Re: [R] Problem at adding lines on a graphics with lines() function

Hi Anna, I guess it happened because the range of datas[1:n, 2] differs from the range of datas[1:n, 3]. A workaround would be either to use the maplot() function as follows or figuring out their ranges and then plug them in as the ylim argument in the plot call. Here is a suggestion using matplo

Re: [R] Problem at adding lines on a graphics with lines() function

On Nov 20, 2009, at 1:56 PM, anna_l wrote: Hello, I am trying to plot a graphic with many lines with the following command: plot(datas[1:n,1],datas[1:n,2],type="l",main="SP500 Prices and Moving Averages",xlab="Date",ylab="Prices",col="black") lines(datas[1:n,1],datas[1:n,3],type="l",col="g