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**Describe the bug**
After upgrading to the latest pandera I've encountered a `TypeError: object of type 'int' has no len()` in a check that uses `groupby` argument.
#### Code Sample, a copy-pasta…
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**Is your feature request related to a problem? Please describe.**
While working on a pandas to cudf workflow comparison, I noticed that `groupby(...).resample(...)` has not been implemented in cudf …
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**Is your feature request related to a problem? Please describe.**
I would like to do group by mode aggregation.
**Describe the solution you'd like**
```python
import pandas as pd
import nu…
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Hello Vladimir Prus, I read your blog on medium, it was very much interesting, i learned alot from it. By reading so, I was trying to write a custom operator which will derived an extra column ( i.e a…
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### Problem description
- [x] I have checked that a similar issues does not exist.
---
### Problem I'm looking to solve
I have some timeseries data. I'm looking to group this data up into t…
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As of #1358 we now have a nice approximate nunique algorithm. A natural extension of this is to implement `groupby.nunique_approx`.
@mikegraham do you have thoughts on how this could best be imp…
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I want to groupBy an key. And then, hopefully I get an iterator over all the values with the same key (please correct me if I'm wrong here). Then, for each key, I want to apply a function on the itera…
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Doing `DataFrame.groupby(..., observed=False)` currently produces:
```
NotImplementedError: observed parameter is not yet implemented
```
**Additional context**
Not sure if this is already be…
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Hello, i am a new user, i really liked the project.
I am having some problems with the cluster wide metrics that are show on the dashboard:
![image](https://github.com/headlamp-k8s/headlamp/asse…
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It might be nice to be able to compute quantiles after a groupby command, maybe in a syntax similar to this:
```
(
df
.filter(variable="Emissions|CO2")
.compute.groupby("category")
…