Reading large data tables in R

May 2, 2014
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(This article was first published on Fabio Marroni's Blog » R, and kindly contributed to R-bloggers)

Ok, I confess.

Until yesterday I was one of those still trying to read large data tables using read.table.

Then, I came across this thread in stackoverflow and I saw the light.

Since I noticed that a lot of people still struggle with read.table I decided to write this very brief post.

Imagine that you have your large file named “mylargefile.txt”. Then all you have to do is the following.

library(data.table)
mydata<-fread("mylargefile.txt")

I promise I’ll never go back to read.table again!

To leave a comment for the author, please follow the link and comment on their blog: Fabio Marroni's Blog » R.

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