thank you for your answer.Yes,that sounds right.I thought the same thing but the problem is how can i generalize the command for every vector of numbers not only for the specific example?not only for c(1,2),c(0.1,0.8).
2015-01-04 0:45 GMT+00:00 Pete Brecknock [via R] < ml-node+s789695n4701358...@n4.nabble.com>: > dimnik wrote > i want to find a function that takes in two vectors of numbers that have > the same > length.The output should be a list of vectors, where each vector is a > sequence of > randomly generated Poisson variables where the number of samples in each > vector is determined by the entries in the first input vector and the > lambdas come > from the entries in the second input vector. For example, :If the inputs > are c(1,2) and c(0.1,0.8) the output will be a list of twovectors where the > first vectorhas a single sample from Poisson(0.1) and the second vector has > two samples from Poisson(0.8).How can i do all that kind of stuff using > sapply function? > thank u in advance > > How about using mapply, the multivariate version of sapply? > > Based on your example ... > > mapply(function(x,y) rpois(x,y), c(1,2),c(0.1,0.8)) > > HTH > > Pete > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://r.789695.n4.nabble.com/sapply-function-and-poisson-distribution-tp4701353p4701358.html > To unsubscribe from sapply function and poisson distribution, click here > <http://r.789695.n4.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=4701353&code=dmFnZWxpc2d1ZEBnbWFpbC5jb218NDcwMTM1M3wtMTg5MDAyODgzMA==> > . > NAML > <http://r.789695.n4.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- View this message in context: http://r.789695.n4.nabble.com/sapply-function-and-poisson-distribution-tp4701353p4701373.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.