Draw the CDF for a discrete random variable — plot_discrete_cdf • DiscreteDists

Draw the CDF for a discrete random variable

plot_discrete_cdf(x, fx, col = "blue", lwd = 3, ...)

Arguments

x: vector with the values of the random variable \(X\).
fx: vector with the probabilities of \(X\).
col: color for the line.
lwd: line width.
...: further arguments and graphical parameters.

Value

A plot with the cumulative distribution function.

Author

Freddy Hernandez, fhernanb@unal.edu.co

Examples

# Example 1
# for a particular distribution

x <- 1:6
fx <- c(0.19, 0.21, 0.4, 0.12, 0.05, 0.03)
plot_discrete_cdf(x, fx, las=1, main="")


# Example 2
# for a Poisson distribution
x <- 0:10
fx <- dpois(x, lambda=3)
plot_discrete_cdf(x, fx, las=1,
                  main="CDF for Poisson")