How do I download reshape2 packages in R?

How do I download reshape2 packages in R?

Installation

1. Get the released version from cran: install.packages(“reshape2”)
2. Get the dev version from github: devtools::install_github(“hadley/reshape”)

What is reshape2 package in R?

reshape2 is an R package written by Hadley Wickham that makes it easy to transform data between wide and long formats.

How do you use the melt function in R?

Melt Function in R: The melt function takes data in wide format and stacks a set of columns into a single column of data. To make use of the function we need to specify a data frame, the id variables (which will be left at their settings) and the measured variables (columns of data) to be stacked.

Is reshape2 deprecated?

frame and will attempt to redirect to the relevant reshape2 method; please note that reshape2 is deprecated, and this redirection is now deprecated as well. To continue using melt methods from reshape2 while both libraries are attached, e.g. melt. list, you can prepend the namespace like reshape2::melt(x).

What is PLYR package in R?

plyr is an R package that makes it simple to split data apart, do stuff to it, and mash it back together. This is a common data-manipulation step. Importantly, plyr makes it easy to control the input and output data format from a syntactically consistent set of functions.

What is molten data?

The melt() function is used to convert a data frame with several measurement columns into a data frame in this canonical format, which has one row for every observed (measured) value. …

What does it mean to melt a Dataframe?

Pandas. melt() is one of the function to do so.. melt() function is useful to message a DataFrame into a format where one or more columns are identifier variables, while all other columns, considered measured variables, are unpivoted to the row axis, leaving just two non-identifier columns, variable and value.

How do I download a package from CRAN?

Installing the CRAN packages with the menu

1. In RStudio go to Tools → Install Packages and in the Install from option select Repository (CRAN) and then specify the packages you want.
2. In classic R IDE go to Packages → Install package(s) , select a mirror and install the package.

What package uses melt in R?

Reshape Package
The Reshape Package Basically, you “melt” data so that each row is a unique id-variable combination. Then you “cast” the melted data into any shape you would like.

What package is melt function in?

The melt function is to be found in the reshape package. If you do not have that package installed, then you will need to install it with install. packages(“reshape”) before you can use it. Then, when the package is installed, make it available with library(reshape) .