Function reference

Using the Dirichlet-tree model

Functions for creating and working with Dirichlet-tree models.

dirichlet_tree

Create a Dirichlet-tree for modelling ranked ballots

dirtree()

Create a Dirichlet-tree object

update(<dirichlet_tree>)

Update a dirichlet_tree model by observing some ranked ballots.

reset()

Clear the internal state of a dirichlet_tree object.

sample_posterior()

Draw election outcomes from the posterior distribution.

sample_predictive()

Draw ballots from the posterior predictive distribution.

Evaluating social choice function(s).

Functions for evaluating social choice functions on ballots. Currently only IRV and plurality are implemented.

social_choice()

Election Social Choice Functions

DEPRECATED! Reading and writing ranked ballot data

Legacy functions for reading and writing ranked ballot .txt files.

read_ballots()

Read ranked_ballots from a file.

write_ballots()

Write ranked_ballots to a file.

ranked_ballots()

Construct a set of ranked ballots.

`[`(<ranked_ballots>)

Access Subsets of Ballots.