On 12/23/2011 07:52 AM, Ben Neal wrote:
Have made a stacked area plot, but now want to manipulate the x axis: make in
even increments (50) in order to suppress the tick marks (forming solid bar
under plot). However, the plot functions do not seem to work, and I cannot find
documentation for use of xat in stackpoly.
This is a time series of data covering 579 years, and has been successfully
converted from zoo to matrix. Data plotting fine, jsut want to change axis -
CaribMatrix<-as.matrix(ts4Ex)
stackpoly(CaribMatrix, stack=TRUE, xlab="Year",ylab="Catch in tons",
xaxlab=(1250:2008),
main="Historical Florida reef fisheries catch by sector",
axis4="FALSE")
Any assistance appreciated! Thanks very much, Benjamin P Neal, Scripps Inst. of
Oceanogrpahy
Hi Ben,
In the stackpoly function, you can specify the positions of the axis
ticks (xat=...) and the labels for those positions (xaxlab=...). You
don't seem to have supplied the "x" values, so the values in CaribMatrix
will be placed display at 1:dim(CaribMatrix)[1]. I'll have to make up
CaribMatrix...
CaribMatrix<-matrix(order(sample(200:500,579,TRUE),nrow=579,ncol=3)
stackpoly(CaribMatrix,stack=TRUE,ylim=c(0,1500),xat=seq(1,600,by=50),
xaxlab=seq(1450,2000,by=50),staxx=TRUE)
This seems to give a reasonable plot for me.
Jim
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