Merging on two or more keys
You want to combine data for the plays occurring in each game. You have two data frames with different aspects of the plays. The frames are called play_times
and play_yards
.
The first 10 rows of each frame appear in your console. It looks like both frames use GameId
and PlayId
together to identify unique plays.
Este exercício faz parte do curso
Pandas Joins for Spreadsheet Users
Instruções do exercício
- Merge the data frames using the appropriate key column(s).
- Check for duplicated key values using the
.duplicated()
and.sum()
methods.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Merge data frames
plays = ____(play_times, ____, on=[____, ____])
# Check for duplicated values in key columns
plays.____(['GameId', 'PlayId']).____()