tframe (version 2012.3-1)

trimNA: Trim NAs from Time Series

Description

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

Usage

trimNA(x, startNAs=TRUE, endNAs=TRUE)
    ## S3 method for class 'default':
trimNA(x, startNAs=TRUE, endNAs=TRUE)

Arguments

x

A time series matrix or an object of class TSdata.

startNAs

If FALSE then beginning NAs are not trimmed.

endNAs

If FALSE then ending NAs are not trimmed.

Value

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

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.

Examples

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