Reshaping Data with the reshape Package

Hadley Wickham

Journal of Statistical Software, 2007, vol. 021, issue i12

Abstract: This paper presents the reshape package for R, which provides a common framework for many types of data reshaping and aggregation. It uses a paradigm of 'melting' and 'casting', where the data are 'melted' into a form which distinguishes measured and identifying variables, and then 'cast' into a new shape, whether it be a data frame, list, or high dimensional array. The paper includes an introduction to the conceptual framework, practical advice for melting and casting, and a case study.

Date: 2007-11-13
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Citations: View citations in EconPapers (79)

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Persistent link: https://EconPapers.repec.org/RePEc:jss:jstsof:v:021:i12

DOI: 10.18637/jss.v021.i12

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