plot_posterior_density: Plot the density of raw data, point estimates and confidence...
In jesscyzhao/cyrutil: Chunyi Zhao Utilily

Plot the density of raw data, point estimates and confidence interval.

1 2	plot_posterior_density(predictive_sample, dat, plot_name, plot_ci = FALSE, plot_hist = TRUE, legend_pos = "topright", ...)

`predictive_sample:`	the point estimates
`dat:`	raw data
`plot_name:`	name of the plot
`plot_ci:`	boolean, default false, when true, check for additonal arguments to plot the confidence interval
`plot_hist:`	boolean, default true, when true, plot the histogram of raw data.
`legend_pos:`	string, default 'topright', can be changed to 'topleft'.
`lb:`	vector of lowerbound values of CI
`ub:`	vector of upperbound values of CI
`grid:`	vector of grid based on which lb and ub are calculated.
`level:`	str, the confidence level.