Haifeng Li

BTW, we calculate AUC by our own implantation (https://github.com/haifengl/smile/blob/master/core/src/main/java/smile/validation/AUC.java), which is based on Mann-Whitney U test. I am not sure if it is same as yours. If you want, I...

We add `smile.data.SQL` for database management that supports join. The query/join result will be return as `DataFrame`. See [SQLTest](https://github.com/haifengl/smile/blob/master/base/src/test/java/smile/data/SQLTest.java) for examples.

Will do

There are many dependency class of `double[]`. I am research a systematic way to support different precisions, which is not easy on Java.

It is not a bug. As the message states, upgmc is not appropriate on your data. Please try other linkages.

Any progress on this? Any plan to support `torch.distributed`? Thanks!

Sounds good. Will do.

It seems work. I will further check if the computation result is correct. Thanks! I would suggest changing the API to `LongPointer` instead of `LongOptional`. In fact, Conv2dImpl's `kernel` parameter...

Thanks for reporting. But I cannot reproduce the issue. Here is the output of your code in jshell: ``` jshell> smile.regression.RandomForest model = smile.regression.RandomForest.fit(formula, data, 100, 3, 20, 10, 3,...

There are several algorithms to handle missing values in package `smile.feature.imputation`. `SimpleImputer` may be used to fill a fixed value. I would suggest trying other advanced algorithms in the package...