
Ok thanks. I did have some success using the cex options. Figured out that I
was putting some of the arguments in the wrong place.

Thanks again!

On Thu, Feb 3, 2011 at 8:24 PM, David Winsemius [via R] <
ml-node+3259390-1216185916-210852@n4.nabble.com<ml-node%2B3259390-1216185916-210852@n4.nabble.com>
> wrote:

>
> On Feb 3, 2011, at 7:12 PM, gigi1234 wrote:
>
> >
> > I am trying to make some plots for a poster. Each one needs to be 6
> > inches by
> > inches. Right now the fonts are too small and the plots don't read
> > well on
> > my poster. I am pretty much an R newbie and I can't figure out how
> > to change
> > the fonts. It would also be nice to know how to specify the size of
> > the plot
> > and maybe how to save the plots as jpeg files. Any help would be much
> > appreciated! I am not too picky about the details like font type, I
> > just
> > want the size of the fonts (especially the axes and axes labels) to be
> > bigger!
>
> ?par
>
> cex, cex.main,  cex.lab, and cex.axis are arguments that should be
> helpful to control various font sizes.
>
> ?Devices
> ?jpeg
>
> The device settings are where you can change the plot size. There are
> examples on the help pages.
>
>
> >
> > Thanks so much!
> >
> > Here is my code:
> >
> > # Poster figure 1
> >
> > stationmean=c(19.4833,10.8000)
> > fieldmean=c(14.6852, 15.5981)
> >
> > plot(c(0,1),fieldmean,xaxt='n',type="b",pch=20,col="green3",
> > main="Foxtail Seeds Remaining vs.Field Type", ylab="Mean Number
> > Foxtail
> > Seeds Remaining",
> > xlab="Field Type",ylim=c(10,20),xlim=c(-.25,1.25))
> > axis(1,at=c(0,1),labels=c("Cover Crop","Wheat Stubble"))
> >
> > # Poster figure 2
> >
> > stationmean=c(19.4833,10.8000)
> > fieldmean=c(14.6852, 15.5981)
> >
> > plot(c(0,1),stationmean,xaxt='n',type="b",pch=20,col="green3",
> > main="Foxtail Seeds Remaining vs. Station Type", ylab="Mean Number
> > Foxtail
> > Seeds Remaining",
> > xlab="Station Type",ylim=c(10,20),xlim=c(-.25,1.25))
> > axis(1,at=c(0,1),labels=c("Invertebrate Only","Open Access"))
> >
> > # Poster figure 3
> >
> > meantime=22.1
> > meancumrainfall=.4837
> > meanavelowt=35.4920071
> > meanavehight=55.3242738
> > meanvegcover=81.1729167
> >
> > pred.veg = 33.3160 + -.2439*meantime - .8409*(.5) + 8.6833*(.5) +
> > .5427*(meancumrainfall)-.3087*(meanavehight) +
> > .01087*(seq(0,164.5,by=5))
> > pred.veg
> >
> > plot(seq(0,164.5,by=5),pred.veg,type='l',col='blue',lwd=2,
> > main='Foxtail Seeds Remaining vs. Vegetative Cover Biomass',
> > xlab='Vegetative Cover Biomass (g / 0.25 m^2',
> > ylab='Mean Number Foxtail Seeds Remaining',ylim=c(10,22))
> >
> > # Poster figure 4
> >
> > meantime=22.1
> > meancumrainfall=.4837
> > meanavelowt=35.4920071
> > meanavehight=55.3242738
> > meanvegcover=81.1729167
> >
> > pred.rain = 33.3160 + -0.2439*meantime - .8409*(.5) + 8.6833*(.5) -
> > 1.0571*(seq(0,1.569,by=.1))-.3087*(meanavehight) +
> > .01087*(meanvegcover)
> > pred.rain
> >
> > plot(seq(0,1.569,by=.1),pred.rain,type='l',col='blue',lwd=2,
> > main='Foxtail Seeds Remaining vs. Cumulative Rainfall',
> > xlab='Cumulative
> > Rainfall (in)',
> > ylab='Mean Number Foxtail Seeds Remaining',ylim=c(10,22))
> >
> > # Poster figure 5
> >
> > meantime=22.1
> > meancumrainfall=.4837
> > meanavelowt=35.4920071
> > meanavehight=55.3242738
> > meanvegcover=81.1729167
> >
> > pred.high = 33.3160 + -.2439*meantime - .8409*(.5) + 8.6833*(.5) +
> > 1.0571*(meancumrainfall)-.3087*(seq(37.733,74.38228571,by=1)) +
> > .01087*(meanvegcover)
> > pred.high
> >
> > plot(seq(37.733,74.38228571,by=1),pred.high,type='l',col='blue',lwd=2,
> > main='Foxtail Seeds Remaining vs. Average Daily High Temp',
> > xlab='Average
> > Daily High Temperature (degrees F)',
> > ylab='Mean Number Foxtail Seeds Remaining',ylim=c(10,22))
> >
> > # Poster figure 6
> >
> > meantime=25.3333333
> > meancumrainfall=.4015
> > meanavelowt=37.9325
> > meanavehight=62.2579683
> > meanvegcover=77.6145833
> > meannumtotseedwt=.8708333
> >
> > pred.seed = 24.4096 + -.1930*meantime - 3.5233*(.5) + 11.8611*(.5) -
> > 2.7335*(meancumrainfall)-.1510*(meanavehight) +
> > .01286*(meanvegcover) - 3.2848*(seq(.2,1.6,by=.05))
> > pred.seed
> >
> > plot(seq(.2,1.6,by=.05),pred.seed,type='l',col='blue',lwd=2,
> > main='Foxtail Seeds Remaining vs. Ambient Seed Load', xlab='Ambient
> > Seed
> > Load (g / 0.25 m^2',
> > ylab='Mean Number Foxtail Seeds Remaining',ylim=c(8,16))
> >
> > --
> > View this message in context:
> http://r.789695.n4.nabble.com/Easy-help-with-plots-font-size-tp3259270p3259270.html<http://r.789695.n4.nabble.com/Easy-help-with-plots-font-size-tp3259270p3259270.html?by-user=t>
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> >
> > ______________________________________________
> > [hidden email] <http://user/SendEmail.jtp?type=node&node=3259390&i=0>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.
>
> David Winsemius, MD
> West Hartford, CT
>
> ______________________________________________
> [hidden email] <http://user/SendEmail.jtp?type=node&node=3259390&i=1>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.
>
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