My guess would be that absences_150000 doesn't have 10000 rows. Can you confirm or refute this?
Cheers, Roman On Wed, Feb 20, 2019 at 12:20 PM 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 > -- In God we trust, all others bring data. [[alternative HTML version deleted]] _______________________________________________ R-sig-ecology mailing list R-sig-ecology@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-ecology