thanks a lot. good day.
Kathie On Fri, Apr 16, 2010 at 1:43 PM, Henrique Dallazuanna [via R] < ml-node+2013302-929204043-67...@n4.nabble.com<ml-node%2b2013302-929204043-67...@n4.nabble.com> > wrote: > Try this: > > sweep(a, 1, b, '/') > > On Fri, Apr 16, 2010 at 2:30 PM, Kathie <[hidden > email]<http://n4.nabble.com/user/SendEmail.jtp?type=node&node=2013302&i=0>> > wrote: > > > > > Dear R users, > > > > I am looking for more efficient way to compute the followings > > > > > -------------------------------------------------------------------------- > > > > a <- matrix(c(1,1,1,1,2,2,2,2),4,2) > > b <- matrix(c(1,2,3,4),4,1) > > > > Eventually, I want to get this matrix, `c`. > > > > c <- matrix(c(1/1,1/2,1/3,1/4,2/1,2/2,2/3,2/4),4,2) > > > > > -------------------------------------------------------------------------- > > > > In fact, #column of `a` is so big.. > > > > Is there a more efficient way to compute this instead of using "apply" or > > > something? or "apply" is only way..? > > > > Any suggestion will be greatly appreciated. > > > > Regards, > > > > Kathryn Lord > > -- > > View this message in context: > http://n4.nabble.com/VERY-SIMPLE-QUESTION-tp2013288p2013288.html > > Sent from the R help mailing list archive at Nabble.com. > > > > ______________________________________________ > > [hidden > > email]<http://n4.nabble.com/user/SendEmail.jtp?type=node&node=2013302&i=1>mailing > > list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > > > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > 25° 25' 40" S 49° 16' 22" O > > ______________________________________________ > [hidden > email]<http://n4.nabble.com/user/SendEmail.jtp?type=node&node=2013302&i=2>mailing > list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > > ------------------------------ > View message @ > http://n4.nabble.com/VERY-SIMPLE-QUESTION-tp2013288p2013302.html > To unsubscribe from VERY SIMPLE QUESTION, click here< (link removed) ==>. > > > -- View this message in context: http://n4.nabble.com/VERY-SIMPLE-QUESTION-tp2013288p2013312.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]]
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