How to pass another entire column as argument to pandas fillna()
I would like to fill missing values in one column with values from another column, using fillna method.
I would like to fill missing values in one column with values from another column, using fillna method.
I cannot find a pandas function (which I had seen before) to substitute the NaN’s in a dataframe with values from another dataframe (assuming a common index which can be specified). Any help?