diff {MachineShop} | R Documentation |
Pairwise model differences in resampled performance metrics.
## S3 method for class 'MLModel' diff(x, ...) ## S3 method for class 'Performance' diff(x, ...) ## S3 method for class 'Resamples' diff(x, ...)
x |
model performance or resample result. |
... |
arguments passed to other methods. |
PerformanceDiff
class object that inherits from
Performance
.
## Requires prior installation of suggested package gbm to run ## Survival response example library(survival) fo <- Surv(time, status) ~ . control <- CVControl() gbm_res1 <- resample(fo, data = veteran, GBMModel(n.trees = 25), control) gbm_res2 <- resample(fo, data = veteran, GBMModel(n.trees = 50), control) gbm_res3 <- resample(fo, data = veteran, GBMModel(n.trees = 100), control) res <- c(GBM1 = gbm_res1, GBM2 = gbm_res2, GBM3 = gbm_res3) res_diff <- diff(res) summary(res_diff) plot(res_diff)