DATAFRAMES - nireeshach/python_training GitHub Wiki
to insert new column into csv using dataframes at particular index data.insert(loc=h + 1, column=similarity_col, value=emp_list)
to get column number or index number of a particular column h = data.columns.get_loc(z)
https://stackoverflow.com/questions/13021654/get-column-index-from-column-name-in-python-pandas
http://www.datasciencemadesimple.com/get-unique-values-rows-dataframe-python-pandas/
to get columns start with or contains a string
spike_cols = [col for col in df.columns if 'spike' in col]
to convert dataframe records to dictionary
predicted_df.to_dict("records")
to drop particular list of columns col = [col1,col3..] df.drop(col, axis=1, inplace=Ture)