[R] Line Graph greater than 2 variables on plot
Waseq Ziaie
waseq_ziaie007 at hotmail.com
Thu Aug 21 00:54:55 CEST 2014
Hi all,
I was wondering if anyone knew how to construct a multiple line graph on R, where there are 2 (or more) sets of data points plotted against some x axis of
data, and you can draw a line on the graph connecting each set of data points.
for example:
time..years. incidence rural urban
1 2004 295.4 19.01 9.50
2 2005 824.1 19.95 9.98
3 2006 1078.0 20.70 10.35
4 2007 1258.0 21.26 10.63
5 2008 1800.0 21.83 10.91
6 2009 1890.0 18.93 9.47
7 2010 1999.0 19.41 9.71
8 2011 2261.0 19.89 9.95
9 2012 2321.0 20.28 10.14
Idea:
a) I am planning plot a graph of data illustrated above where on Y-axis we can have data in sets INCIDENCE, RURAL and URBAN and on X-axis the points in set TIME..YEARS.
b) Would like to be able to draw three lines ,connecting the points for each set of INCIDENCE, RURAL and URBAN over TIME..YEARS.
I have tried really hard to find something but wasn't successful, the latest information I received after doing the command shown underneath was:
> plot(data1$time..years.,data1$incidence,main="Plot illustrating diarrhoeal incidence over time", xlab="Time(years)",ylab="Diarrhoeal incidence",ylim=range(data[c("incidence","rural","urban")]),type"l", col=2)
Error: unexpected string constant in "plot(data1$time..years.,data1$incidence,main="Plot illustrating diarrhoeal incidence over time", xlab="Time(years)",ylab="Diarrhoeal incidence",ylim=range(data[c("incidence","rural","urban")])"
Many thanks,
W
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