[R] problem with abline and lines

Martin Ivanov tramni at abv.bg
Mon Mar 22 12:13:39 CET 2010

 Dear R users,

I need to plot to perpendicular straight lines. However, although I set the coefficients 
so that the lines are perpendicular, they do not look to be so in the plot. Here is a minimal working example:
plot(x=c(-1, 1), y=c(-1, 1)); abline(a=0, b=1/sqrt(2)); abline(a=0, b=-1/sqrt(2))

Please tell me if the same problem is valid by you. I am running R-2.10.1 on Linux.

Is there a way out of this?



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