Reformat stacked data to unstacked data and reformat unstacked data to stacked data.

$\backslash$table$[[$Day$,$Shift,Variety,# Cases$],[$Monday$,1,$Draught,$1,492],[$Monday$,1,$Nitro,$1,526],[$Monday$,1,$Extra Stout,$1,619],[$Monday$,1,0,642],[$Monday$,2,$Draught,$1,620],[$Monday$,2,$Nitro,$1,066],[$Monday$,2,$Extra Stout,$1,776],[$Monday$,2,0,420],[$Monday$,3,$Draught,$1,803],[$Monday$,3,$Nitro,$1,645],[$Monday$,3,$Extra Stout,$1,715],[$Monday$,3,0,300],[$Tuesday$,1,$Draught,$1,565]]$

What kind of data is this?