How To Combine Two Columns In R

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How To Combine Two Columns In R

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How To Merge By Two Columns In R LearnShareIT

Web Apr 9 2014 nbsp 0183 32 2 Answers Sorted by 2 Assuming the two columns will either have the same values or one of them will be NA D data frame a c 1 NA 3 b c 1 2 NA D c lt rowMeans D na rm TRUE D a b c 1 1 1 1 2 NA 2 2 3 3 NA 3 Share Improve this answer Follow answered Apr 9 2014 at 13 31 Anto 1 189 10 16 7 Answers. Sorted by: 36. This probably didn't exist when the answers were written, but since I came here with the same question and found a better solution, here it is for future googlers: What you want is the coalesce () function from dplyr: y <- c (1, 2, NA, NA, 5) z <- c (NA, NA, 3, 4, 5) coalesce (y, z) [1] 1 2 3 4 5. Share.

Learn How To Merge Two Columns In Excel Into A Single One Techyv

How To Combine Two Columns In R;How to merge multiple columns into one column? Ask Question. Asked 6 years, 1 month ago. Modified 6 years, 1 month ago. Viewed 4k times. Part of R Language Collective. -2. I currently have data spread out across multiple columns in R. I am looking for a way to put this information into the one column as a vector for each of the individual … Web There are other great answers but in the case where you don t know the column names or the number of columns you want to concatenate beforehand the following is useful df data frame x letters 1 5 y letters 6 10 z letters 11 15 colNames colnames df could be any number of column names here df newColumn apply df colNames

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