[R] fractional calculations

[Federico Calboli]

Henrique Dallazuanna wrote:
> require(MASS)
> ?as.fractions
> as.fractions(1/2+1/8)

I thought that as.fractions did transform the fractions *first* into floats and 
*then* found the rational approssimation (a passage I'd rather avoid):

fractions                package:MASS                R Documentation

Rational Approximation

Description:

      Find rational approximations to the components of a real numeric
      object using a standard continued fraction method.

/F
-- 
Federico C. F. Calboli
Department of Epidemiology and Public Health
Imperial College, St Mary's Campus
Norfolk Place, London W2 1PG

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