[R] converting string fractions to numerics

Erin Hodgess erinm.hodgess at gmail.com
Wed Oct 19 08:30:01 CEST 2011


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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