Pandas rolling apply return multiple values

1. How to return multiple values from apply pandas?
2. Can a apply function return a DataFrame?
3. What does rolling return in pandas?

How to return multiple values from apply pandas?

Return Multiple Columns from pandas apply()

You can return a Series from the apply() function that contains the new data. pass axis=1 to the apply() function which applies the function multiply to each row of the DataFrame, Returns a series of multiple columns from pandas apply() function.

Can a apply function return a DataFrame?

The apply() function returns a new DataFrame object after applying the function to its elements.

What does rolling return in pandas?

Introduction to Pandas rolling() function

mean() will return the average value, sum() will return the total value, min() will return the minimum value and max() will return the maximum value in the given size of rolling window.