Roger Fan questions

Roger Fan answers

• Has the behavior of numpy.in1d changed when passing a set?
• Pandas - merge two DataFrames with Identical Column Names
• Create a list of default objects of a class in Python?
• Create a Dictionary from a Dataframe With the Index as the Keys
• Binning of continuous variables in sklearn ensemble and trees
• How to write the result of a calculation to a file in python?
• How to create multiple histograms on separate graphs with matplotlib?
• Converting a dictionary with lists for values into a dataframe
• counting the unique items in a numpy array: why is scipy.stats.itemfreq so slow?
• How do I convert new data into the PCA components of my training data?