[R] t(xmat)

[Ahmad Abu Hammour]

Hi,
I have a matrix and time series "xmat". I have no problem executing any matrix functions except t(xmat) which gives the following error message. My question if "xmat" is a matrix why I can not execute this matrix function?? converting the time series and matrix into a data frame solves the problem
>dim(xmat)
[1] 98  7
> t(xmat)
Error in "tsp<-"(*tmp*, value = xtsp) : invalid time series parameters specified
> is.matrix(xmat)
[1] TRUE
> is.ts(xmat)
[1] TRUE
> is.data.frame(xmat)
[1] FALSE

Ahmad Abu Hammour
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