I have a dataframe like the following:
State Name | County Name | Value |
---|---|---|
Idaho | Ada | 20 |
Idaho | Ada | 50 |
Pennsylvania | Adams | 70 |
Colorado | Adams | 25 |
Pennsylvania | Adams | 21 |
Illinois | Adams | 45 |
Illinois | Madison | 45 |
Illinois | Madison | 75 |
Then average the rows with similar State and County name such that the dataframe becomes this:
State Name | County Name | Mean |
---|---|---|
Idaho | Ada | 12.5 |
Pennsylvania | Adams | 55.47 |
Colorado | Adams | 47.2 |
Illinois | Adams | 19.5 |
Illinois | Madison | 75.14 |
Any kind of help is appreciated.