How to split data into training/testing sets using sample function

Question

I\'ve just started using R and I\'m not sure how to incorporate my dataset with the following sample code:

sample(x, size, replace = FALSE, prob = NULL)
         


        

Answer 1

I bumped into this one, it can help too.

set.seed(12)
data = Sonar[sample(nrow(Sonar)),]#reshufles the data
bound = floor(0.7 * nrow(data))
df_train = data[1:bound,]
df_test = data[(bound+1):nrow(data),]