Does it support feature engineering processing of sklearn? For example, fill in the missing values, encode the category features with one hot, and so on

[gp1322719830]

Does it support feature engineering processing of sklearn? For example, fill in the missing values, encode the category features with one hot, and so on.

[xadupre]

Most of the model are supported. The whole list is available in the documentation: http://onnx.ai/sklearn-onnx/supported.html. Only sparse is not supported yet.