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## val.rose.R
val.rose <- function(x)
## Validation function for rose-class
## Author: Rene Locher
## Version: 2005-10-17
{
if (length(x@cyclVar)!=nrow(x@rho))
return("nrow(x) must be equal to length(cyclVar)\n")
if (length(x@circle)!=1) return(paste("length of 'circle' is ",
length(x@circle),", but must be 1!\n",sep=""))
if (sum(is.na(x@cyclVar))>0)
return("slot 'cyclVar' must not contain NAs!\n")
if (min(x@cyclVar,rm.na=TRUE)<0 || max(x@cyclVar,rm.na=T)>=x@circle)
return("The following condition must be valid: 0 <= 'cyclVar' < 'circle'!\n")
if (!any(sort(x@cyclVar)==x@cyclVar))
return("'cyclVar' must be sorted by increasing values!\n")
if (any(duplicated(x@cyclVar)))
return("All values of 'cyclVar' must be unique!\n")
if (is.null(colnames(x@rho)))
return("'rho' must have column names!\n")
if (is.null(rownames(x@rho)))
return("'rho' must have row names!\n")
return(TRUE)
} # val.rose
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