I have the following data.frame:
state demvot year
Alabama 84 1932
Arizona 67 1932
Arkansas 86 1932
California 58 1932
*********************************
Alabama 63 1936
Arizona 51 1936
Arkansas 39 1936
California 55 1936
I want to set an index_col assinged as 'year' grouped by year (1932,1936,1940) and an index_row assigned as 'state', grouped by state (Alabama, Arakansas...) and inside the demVote.
An example as follows:
state Alabama Arizona Arkansas California
year
1932 84 67 86 58
1936 70 35 ...
1940
1944
The programming language to be used must be r.