[R] Internal NA removal out of Time Series with na.omit.ts()

Jan Verbesselt Jan.Verbesselt at agr.kuleuven.ac.be
Fri Mar 5 13:50:15 CET 2004


Hi R specialists,

The na.omit.ts() method fails when the time series contains internal
NA's. How can these automatically be removed?

> spectrum(ts.mNDII, na.action=na.omit)
Error in na.omit.ts(as.ts(x)) : time series contains internal NAs

How can the na.action be activated correctly?

> acf(ts.Lin, type=c("correlation"), na.action=na.omit)
Error in na.omit.ts(as.ts(x)) : time series contains internal NAs

((ts.Lin contains two time series, where one contains internal NAs
(-->an NA not a the end/beginning of a time serie)))

Thanks a lot!

Jan Verbesselt




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