Univariate_CGF_plot: Graphical plots to assess multivariate univarite assumption of data.
Description
Plots the empirical third/fourth derivatives of cumulant generating function
together with confidence probability region.
Indication of non-normality is either violation of probability bands or
curves with high slope.
Usage
dhCGF_plot1D(x, alpha = 0.05, method)
Value
Plots
Arguments
x
Univariate data
alpha
Significant level (default is \(.05\))
method
string, "T3" used the third derivatives,
and "T4" uses the fourth derivatives.