Re: [R] Errorbars

2011-06-18 Thread Peter Ehlers
On 2011-06-17 06:24, anna Harris wrote: Hi, Does anyone know how i get rid of the marker point in my error bars? The bars default function (it seems) is to have a dot in the middle of the bar, however i don't want it there. I am using Hmis to draw my errorbars and code is a<-as.vector(tapply(S

[R] Errorbars

2011-06-17 Thread anna Harris
Hi, Does anyone know how i get rid of the marker point in my error bars? The bars default function (it seems) is to have a dot in the middle of the bar, however i don't want it there. I am using Hmis to draw my errorbars and code is a<-as.vector(tapply(Sporangia,list(Host,Isolate),mean)) b<-as.v