## PowerTOST’s functions with as.character(design) [Power / Sample Size]

Dear Helmut,

» oh, f**k! I forgot that users may not have updated yet.

Don't worry. Many R users are fallen or will fall into this trap I think, amongst others me.

» Shall we add a line to PowerTOST’s functions as a precaution?
»   if (is.factor(design)) design <- as.character(design)

Not a bad idea. But don't really know if this is absolutely necessary and if it pays the effort.

Regards,

Detlew