Hi,

I am new to R and I have been trying it out. I ran into a problem with the
plot() function. Below is my code:

 > d <- read.table("c:/test/sp.txt",header=0)
> spval <- d[,2]
> plot(spval,type="l")
Warning messages:
1: graphical parameter "type" is obsolete in: plot.window(xlim, ylim, log,
asp, ...)
2: graphical parameter "type" is obsolete in: axis(side, at, labels, tick,
line, pos, outer, font, lty, lwd,
3: graphical parameter "type" is obsolete in: title(main, sub, xlab, ylab,
line, outer, ...)
4: graphical parameter "type" is obsolete in: axis(side, at, labels, tick,
line, pos, outer, font, lty, lwd,

I tried to plot a line graph from a text file with two columns. Some how R
won't plot the data as lines, and it kept giving me the same warning: "type"
is obsolete. What does this mean? Am I doing something wrong, or is the
parameter really obsolete, or do I need install some package?

Thanks,

Tom

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