[R] Superimposing 2 curves on the same graph with par(new=TRUE)

Clint Bowman clint at ecy.wa.gov
Mon Mar 23 19:14:25 CET 2015


Agreed--I neglected to add the secondary y-axis (shouldn't hit send so 
fast.)

Clint Bowman			INTERNET:	clint at ecy.wa.gov
Air Quality Modeler		INTERNET:	clint at math.utah.edu
Department of Ecology		VOICE:		(360) 407-6815
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On Mon, 23 Mar 2015, Boris Steipe wrote:

> ... which is exactly what he shouldn't do because now it the plot falsely asserts that both curves are plotted to the same scale.
>
>
> B.
>
>
>
> On Mar 23, 2015, at 12:34 PM, Clint Bowman <clint at ecy.wa.gov> wrote:
>
>> Try:
>> plot(Date,MORTSBu,lwd=2,lty="dashed",axes=F,xlab="",ylab="")
>>
>>
>>
>> Clint Bowman			INTERNET:	clint at ecy.wa.gov
>> Air Quality Modeler		INTERNET:	clint at math.utah.edu
>> Department of Ecology		VOICE:		(360) 407-6815
>> PO Box 47600			FAX:		(360) 407-7534
>> Olympia, WA 98504-7600
>>
>>        USPS:           PO Box 47600, Olympia, WA 98504-7600
>>        Parcels:        300 Desmond Drive, Lacey, WA 98503-1274
>>
>> On Mon, 23 Mar 2015, varin sacha wrote:
>>
>>> Dear R-Experts,
>>>
>>> I try to superimpose/present 2 curves/plots on the same graph. I would like the result/graph to be readable.
>>> For that, I use the par(new=TRUE) argument but on the Y-axis there is a superposition of writings and the Y-axis becomes unreadable.
>>> How can I solve this problem ?
>>>
>>> Here is a reproducible example :
>>> Date<-c(1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010)
>>>
>>> MORTSFr<-c(16445,17671,18113,17043,14738,14355,15028,14283,13229,13603,13672,13547,13527,13021,12737,11388,11947,10742,11497,11476,11215,10483,9900,9568,9019,8891,8541,8444,8918,8487,8079,8160,7655,6058,5593,5318,4709,4620,4275,4273,3992)
>>>
>>> MORTSBu<-c(838,889,934,946,960,1030,1021,1040,1153,1149,1199,1219,1229,1123,1119,1113,1070,1153,1153,1280,1567,1114,1299,1307,1390,1264,1014,915,1003,1047,1012,1011,959,960,943,957,1043,1006,1061,901,776)
>>>
>>> plot(Date,MORTSFr,type="l")
>>> par(new=TRUE)
>>>
>>> plot(Date,MORTSBu,lwd=2,lty="dashed")
>>>
>>> Thanks for your time.
>>> Best,
>>> S
>>>
>>> ______________________________________________
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>>
>> ______________________________________________
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> 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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