haimen questions

• Long to wide format for multiple column in python
• Cumulative sum after 64 in R(Conditional Cumulative sum)
• Restarting with stat when trying dash app
• Substitute previous row value if value equal to 0 in R
• Remove duplicates with few columns and sum the other columns
• Finding count of NA values for combination of columns in R
• summarize in dplyr with the maximum value of the date - R
• Remove Unicode characters while querying in Hive
• Group by ID and filter only the group that has maximum mean
• Assign value to a pandas dataframe column based on string condition

haimen answers