If I have a matrix:
如果我有一个矩阵:
mod_xgb_softprob$pred[1:3,1:3]
[,1] [,2] [,3]
[1,] 6.781361e-04 6.781361e-04 6.781422e-04
[2,] 2.022457e-07 2.022457e-07 4.051039e-07
[3,] 6.714367e-04 6.714367e-04 6.714399e-04
mod_xgb_softp
