Q52
Which of the following finds row sums for each level of a grouping variable?
A.
rowSums (x, na.rm = FALSE, dims = 1)
B.
colMeans(x, na.rm = FALSE, dims = 1)
C.
rowMeans(x, na.rm = FALSE, dims = 1)
AnswerD.
rowsum(x, group, reorder = TRUE, ...)
Answer: Option C
Solution
Answer: Option C
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