Continuing with the 'iris' dataset from the previous Question, what R code returns a vector of the means of the variables 'Sepal. Length', 'Sepal. Width', 'Petal. Length', and 'Petal. Width'? a) apply(iris[, 1:4], 1, mean)
b) apply (iris [, 1: 4], 2, mean) ✔ The main problem is the use of function apply, refer to the previous article apply usage functions:Language
c) interpretation function of circulation loop
d) apply(iris, 1, mean)
e) colMeans(iris)
f) apply(iris, 2, mean)
g) rowMeans(iris[, 1:4])