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DataFrame in Pharo - tabular data structures for data analysis

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This method requires pharo-ai to be loaded into the image Which is strange because DataFrame should not depend on AI So we need to check, maybe it's the method that...

Difficulty: Medium
to be discussed
Novi Sad

Currently, we don't support multiColumn sorting. For example let's use this data as example: https://www.kaggle.com/datasets/prashant111/the-simpsons-dataset?resource=download I have this DataFrame that I want to sort by season and by episode ![Capture...

new feature
api
Difficulty: Medium
GSoC

``` ds:= DataSeries withKeys: #(1 2 3 4) values:#(1 10 2 3) name:2 . ds1:= DataSeries withKeys: #(1 2 3 4) values:#(1.0001 10 2 3) name:2 . ds closeTo: ds1....

tests
Difficulty: Easy
Novi Sad

Currently the nil values in DataFrame are UndefinedObject instance. We would like to replace them by something like DataNaN that could do computations. For example: NaN - 5 => NaN...

new feature
Difficulty: Medium
to be discussed
Novi Sad

DataFrame has a dependency on DataFrame-Math but this is not declared in the baseline. We could declare it in the baseline but I think it is better to just merge...

bug
question
baseline
Difficulty: Easy
Novi Sad

(Edited) It would be nice to have some examples of how to get start in the README file. Also a quick getting started code snippet. And give a pass to...

Please, check my changes to the Baseline. Seems like loading both with & without SQLite works even on P13 - Although SQLite on P13 requires small changes to the baseline...