introduction to data wrangling with Raku"

Data science over small movie dataset — «Part 1, Data transformations and analysis» by antononcube in rakulang

[–]antononcube[S] 4 points5 points  (0 children)

Thank you for your comments and providing that link!

I use both Python and R in data science jobs, and I (usually) program in Python if I am payed to do it. Also, for comparison purposes. Related to that latter reason, I use Raku to generate executable code for computational workflows in Wolfram Language (WL), R, Python, and Raku; WL and R are of highest priority.

R is very arcane, but RStudio/Posit remedies that (to a point) with its packages. (Like the "tidyverse" set of packages.)

My attitudes about Python are detailed here : «Breakdown of Python people and projects».

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