Thank you for the reply, Jim.
It gave me the same error.
I checked the example data "mesa.data.raw" in this package, I found that the
"ID" has
the same type as the one in this data but I don't know why the function
"createSTdata(y1, datst1)" give me
the error.
Regards,
On Thursday, July 14, 2016 3:10 AM, Jim Lemon <drjimle...@gmail.com> wrote:
Hi Elham,
It looks to me as though you have created the numeric variable "ID"
and then passed it to a function that expects it to be a character
variable. Try changing the line:
ID<-60101:60128
to:
ID<-paste("ID",60101:60128,sep="")
and see what happens.
Jim
On Wed, Jul 13, 2016 at 8:29 PM, Elham Daadmehr via R-help
<r-help@r-project.org> wrote:
> Dear all,
>
> I want to build the data with the structure of STdata (using the
> function "createSTdata()"), I did as the following:
>
> ####
> datst=cbind(xy)
> yy=cbind(y,xx)
> ID=60101:60128
> date=as.numeric(1:13)
> y1=as.data.frame(t(cbind(yy)))
> datst1=as.data.frame(cbind(ID,datst))
> aa=as.Date(date,format = "%Y-%m-%d",origin = "2016-01-31")
> rownames(y1)<- aa
> colnames(y1)<- ID
> colnames(datst1)<-c("ID","x","y")
> ####
>
> But I don't know why the function "createSTdata(y1, datst1)" give me
> the following error:
>
> ####
> Error in stCheckClass(obs$ID, "character", name = "obs$ID") :
> obs$ID must belong to one of class(es) character
> In addition: Warning messages:
> 1: In createSTdata(y1, datst1) :
> Unable to find column 'obs$obs', using 'obs[,1]
> 2: In createSTdata(y1, datst1) :
> Unable to find column 'obs$date', using 'obs[,2]
> 3: In createSTdata(y1, datst1) :
> Unable to find column 'obs$ID', using 'obs[,3]
> ####
> I checked the example data "mesa.data.raw", I found that my "ID" has
> the same type (integer) as the one in this data.
>
>
> Kindly thanks, in advanceElham
>
>
> [[alternative HTML version deleted]]
>
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