Here is an example. It assumes the data is in a data frame, with all variables numeric.
tst <- data.frame(yr=1981:1990,y1=rnorm(10), y2=5+rnorm(10), y3=rnorm(10)-3) plot(tst$yr, tst$y1, ylim=range(tst[,-1]),type='l') lines(tst$yr,tst$y2,col=2) lines(tst$yr,tst$y3,col=3) -Don At 1:50 PM -0500 6/15/05, Mihai Nica wrote: >Content-Type: text/plain; format=flowed >X-MIME-Autoconverted: from 8bit to >quoted-printable by smtp-4.llnl.gov id >j5FIxVe7010769 > >Greetings, > >I would like to plot three lines on the same >figure, and I am lost. There is an answer to a >similar thread� but I tried matplot and it is >beyond me. An example of the data follows: > >Year EM IM BM >1983 9.1 16.8 -7.7 >1984 12.0 18.0 -6.0 >1985 13.6 19.1 -5.5 >1986 12.4 17.3 -4.9 >1987 14.6 20.3 -5.7 >1988 20.6 23.3 -2.6 >1989 25.0 27.2 -2.2 >1990 28.4 30.2 -1.8 >1991 33.3 31.2 2.1 >1992 40.6 35.2 5.4 >1993 41.6 39.9 1.7 >1994 50.8 49.5 1.3 >1995 46.3 61.7 -15.4 >1996 56.8 73.0 -16.2 >1997 71.4 85.9 -14.5 >1998 79.0 94.7 -15.7 >1999 87.0 109.7 -22.7 >2000 111.7 135.9 -24.2 >2001 101.5 131.4 -29.9 >2002 97.5 134.6 -37.1 >2003 97.4 138.1 -40.6 >2004 110.8 155.8 -45.1 > >Thanks, > >Mihai > > >______________________________________________ >[email protected] mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html -- -------------------------------------- Don MacQueen Environmental Protection Department Lawrence Livermore National Laboratory Livermore, CA, USA ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
