Marco Edward Gorelli

Results 157 issues of Marco Edward Gorelli

Currently, we have one complete example in which we create a standard scaler: https://narwhals-dev.github.io/narwhals/basics/complete_example/ It would be nice to add a second example, in which we make a plot of...

documentation
good first issue

We currently have `IntoDataFrame`, meaning "something which can be converted to a narwhals DataFrame". We should have the same for Series

good first issue
typing

Here's the project: https://github.com/fairlearn/fairlearn I'd be curious to see if it could be Narwhalified **Important note**: please do **not** make any PRs to fairlearn itself. This is just intended as...

user research

in pandas this does something really strange ```python In [3]: pd.to_datetime(['2020', None]).astype('int64') Out[3]: Index([1577836800000000000, -9223372036854775808], dtype='int64') ``` Users shouldn't be relying on phyisical representations anyway, we should nudge them towards...

error reporting

https://docs.pola.rs/py-polars/html/reference/expressions/api/polars.when.html

enhancement

### Modin version checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the latest released version...

bug 🦗
Triage 🩹

## Prework - [x] Read and agree to the [code of conduct](https://www.contributor-covenant.org/version/2/1/code_of_conduct/) and [contributing guidelines](https://github.com/posit-dev/great_tables/blob/main/.github/CONTRIBUTING.md). - [x] If there is [already a relevant issue](https://github.com/posit-dev/great_tables/issues), whether open or closed, comment on...

Type: ☹︎ Bug

Some results: https://www.kaggle.com/code/marcogorelli/m5-forecasting-feature-engineering-benchmark

The [M5 Forecasting Competition](https://www.sciencedirect.com/science/article/pii/S0169207021001874) was held on Kaggle in 2020, and top solutions generally featured a lot of heavy feature engineering Doing that feature engineering in pandas was quite slow,...

Setting the name in the result of a polars plugin has no effect, because Polars just follows the left-hand-rule (or whichever alias the user passes) is this mentioned in the...

documentation