Tutorial by Examples

To retrieve information about dplyr package and its functions' descriptions: help(package = "dplyr") No need to load the package first.

To see built-in data sets from package dplyr data(package = "dplyr") No need to load the package first.

To get the list of functions within package dplyr, we first must load the package: library(dplyr) ls("package:dplyr")

Conditions: package should be at least installed. If not loaded in the current session, not a problem. ## Checking package version which was installed at past or ## installed currently but not loaded in the current session packageVersion("seqinr") # [1] ‘3.3.3’ packageVer...

To check the list of loaded packages search() OR (.packages())