Instructions: Each question may have any number of correct choices. Clearly mark (tick)

all choices you believe to be correct (1 mark for each correct choice, −0.5 for each incorrect

choice).

You are training an RBF SVM with the following parameters: C (slack penalty) and γ = 1/2σ

2

(where

σ

2

is the variance of the RBF kernel). How should you tweak the parameters to reduce overfitting?