[R]:?alternative to loop

nicolas baurin nicolas.baurin at univ-orleans.fr
Wed May 3 12:48:26 CEST 2000


Hello to all R people,

for the application of a function to each column of a matrix (ex:
function sum()), i'd like to know if there is a simpler (and faster)
alternative to a loop like :

for (i in 1: ncol(m)){sum(m[i])}

Thanks in advance,
Cordialement,
--
Nicolas Baurin

Doctorant
Institut de Chimie Organique et Analytique, UPRES-A 6005
Université d'Orléans, BP 6759
45067 ORLEANS Cedex 2, France
Tel: (33+) 2 38 49 45 77


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