Hi R users

The scatterplot (used package R-Cmdr ) obtained has the legend off the
plot in the upper left 
I would like to decide where to put the legend - is that option still
available and how do I do it? 
code: 
Dataset <- read.table("J:/Pigmatingsb.txt", header=TRUE, sep="\t",
na.strings="NA", dec=".", strip.white=TRUE)
scatterplot(Farrowing.rate~Time.in.Weeks | Operator, reg.line=lm,
smooth=FALSE, labels=FALSE, boxplots=FALSE, span=0.5, by.groups=TRUE,
ylab="Farrowing Rate", xlab="Time in Weeks", font.lab=2, cex.lab=1.5,
cex.axis=1.2, pch=c(16,15,24,3), data=Dataset)

The other option was to use the following which allowed manipulation of
the legend but had its own problems as I wasn't entirely sure how to
produce a simple regression line for the scatter for each group?


library(lattice)
setwd("C:\\temp")
Dataset <- read.table("Pigmatingsb.txt", header=TRUE, sep="\t",
na.strings="NA", dec=".", strip.white=TRUE)
head(Dataset)

xyplot(Farrowing.rate~Time.in.Weeks, groups= Operator, type=c("p"data =
Dataset,layout = c(1, 1), panel=panel.superpose ,xlab="Time
(weeks)",ylab="Farrowing rate", key = list(points =
Rows(trellis.par.get("superpose.symbol"), 1:4),
                           text = list(levels(Dataset$Operator)),
                           columns = 4)) 

Regards

Andy

Andrew McFadden MVS BVSc
Incursion Investigator
Investigation & Diagnostic Centres - Wallaceville Biosecurity New 
Zealand Ministry of Agriculture and Forestry

Phone 04 894 5600 Fax 04 894 4973 Mobile 029 894 5611 Postal address: 
Investigation and Diagnostic Centre- Wallaceville Box 40742 Ward St 
Upper Hutt


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