This is a modified version of
to allow for multiple angles at once (i.e., vectorized on
dwrpnorm2(theta, mu, rho, sd = 1, acc = 1e-05, tol = acc)
value at which to evaluate the density function, measured in radians.
mean direction of distribution, measured in radians.
mean resultant length of distribution.
different way of select rho, see details below.
parameter defining the accuracy of the estimation of the density. Terms are added to the infinite summation that defines the density function until successive estimates are within acc of each other.
the same as acc.
# Values for which to evaluate density theta <- c(1:500) * 2 * pi / 500 # Compute wrapped normal density function density <- c(1:500) for(i in 1:500) density[i] <- dwrpnorm2(theta[i], pi, .75) if (interactive()) plot(theta, density) # Approximate area under density curve sum(density * 2 * pi / 500) #>  1