sammywemmy questions

sammywemmy answers

• Apply function rowwise to pandas dataframe while referencing a column
• Splitting a cell in pandas into multiple rows
• Pandas how to filter dataframe with certain range of numbers in a column of dataframe
• How to transform or melt column in python?
• Merging dataframes based on date range
• Use groupby and aggregate with pandas dataframe on columns *and* index
• case_when function from R to Python
• Multiply two dataframes condition on another column
• np.reshape() with padding if there are not enough elements
• Only keep df column values that contain a string from list of string