[R] Error in curve 'expr' did not evaluate to an object of length 'n'

[Allan Tanaka]

Please help. I try to re-produce R-script by plotting a set of functionWhen i running code: plot(Vectorize(running.acf.max))it gets the error message like this: Error in curve(expr = x, from = from, to = to, xlim = xlim, ylab = ylab,  :   'expr' did not evaluate to an object of length 'n'
Even though i have vectorized the function argument.
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