Sorting by index values
Previously, you changed the order of the rows in a DataFrame by calling .sort_values()
. It's also useful to be able to sort by elements in the index. For this, you need to use .sort_index()
.
pandas
is loaded as pd
. temperatures_ind
has a multi-level index of country
and city
, and is available.
This exercise is part of the course
Data Manipulation with pandas
Exercise instructions
- Sort
temperatures_ind
by the index values. - Sort
temperatures_ind
by the index values at the"city"
level. - Sort
temperatures_ind
by ascending country then descending city.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Sort temperatures_ind by index values
print(____)
# Sort temperatures_ind by index values at the city level
print(____)
# Sort temperatures_ind by country then descending city
print(____)