Thanks! Lara
Henrik Eckermann <henrik.eckerman...@gmail.com> escreveu no dia quarta, 20/02/2019 à(s) 10:25: > Hi Lara, > > the error is quite informative. You use the sample function twice. At > least for one the length of the vector where you sample from is shorter > (contains less values) than than the number of samples you wanna draw. > > best, > > Henrik > > > On 20. Feb 2019, at 12:20, Lara Silva <lara.sfp.si...@gmail.com> wrote: > > > > Hello, > > > > I am trying to generate random samples from the following code > > > > ### Setting random seed to always create the same > > ### Random set of points > > set.seed(0) > > > > absences_15000<-absences[sample(nrow(absences), 15000),] > > points(absences_15000, cex=0.1) > > > > ## Subsample_10000 > > set.seed(0) > > > > absences_10000<-absences_15000[sample(nrow(absences_15000), 10000),] > > dim(absences_10000) > > > > I get the following error: > > > > Error in sample.int(length(x), size, replace, prob) : > > cannot take a sample larger than the population when 'replace = FALSE' > > > > Any advice? > > > > Regards, > > > > Lara > > > > [[alternative HTML version deleted]] > > > > _______________________________________________ > > R-sig-ecology mailing list > > R-sig-ecology@r-project.org > > https://stat.ethz.ch/mailman/listinfo/r-sig-ecology > > [[alternative HTML version deleted]] _______________________________________________ R-sig-ecology mailing list R-sig-ecology@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-ecology