perturb: Perturb data by adding noise, bootstrapping or mix-up
Description
Perturb data by adding Gaussian noise, bootstrap resampling or mix-up. Gaussian noise has mean 0 and variance 0.01*average variance of all variables. The mix-up lambda is 0.9.
Usage
perturb(data, method = 0)
Value
the perturbed data.
Arguments
data
-- data that will be perturbed.
method
-- adding noise is 0, bootstrapping is 1 and mix-up is 2. Default is adding noise.