On Sat, 25 Apr 2020 19:02:59 +0000 (UTC)
varin sacha via R-help <r-help@r-project.org> wrote:
> plot(function(d)
> k*exp(-0.5*(d-m)^2/sd^2),col=2,add=TRUE,xlim=range(d))
Remove the `add=TRUE` or calculate the values manually and you'll see
that the function value is zero because the values in `d` are too big
compared to `m` (where the function peak is). Compare your result to the
following:
plot(
function(d) k*exp(-0.5*(d-m)^2/sd^2),
xlim = m + 3*sd * c(-1,+1)
)
Your parameters don't quite fit the observed values.
--
Best regards,
Ivan
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