Konrad wrote:
> Hello,
> Is there a way to convert a character to a number with out getting a warning?
> I have a vector that has both numbers and letters in it and I need to
> convert it to only numbers. At the moment I'm using as.numeric but it is
> generating a warning when it converts a letter. Is there another function
> out there that will do what I need or is there a way to turn off the warnings
> as I don't want the warning to be displayed to the end user?
?options
options(warn = -1)
as.numeric(c("1","A","2"))
[1] 1 NA 2
options(warn = 0) # return to default
> Konrad Hammel
> Engineer
> Prilink LTD
> [EMAIL PROTECTED]
> 905.305.1096
>
> [[alternative HTML version deleted]]
>
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and provide commented, minimal, self-contained, reproducible code.