Which Of The Following Finds Row Sums For Each Level Of A #641
Which of the following finds row sums for each level of a grouping variable?
This multiple choice question (MCQ) is related to the book/course
gs gs110 R Language.
It can also be found in
gs gs110 Commands, Packages, Visualizing Data and Linear Regression - Commands - Quiz No.3.
Which of the following finds row sums for each level of a grouping variable?
rowSums (x, na.rm = FALSE, dims = 1)
colMeans(x, na.rm = FALSE, dims = 1)
rowMeans(x, na.rm = FALSE, dims = 1)
rowsum(x, group, reorder = TRUE, …)
