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There is an element of pilot error on my part, BUT... I seem to have damaged a H2O DataFrame from my error. When I correct the problem, the DF isn't damaged, but it doesn't seem to do the right thin…
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from_json: when input is a bad json string, rapids would throw an exception.
## Repro:
CPU:
```
scala> import org.apache.spark.sql.types.{IntegerType, StructType, StructField}
scala> val bad…
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Seems like it would be nice to just support formats available via format Strings that `String.format()` uses.
Note that existing support for date/time values use different formatting; this should be f…
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At the moment, we have a decent set of functionality to work with in-memory vector data cubes. What we do not have is a way of saving them to a disk and reading back again, apart from using `pickle` w…
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q:
https://www.zhihu.com/question/534646046
https://www.zhihu.com/question/534707921
https://www.zhihu.com/question/35944286
https://www.zhihu.com/question/534453087
https://www.zhihu.…
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This issue is to maintain all features request on one page.
Note to **contributors**: If you want to work for a requested feature, re-open the linked issue. Everyone is welcome to work on any of the …
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The code is failing with the following error: Issue is with ordering but unable to figure out why the comparer isn't sorting the rows before compare.
```
Exception in thread "main" com.github.mrpo…
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Hi Everyone,
I have a vested interest in increasing Koala's maintainability. My project FlyingKoala relies on Koala and I am trying to start a business off the back of it. Some of changes to Koala …
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Hi,
I am trying to port my ML pipeline so I can use LightGBM instead of the PySpark GBT. I have been able to design a Pipeline with a LightGBM as final estimator. Once trained, I save the PipelineM…