Trim NAs from Time Series

Description

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

Usage

1
2
3
4
    trimNA(x, startNAs=TRUE, endNAs=TRUE)
    ## Default S3 method:
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.

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

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