On Wed, 27 Aug 2003, Petr Pikal wrote: > Hallo > > On 27 Aug 2003 at 1:49, Eugene Salinas wrote: > > > Hi, > > > > I'm a recent R convert so I haven't quite figured out > > the details yet... > > > > How do I select one variable by another one? Ie if I > > want to draw the histogram of variable X only for > > those individuals that also have a value Y in a > > certain range? > > > > In STATA I would give something like: > > > > histogram X if ((Y>=A & Y<=B)) > > hist(X[(Y>=A)&(Y<=B)]) > > if A and B are objects storing your limits > > ?Logic > ?"[" > > > > > (The data is for individuals and each individual has a > > number of characteristics including X and Y). > > > > thanks, eugene. > > > > ______________________________________________ > > [EMAIL PROTECTED] mailing list > > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > > Cheers > Petr Pikal > [EMAIL PROTECTED] > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help >
__________________________________________________________________________ Salvador Alcaraz Carrasco http://www.umh.es Arquitectura y Tecnolog�a de Computadores http://obelix.umh.es Dpto. F�sica y Arquitectura de Computadores [EMAIL PROTECTED] Universidad Miguel Hern�ndez [EMAIL PROTECTED] Avda. del ferrocarril, s/n Telf. +34 96 665 8495 Elche, Alicante (Spain) ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
