Plotting Binomial Distribution

Description

Here, we will use R to plot a binomial distribution. For a given n and p, we use the command dbinom to produce a range of binomial probabilities from to n (in r, a range of numbers from a tp b, inclusively, is defined using a:b). We then use the plot command to automatically produce a scatter plot of the probabilities.

Sage Cell

Code

n = 40
p = 0.50
plot(x=0:n, y=dbinom(0:n, n, p))

Options

Plotting probabilities as ln(p)

By setting the log property to TRUE, we can plot probability p as ln(p).

Code

n = 40
p = 0.50
plot(x=0:n, y=dbinom(0:n, n, p, log = TRUE))

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Date: 16 Apr 2019 16:13

Submitted by: Zane Corbiere

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