Warning! It seems that you are using Dodona within another webpage, so not everything may work properly. Let your teacher know so that he can solve the problem by adjusting a setting in the learning environment. In the meantime, you can click this link to open Dodona in a new window.
Warning! The page was not fully loaded, probably because of a network issue. It could be that not all functionalities work as expected. Please try reloading the page.
R exercise
Abalone add variables
Sign in to hand in your solution and get feedback.
abalone <- read.csv("Abalone.csv")
weights <- subset(abalone, select = c("gender",
colnames(abalone)[grep("weight", colnames(abalone))])
)