inst/examples/analyze_training-example.R

In citoverse/cito: Building and Training Neural Networks

\donttest{
if(torch::torch_is_installed()){
library(cito)
set.seed(222)
validation_set<- sample(c(1:nrow(datasets::iris)),25)

# Build and train  Network
nn.fit<- dnn(Sepal.Length~., data = datasets::iris[-validation_set,],validation = 0.1)

# show zoomable plot of training and validation losses
analyze_training(nn.fit)

# Use model on validation set
predictions <- predict(nn.fit, iris[validation_set,])

# Scatterplot
plot(iris[validation_set,]$Sepal.Length,predictions)
}
}