Compute the RAA values for all of the fielders. Used internally in makeWAR.
makeWARFielding(data, ...)A GameDayPlays object
currently ignored
A data.frame with 12 columns: p.hat contains the probability that any fielder makes an out given the location
of the ball in play; delta.field is the total delta assigned to all of the fielders; columns 3 through 11
contains the delta values for each od the 9 fielders (i.e. these columns sum to delta.field); venueId contains information about
the stadium that the plate appearance took place in.