converting string fractions to numerics
Hi, I believe you want eval(parse(text="pi/2")) a word of warning exemplified in eval(parse(text="library(fortunes) ; fortune(106)")) HTH, baptiste
On 19 October 2011 19:30, Erin Hodgess <erinm.hodgess at gmail.com> wrote:
Dear R People: Suppose I have the following: "pi/2" and I would like it to be 1.57..... Using as.numeric, here is my result:
as.numeric("pi/2")
[1] NA Warning message: NAs introduced by coercion
Is there a way to produce the numeric result, please? Thanks, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston - Downtown mailto: erinm.hodgess at gmail.com
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