[R] Question about ggplot2 and stat_smooth

Andrés Aragón armandres at gmail.com
Mon Oct 3 21:37:57 CEST 2011


Hi,
Try some like this:

c <- ggplot(mtcars, aes(qsec, mpg, colour=factor(cyl)))
c + stat_smooth(aes(group=cyl))+stat_smooth(aes(fill=factor(cyl)))+geom_point()


Andrés AM



2011/10/3, Thomas Adams <Thomas.Adams at noaa.gov>:
>   I'm interested in creating a graphic -like- this:
>
> c <- ggplot(mtcars, aes(qsec, wt))
> c + geom_point() + stat_smooth(fill="blue", colour="darkblue", size=2,
> alpha = 0.2)
>
> but I need to show 2 sets of bands (with different shading) using 5%,
> 25%, 75%, 95% limits that I specify and where the heavy blue line is the
> median. I don't understand how to do this with ggplot2. What I am doing
> currently is to generate 'boxplots' (with 5%, 25%, 75%, 95% limits) at
> 6-hourly time steps (so I have a series of boxplots, which you can see
> by clicking on a map point:
> http://www.erh.noaa.gov/mmefs/index_test.php?Lat=38.2&Lon=-80.1&Zoom=5&Refresh=0&RFCOverlay=0&Model=NAEFS).
> Some who use our graphics would like to see something more like the
> ggplot2 with stat_smooth graphic.
>
> Help is much appreciated.
>
> Regards,
> Tom
>
> --
> Thomas E Adams
> National Weather Service
> Ohio River Forecast Center
> 1901 South State Route 134
> Wilmington, OH 45177
>
> EMAIL:	thomas.adams at noaa.gov
>
> VOICE:	937-383-0528
> FAX:	937-383-0033
>
> ______________________________________________
> R-help at r-project.org 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.
>



More information about the R-help mailing list