Lynn questions

• Group_by, and create new column with duration
• Plot the sum of a single column in R
• Rename duplicate column name by order in Pandas
• Is there a way to find the time difference within a single datetime column, grouped by ID?
• Insert CSV file to already existing table within SQL Server
• Replace and duplicate string with a specific max count in pandas
• Reverse row and column transformation within Python
• Is there a way to keep rows with a specific condition, and remove others if this condition is not met?
• Tricky conversion of field names to values while performing row by row de-aggregation (using Pandas)
• Round values in column from floats to ints using Python

Lynn answers