[R] compare three values

ONKELINX, Thierry Thierry.ONKELINX at inbo.be
Mon Aug 30 12:22:49 CEST 2010

Have a look at switch() and which.min()

x <- c(a = 3, b = 1, c = 5)
switch(which.min(x), "a is lowest", "b is lowest", "c is lowest")



ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek
team Biometrie & Kwaliteitszorg
Gaverstraat 4
9500 Geraardsbergen

Research Institute for Nature and Forest
team Biometrics & Quality Assurance
Gaverstraat 4
9500 Geraardsbergen

tel. + 32 54/436 185
Thierry.Onkelinx op inbo.be

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> -----Oorspronkelijk bericht-----
> Van: r-help-bounces op r-project.org 
> [mailto:r-help-bounces op r-project.org] Namens Alfredo Alessandrini
> Verzonden: maandag 30 augustus 2010 12:03
> Aan: r-help op r-project.org
> Onderwerp: [R] compare three values
> Hi,
> I've three values. What is the best method to choice the 
> lowest values with an if function?
> example:
> a = 3
> b = 1
> c = 5
> if (lowest(a,b,c) is a) {........}
> if (lowest(a,b,c) is b) {........}
> if (lowest(a,b,c) is c) {........}
> Thanks,
> Alfredo
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