Maarten Breddels

Fixes #3100 If this is not cleaned up, we see a lot of stacktraces in the JS console: index.js?v=20220623202309:2 Uncaught (in promise) Error: Resize must be passed a displayed plot...

concatenating many dataframes and reordering with strings might fail if not large_string

3

Related arrow issue: https://issues.apache.org/jira/browse/ARROW-10799 For converting the Gaia data, issue showed up when converting many hdf5 files to one, and sorting it in 1 go. which led to: ```python ~/github/apache/arrow/python/pyarrow/table.pxi...

I think it's too early, but worth a try!

Require rebase after #882 See unittest for usage. Note that I don't think Arrow supports these operations/kernels yet, so the implementations now are more like placeholders, see this as a...

this should speed up CI

Addressses #621

This POC solves several issues: * ALL operations can be recorded in the df.operation members: opening, joining, groupby etc * a dataframe can be serialized better, since it knows completely...

TODO: It's hardcoded to be of Int type

feat: restore dtype for std aggregation

1

@JovanVeljanoski this should improve #448 a lot, I'll leave this for you to test/review.

feat(core): implement nep13 and nep18 to allow sklearn integration

3

This is a WIP on having the vaex dataframe and expressions behave more like 2d and 1d numpy arrays. This allows us to feed sklearn's fit a vaex dataframe, and...