Plots the Poisson likelihood function for variable \(\lambda\) given a vector of Poisson counts y.
plot_poisson_likelihood(y, lambda_upper_bound = 10)
vector of observed Poisson counts
upper bound for lambda values to display on x-axis
a ggplot of Poisson likelihood
plot_poisson_likelihood(y = c(4, 2, 7), lambda_upper_bound = 10)