dropFirst {dlm}R Documentation

Drop the first element of a vector or matrix

Description

A utility function, dropFirst drops the first element of a vector or matrix, retaining the correct time series attributes, in case the argument is a time series object.

Usage

dropFirst(x)

Arguments

x

a vector or matrix.

Value

The function returns x[-1] or x[-1,], if the argument is a matrix. For an argument of class ts the class is preserved, together with the correct tsp attribute.

Author(s)

Giovanni Petris GPetris@uark.edu

Examples

(pres <- dropFirst(presidents))
start(presidents)
start(pres)

[Package dlm version 1.1-5 Index]