Your request fails the reproducibility requirement from the posting guide, because you have not supplied enough data to run the code and reproduce the error. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
fabiano <chimbiop...@gmail.com> wrote: >I have been working on the following code but keep getting an err >message. My >current thinking is that the problem is on the indexing but do not know >how >to fix it. Any help please? > >ungulate <- read.csv("Ungulate.csv",row.names=1) >ungulate <- >as.matrix(ungulate);colnames(ungulate)<-NULL;rownames(ungulate)<-NULL >habitat <- read.csv("Ungulate_vegetation.csv") >habitat <- habitat[,3] >site.data <- read.csv("Ungulate_site.csv") >site <- site.data$SiteId >visit <- site.data$Visit >date <- site.data$Date >date <- matrix(date,nrow=20,ncol=7,byrow=TRUE) >S <- dim(ungulate)[1] >m <- 14 # number of augmented species >G <- read.csv("Ungulate_group.csv") >G <- G[,2] >g <- rep(NA,length=m) >G <- c(G,g) # combined list with actual and augmented data set so in >this >case 6 + 14 >g <- length(table(G)) ># habitat id >Hab <- cbind(seq(1,20),habitat) #habitat types for 20 sties run from 2 >to 4 > >hab <- matrix(NA,nrow=2,ncol=7) #creating placing values to be >filled >with values generated by the following loop >for(i in 1:4){ > hab[i,] <- Hab[habitat==i,1] } # want to use this loop to >substitute NA >by exact values as those found in the real data set which can be 2 to 4 >but >keep getting an error message saying > >Error in hab[i, ] <- Hab[habitat == i, 1] : replacement has length zero > >Any help. Thanks >Error in hab[i, ] <- Hab[habitat == i, 1] : replacement has length zero > >-- >View this message in context: >http://r.789695.n4.nabble.com/replacement-has-length-zero-tp4635700.html >Sent from the R help mailing list archive at Nabble.com. > >______________________________________________ >R-help@r-project.org 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. ______________________________________________ R-help@r-project.org 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.