BsR                     Calculates the base runs estimator
EqA                     Calculates equivalent average
ab_hr                   Calculates at bats per home run
aera                    Calculates adjusted earned run average (ERA+)
ba                      Calculates batting average
baa                     Calculates batting average against
babip                   Calculates batting average on balls in play
bb9                     Calculates bases on balls per nine innings
                        pitched (W/9)
bb_k                    Calculates walk to strikeout ratio (batting)
dice                    Calculates defense-independent component earned
                        run average
era                     Calculates earned run average
erc                     Calculates component earned run average
fip                     Calculates fielding independent pitching
fp                      Calculates fielding percentage
go_ao                   Calculates ground outs-fly outs ratio (GO/AO)
gpa                     Calculates gross production average
h9                      Calculates hits per nine innings pitched
                        (H/9IP)
iso                     Calculates isolated power
k9                      Calculates strikeouts per nine innings pitched
                        (K/9)
k_bb                    Calculates strikeout to walk ratio (pitching)
obp                     Calculates on-base percentage
ops                     Calculates on-base plus slugging
pa_so                   Calculates plate appearances per strikeout
                        (PA/SO)
pafa                    Calculates park factor
pfr                     Calculates power finesse ratio
ra                      Calculates run average
rc                      Calculates runs created
rc2                     Calculates runs created accounting for stolen
                        bases
rc3                     Calculates runs created accounting for all
                        offensive indicators
rfa                     Calculates range factor
risp                    Calculates batting average with runners in
                        scoring position
rp                      Calculates runs produced
sba                     Calculates stolen base attempts
sbsr                    Calculates stolen base success rate
slg                     Calculates slugging percentage
ta                      Calculates total average
tc                      Calculates total chances
tob                     Calculates times on base
vorp                    Calculates value over replacement player
                        (pitching)
whip                    Calculates walks plus hits per innings pitched
                        (WHIP)
wr                      Calculates whiff rate
wra                     Calculates win ratio
xbh                     Calculates extra base hits
