tectonicr (version 0.4.0)

vm_qqplot: von Mises Quantile-Quantile Plot

Description

Produces a Q-Q plot of the data against a specified von Mises distribution to graphically assess the goodness of fit of the model.

Usage

vm_qqplot(
  x,
  w = NULL,
  axial = TRUE,
  mean = NULL,
  kappa = NULL,
  xlab = "von Mises quantile function",
  ylab = "Empirical quantile function",
  main = "von Mises Q-Q Plot",
  ...
)

Value

plot

Arguments

x

numeric. Angles in degrees

w

numeric. optional weightings for x to estimate mean and kappa.

axial

Logical. Whether data are uniaxial (axial=FALSE)

mean

numeric. Circular mean of the von Mises distribution. If NULL, it will be estimated from x.

kappa

numeric. Concentration parameter of the von Mises distribution. If NULL, it will be estimated from x.

xlab, ylab, main

plot labels.

...

graphical parameters

Examples

x_vm <- rvm(100, mean = 0, kappa = 4)
vm_qqplot(x_vm, axial = FALSE, pch = 20)

x_unif <- runif(100, 0, 360)
vm_qqplot(x_unif, axial = FALSE, pch = 20)