search for: leafminers

Displaying 2 results from an estimated 2 matches for "leafminers".

2003 Sep 02
1
Plotting dates
I'm trying to plot observations against observation dates and getting julian dates along the x-axis: library(date) Week<-as.date(c("05/02/03","05/09/03","05/16/03","05/23/03","05/30/03","06/0 7/03","06/14/03")) Leafminers<-c(0,2,5,10,4,6,5) Diglyphus<-c(0,0,4,5,7,3,1) LeafDig<-cbind(Week,Leafminers,Diglyphus) plot(LeafDig,ylim=c(0,20),main="Leafminers",ylab="Observed numbers",xlab="",adj=0,bty="l") points(Diglyphus,pch=2) lines(Diglyphus,lty=2) legend(1,18,c("Lea...
2006 Apr 23
1
Comparing GLMMs and GLMs with quasi-binomial errors?
Dear All, I am analysing a dataset on levels of herbivory in seedlings in an experimental setup in a rainforest. I have seven classes/categories of seedling damage/herbivory that I want to analyse, modelling each separately. There are twenty maternal trees, with eight groups of seedlings around each. Each tree has a TreeID, which I use as the random effect (blocking factor). There are two