Re: convert factor to numeric

[Sundar Dorai-Raj <sundar.dorai-raj@pdf.com>]

carol white said the following on 10/12/2007 8:05 AM:
> Hi,
> it might be a primitive question but how to convert a factor vector to 
> numeric vector? I just have a numeric vector stored as factor and if I 
> want to convert it with as.numeric, I just get a vector with a 
> completely different content of the factor vector
Try:

as.numeric(as.character(size))

or (slightly more efficient)

as.numeric(levels(size)[size])

HTH,

--sundar