Description Usage Arguments Value Author(s) See Also Examples
Plot the histogram of the observations and the fitted density of a mixture of exponentials.
1 2 | plotmix.exp(x, theta, hist = 1, comp = TRUE, k = 20, h = 1, main = "",
xlab = "Observations", ylab = "")
|
x |
data, can be either a vector or a matrix with the 1st column being the observed values and the 2nd column being the corresponding frequencies. |
theta |
parameter values, output of emtest.exp or pmle.exp, or a vector of parameter values, include mixing proportions and component parameters. |
hist |
style of histogram. hist = 0,1,2 are permitted. hist = 0 means no histogram, hist = 1,2 give two styles, default value: hist = 1. |
comp |
a parameter specifies the form of the component densities in the graph. comp = T switches on the component densities in the graph. If comp = F, no component densities will be included. default value: comp = T. |
k |
number of bins for the histogram, default value: k = 20. |
h |
a number between 0 and 1, specifying the height of the density function, default value: h = 1 (complete density function). |
main |
title of graph, default value: main = "". |
xlab |
label of x-axis, default value: xlab = "Observations". |
ylab |
label of y-axis, default value: ylab = "". |
Return the histogram of observations and the plot of the fitted density.
Shaoting Li, Jiahua Chen and Pengfei Li
emtest.exp, pmle,exp, rmix.exp
1 2 3 4 5 6 | #load the lengthofstay data set,
#fit a 2 compoent exponential mixture model,
#plot the histogram of the observations and the fitted density.
data(lengthofstay)
out <- pmle.exp(lengthofstay,2)
plotmix.exp(lengthofstay,out)
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