How can I create a data frame with all existing variables (at once)?

Question

It may sound trivial and the solution is probably quite simple but I can't figure it out.

I just want to combine all my variables in a data.frame. I wonder if there is a way to do that without choosing them one by one, but instead telling R that I want to use all of the already existing variables?

var1 <- c(1,2)
var2 <- c(3,4)

Instead of doing this

df <- data.frame(var1, var2)

I want to do something like this

df <- data.frame(-ALL_VARIABLES_IN_ENVIRONMENT-)

I've tried ls() (respectively objects()) also in combinatination with unquote() as well as names() but this only gives me a vector with names (undquoted or not) and not the environment's objects.

You can do `do.call(data.frame, mget(ls()))` or `as.data.frame(mget(ls()))`. — Ritchie Sacramento, Jul 01 '21 at 10:48
@27ϕ9: Thanks, that worked pretty well :) The 2nd way is a little bit more intuitve, at least for me. — micsky, Jul 01 '21 at 10:55

score 1 · Accepted Answer · answered Jul 01 '21 at 10:50

1

var1 <- 1:3
var2 <- 1:3

data.frame(sapply(ls(), get))

#   var1 var2
# 1    1    1
# 2    2    2
# 3    3    3

answered Jul 01 '21 at 10:50

heds1

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How can I create a data frame with all existing variables (at once)?

1 Answers1