Nothing

```
## ===========================
## Methods for stsstatd objects
## ===========================
print.stslist.modst <- function(x, digits=2, ...) {
cat(" [Modal state sequence]\n")
## x <- NextMethod("print",...)
print.stslist(x,...)
cat("\n [State frequencies]\n")
print(attr(x,"Frequencies"), digits=digits)
}
"[.stslist.modst" <- function(x,i,j,drop=FALSE) {
## Specialized only for column subscript
## If one column we keep the original data.frame method
## Otherwise we copy attributes and update "start" value
if (!missing(i))
stop("row subscripts not allowed!", call.=FALSE)
if (!missing(j)) {
freq <- attr(x,"Frequencies")
## Applying method
x <- NextMethod("[")
## Adapting frequencies
attr(x,"Frequencies") <- freq[j]
}
return(x)
}
```

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