Is there a way to do named subsetting with rowSums in R?

Question

I used this question and answer to get what I want (how to compute rowsums using tidyverse), but I was wondering if there was a way to do named subsetting with rowSums. I can imagine an instance where I have a lot of variables where this would be desirable.

What I mean is something like this:

rosSums(iris, Sepal.Length, Sepal.Width)

Instead of:

rowSums(iris[1:2])

Thanks for any help in advance!

or if you are trying to index columns like 1:2 `rowSums(iris[,c(grep("Sepal.Length",colnames(iris)):grep("Sepal.Width",colnames(iris)))])` — AndS., Aug 08 '18 at 12:05

score 1 · Accepted Answer · answered Aug 08 '18 at 11:57

1

using dplyr you could simply do.

iris %>% mutate(Sepal.Length + Sepal.Width)

answered Aug 08 '18 at 11:57

Adam Wheeler

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Is there a way to do named subsetting with rowSums in R?

1 Answers1