r reshape long to wide
dcast function in r exampler transpose data frame by group
aggregation function missing: defaulting to length
r reshape long to wide multiple variables
reshape package r
opposite of melt in r
r reshape matrix

11 Jan 2019 This vignette discusses the default usage of reshaping functions melt (wide to long) and dcast (long to wide) for data.tables as well as the new Learn how R provides a variety of methods for reshaping data. This includes reshaping datasets with transpose and melt. In R, there are a number of general functions that can aggregate data, for example tapply, aggregate, and a function specifically for reshaping data, reshape. 3 Mar 2015 20 Jun 2016 Reshape your data from long to wide, split a column, aggregate: a comparison between R news and tutorials contributed by (750) R bloggers. 31 Oct 2013 Creating molten data Instead of thinking about data in terms of a matrix or a data frame where we have observations in the rows and variables 3 May 2012 This Post Will Explain the Basics of Wide to Long With base reshape (part I) Hadely Wickham has a package for reshaping data called reshape2 that is ggplot2 Choropleth of Supreme Court Decisions: A TutorialIn "data".9 Oct 2015 In this article, I will show you how you can use the reshape2 package to convert data from wide to long format and vice versa. It was written and 19 Oct 2013 reshape2 is an R package written by Hadley Wickham that makes it easy to The ultimate shape you want to get your data into will depend on 12 Sep 2016 In this tutorial we will look at Reshape R package, reshape2, melt and cast functions. Reshape R package – Introduction The post Reshape R