I am using randomForest()
function from package randomForest. I am trying the understand the output given by the function varImp()
of package caret. For few variables it is showing negative values. What does negative value indicate?
Below is the output:
Overall
Year 6.7712260
Month -2.6684553
DOW 2.2681865
City.Group -0.3534247
Type 1.4049568
P1 8.5207072
P2 6.0449333
P3 5.3579060
P4 4.1441309
P5 5.9207454
P6 7.3744485
P7 3.6858546
Thanks in advance!!.