| lagk {JWileymisc} | R Documentation |
Create a lagged variable
Description
Given a variable, create a k lagged version, optionally do it by a grouping factor, such as an ID.
Usage
lagk(x, k = 1, by)
Arguments
x |
the variable to lag |
k |
the length to lag it |
by |
a variable to lag by. Must be sorted. |
Value
a vector of the lagged values
Examples
lagk(1:4, 1)
[Package JWileymisc version 1.4.1 Index]