A data frame of posterior probabilities for the questioned document
Arguments
analysis
The output of analyze_questioned_documents(). If more than
one questioned document was analyzed with this function, then the data frame
analysis$posterior_probabilities lists the posterior probabilities for all
questioned documents. get_posterior_probabilities() creates a data frame of the
posterior probabilities for a single questioned document and sorts the known writers
from the most likely to least likely to have written the questioned document.