Beta.gfx.poly.cdf

0th

Percentile

Coordinate Generation for Marking an Area Under the Curve for the Beta Cumulative Probability Density Distribution.

Plotting tool, producing a two-column matrix with values of y corresponding to locations on x. Useful for shading areas under the curve when tracing the line for the Standard Beta cumulative probability function.

Usage
Beta.gfx.poly.cdf(from, to, by, alpha, beta, l = 0, u = 1)
Arguments
from

The point of the x-axis from where to start producing y-density values.

to

The point of the x-axis to where y-density values are to be produced.

by

The resolution (or spacing) at which to produce y-density values.

alpha

The Alpha shape-parameter value for the Standard Beta cumulative probability distribution.

beta

The Beta shape-parameter for the Standard Beta cumulative probability distribution.

l

The lower-bound location parameter of the Beta distribution.

u

The upper-bound location parameter of the Beta distribution.

Value

A two-column matrix with cumulative probability-values of y to plot against corresponding location values of x.

Aliases
  • Beta.gfx.poly.cdf
Examples
# NOT RUN {
# To box in an area under a four-parameter Beta cumulative distribution with
# location parameters l = .25 and u = 75, and shape parameters
# alpha = 5 and beta = 3, from .4 to .6:
plot(NULL, xlim = c(0, 1), ylim = c(0, 1))
coords <- Beta.gfx.poly.cdf(from = .4, to = .6, by = .001, alpha = 5,
beta = 3, l = .25, u = .75)
polygon(coords)
# }
Documentation reproduced from package betafunctions, version 1.4.0, License: CC0

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