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

Boris Steipe boris.steipe at utoronto.ca
Mon Mar 23 18:04:05 CET 2015


... 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="")
> 
> 
> 
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> 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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> 
> ______________________________________________
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