Data sets/importing data

beans

Preferred Bean Varieties in Nicaragua

nascar

Results from 2002 NASCAR Season

pudding

Paired Comparisons of Chocolate Pudding

read.soc() read.soi() read.toc() read.toi() as.aggregated_rankings(<preflib>)

Read Preflib Election Data Files

Handling orderings

complete()

Complete Orderings with the Missing Redundant Rank

decode()

Decode Orderings using a Key to Item Names

Handling rankings

adjacency()

Create an Adjacency Matrix for a set of Rankings

aggregate(<rankings>) as.aggregated_rankings() `[`(<aggregated_rankings>) freq()

Aggregate Rankings

choices()

Choices Object

connectivity()

Check Connectivity of Rankings

group() as.grouped_rankings() `[`(<grouped_rankings>) format(<grouped_rankings>)

Group Rankings

rankings() as.rankings() `[`(<rankings>) format(<rankings>)

Rankings Object

Model Fitting

PlackettLuce()

Fit a Plackett-Luce Model

pltree()

Plackett-Luce Trees

Model Summary

coef(<PlackettLuce>) summary(<PlackettLuce>) vcov(<PlackettLuce>)

Plackett-Luce Model Summaries

coef(<pltree>) vcov(<pltree>) AIC(<pltree>) predict(<pltree>)

Plackett-Luce Tree Summaries

fitted(<PlackettLuce>) fitted(<pltree>)

Fitted Probabilities for PlackettLuce Objects

itempar(<PlackettLuce>) itempar(<pltree>)

Extract Item Parameters of Plackett-Luce Models

qvcalc(<PlackettLuce>)

Quasi Variances for Model Coefficients

Other

simulate(<PlackettLuce>)

Simulate from PlackettLuce fitted objects