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splitstackshape  

Stack and Reshape Datasets After Splitting Concatenated Values
View on CRAN: Click here


Download and install splitstackshape package within the R console
Install from CRAN:
install.packages("splitstackshape")

Install from Github:
library("remotes")
install_github("cran/splitstackshape")

Install by package version:
library("remotes")
install_version("splitstackshape", "1.4.8")



Attach the package and use:
library("splitstackshape")
Maintained by
Ananda Mahto
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2013-08-13
Latest Update: 2019-04-21
Description:
Online data collection tools like Google Forms often export multiple-response questions with data concatenated in cells. The concat.split (cSplit) family of functions splits such data into separate cells. The package also includes functions to stack groups of columns and to reshape wide data, even when the data are "unbalanced"—something which reshape (from base R) does not handle, and which melt and dcast from reshape2 do not easily handle.
How to cite:
Ananda Mahto (2013). splitstackshape: Stack and Reshape Datasets After Splitting Concatenated Values. R package version 1.4.8, https://cran.r-project.org/web/packages/splitstackshape. Accessed 18 Sep. 2026.
Previous versions and publish date:
(2026-07-09 07:08), 1.0 (2013-08-13 07:02), 1.2.0 (2013-08-27 19:16), 1.4.0 (2014-10-13 17:32), 1.4.2 (2014-10-23 17:31), 1.4.4 (2018-03-29 22:07), 1.4.6 (2018-07-23 09:30), 1.4.8 (2019-04-21 22:00)
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