Last data update: 2014.03.03
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R: A function to extract the covariate from an object of class...
A function to extract the covariate from an object of class
lgtdl.
Description
The covariate component of the lgtdl object is returned.
Usage
getcov(x, ...)
## S3 method for class 'lgtdl'
getcov(x, cov, ...)
Arguments
x |
The lgtdl object.
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cov |
The name of the covariate to be extracted.
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... |
Ignored, there for potential future use.
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Value
The covariate, as either a matrix or vector, is returned.
Author(s)
Robert Gentleman
See Also
lgtdl , as.lgtdl
Examples
x1<-data.frame(time=c(1,3,5), cov=c(4,6,8))
x2<-data.frame(time=c(11,13,15), interest=c(66,45,88))
x1<-as.lgtdl(x1)
x2<-as.lgtdl(x2)
getcov(x1)
getcov(x2)
Results
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