Looking at the correlation of xG with points by type (for, against, difference, set-piece, non set-piece & overall).
Highest correlated stats R² >0.3 are:
xGD Overall (0.46)
xGA Overall (0.44)
xGD Set-Piece (0.37)
The worst correlation is non set-piece xG for (R²=0.07)
*small sample size warning*
3 months ago