Sampling from the zombie posterior
Again pars contains the data frame representing the posterior zombie IQ distribution you calculated earlier. The code draws sample_indices: a sample of row numbers (a.k.a. indices) from the posterior. Now, let's sample from pars to calculate some new measures!
Bu egzersiz, kursun bir parçasıdır
Fundamentals of Bayesian Data Analysis in R
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
head(pars)
sample_indices <- sample( nrow(pars), size = 10000,
replace = TRUE, prob = pars$probability)
head(sample_indices)
# Sample from pars to calculate some new measures
pars_sample <- ___