trim.na {tframe}R Documentation

Trim NAs from Time Series

Description

Trim NAs from the start and end of a time series object.

Usage

    trim.na(x, ...)
    trim.na(x, start.=T, end.=T)
    

Arguments

obj A time series matrix or an object of class TSdata.
start. If start.=F then beginning NAs are not trimmed.
end. If end.=F then ending NAs are not trimmed.

Details

Trim NAs from the ends of a time series object. Observations in a given period for all series are dropped if any one contains an NA.

Value

A time series object which is windowed to the subset of data which is not NAs (usually the available data).

Examples

trim.na(ts(rbind(NA, matrix(1:20,10,2)), start=c(1980,1), frequency=12))