As we all know, there are many Python machine learning resources freely available online.Thus I have researched how to easily use Python libraries with Julia.
Here are some examples to explain the correct Calling Pose for the PyCall.
For example, Scikit-learn is a simple and effective tool for data mining and analysis.
Ha, if type PyObject has no field, you can see PyCall question
such as,
in sklearn.
ref:https://github.com/JuliaPy/PyCall.jl
In addition, thanks to June for his unselfish help at the juliacn,
http://discourse.juliacn.com/t/topic/490/2
For the moment , PyCall could make up for the imperfect Julia Machine Learning library.