CODEWITHSUNDEEP
r
Leonhardt Guass
Leonhardt Guass

Reputation: 793

append a large number of data.frame in R

I have some unknown number of data frames that need to be glued together into a long single data frame.

set.seed(0)
N <- floor(rnorm(1,100,2))

for(i in 1:N){
  assign(paste('X', i, sep=''), data.frame(O=rnorm(1,100,2)))
}

Now I want to make a data frame with N rows and 1 column by combine the data frames X1 - XN together.

How can I do that?

EDIT:

Following Roland suggestions I switched to list:

set.seed(0)
N <- floor(rnorm(1,100,2))


XP <- list()

for(i in 1:N){
  XP[[i]] <- data.frame(O=rnorm(1,100,2))
}

I am still not sure about the next step..

Upvotes: 1

Views: 175

Answers (1)

maRtin
maRtin

Reputation: 6516

As I already said in the comments, you can use do.call which works perfectly with the list approach from @Roland.

do.call(rbind,XP)

Upvotes: 3

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