Creating new dataset

Hello!

I'm trying to make a new dataset with only the values of the ''Merc'' . Because this column does not have a name, I don not know how I will get this data set

image

mtcars[grep("^Merc", rownames(mtcars)),]

Yes thank you! This was exactly what I was looking for

if you are using tidyverse you can also do

mtcars %>% add_rownames(var = "cars")

then the rownames will become a definite column like any other (with my choice of the name 'cars')

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