CODEWITHSUNDEEP
rjoindataframe
Alex
Alex

Reputation: 151

join columns of data frame into one

I have a data frame with multiple columns, such as the example: 

          V1         V2         V3         V4
1 1234567890 1234567890 1234567890 1234567890

I want to join all columns into one. The number of columns in the dataframe can vary, is there any way to make a union without having to subsets?

In this case, I want to have this result: 

TAGS_LIST 
1234567890 
1234567890 
1234567890 
1234567890

Upvotes: 0

Views: 84

Answers (1)

Rich Scriven
Rich Scriven

Reputation: 99341

You can simply transpose the data frame. This will coerce it to class "matrix".
However, we can re-class it by wrapping the transposition with data.frame.

> d
          V1         V2         V3         V4
1 1234567890 1234567890 1234567890 1234567890

> d2 <- data.frame(t(d))
> names(d2) <- "TAGS_LIST"
> d2
    TAGS_LIST
V1 1234567890
V2 1234567890
V3 1234567890
V4 1234567890

> class(d2)
[1] "data.frame"

Upvotes: 1

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