When I use R's curve()
function, is there a way to force it to use the same scale on the X and the Y axis?
For example, consider this R code
mean <- 5
variance <- 0.05
curve(exp((((x - mean) / variance)^2) * -0.5), mean - 2, mean + 2)
This will give me this plot:
As you can see, the X axis and the Y axis use different scales. How can I fix this?
Note: I know I can manually specify the range of the Y axis (via ylim=
) but I'd rather not use this (as this would require adopting it whenever the function changes).
You want the asp
plotting parameter, for aspect ratio. Set asp = 1
in the call to curve()
:
mean <- 5
variance <- 0.05
curve(exp((((x - mean) / variance)^2) * -0.5), mean - 2, mean + 2, asp = 1)
That will do it.
It is not quite perfect if you want xlim == ylim
or if you want better labelling of the axes, but asp
gets the same scale on both axes.
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