dynamac (version 0.1.4)

dshift: Take first difference of a series.

Description

Take first difference of a series.

Usage

dshift(x)

Arguments

x

a series to be differenced

Value

the differenced series

Details

dshift assumes that the series are ordered, that there is no missing data, and that the time intervals are even.

Examples

# NOT RUN {
x.var <- seq(0, 50, 5)
d.x.var <- dshift(x.var)
head(x.var)
head(d.x.var)
# }