[R] Question about ggplot2 and stat_smooth

Thomas Adams Thomas.Adams at noaa.gov
Mon Oct 3 21:44:11 CEST 2011



Andrés,

Thank you for your help, but that does not capture what I'm looking for. I need to be able to control the
shaded bound limits and they need to be coincident.

Tom

On 10/3/11 3:37 PM, Andrés Aragón wrote:
> 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.
>>


-- 
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



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