I really liked this visual explanation of pivot and reshape: http://nikgrozev.com/2015/07/01/reshaping-in-pandas-pivot-pivot-table-stack-and-unstack-explained-

I really liked this visual explanation of pivot and reshape: http://nikgrozev.com/2015/07/01/reshaping-in-pandas-pivot-pivot-table-stack-and-unstack-explained-with-pictures/ http://nikgrozev.com/2015/07/01/reshaping-in-pandas-pivot-pi... (I´m not affiliated to site)