Displaying 2 results from an estimated 2 matches for "mndii".
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ndii
2004 Mar 05
2
Internal NA removal out of Time Series with na.omit.ts()
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 se...
2004 Mar 04
1
Lineair regression modelling between time series //correlation analysis
...ear R specialists,
I'm working with time series and want to investigate the relationship
between two time series by correlation analysis or by fitting a gen.
lineair model to the plot of x(timeserie1) and y(timeserie2).
Lin1 <- data.frame(
Nr = c(1:lengte),
NDII = window(ts.mNDII,c(1998,10),c(2003,11)),
InvERC = window(Inv.ERC,c(1998,10),c(2003,11))
)
summary(glm(NDII ~ InvERC, data=Lin1, family=gaussian(link ="identity")))
Error in "storage.mode<-"(`*tmp*`, value = "double") :
invalid time series parameters specif...