Subsetting Data in R - Andrew Jaffe

Subsetting data in RJohn MuschelliJanuary 5, 2016 OverviewWe showed one way to read data into R In thismodule, we will show you how to:1. Select specific elements of an object by an index or logicalcondition2. Renaming columns of Subset rows of Subset columns of Add/remove new columns to Order the columns of Order the rows of will show you how to do each operation in base R then showyou how to use thedplyrpackage to do the same operation (ifapplicable).Many resources on how to usedplyrexist and are straightforward: specific elements using an indexOften you only want to look at subsets of a data set at any giventime. As a review, elements of an R object are selected using thebrackets ([and]).

Selectspecificelementsusinganindex Oftenyouonlywanttolookatsubsetsofadatasetatanygiven time. Asareview,elementsofanRobjectareselectedusingthe brackets([ and]).

Loading..

Tags:

  Data, Subsetting, Subsetting data in r

Information

Related search queries