[R] About "SpatioTemporal" Package

[Elham Daadmehr]

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 <drjimlemon at 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 at 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
>
>
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>
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