Package index

Model fitting

chaid()

Fit a CHAID or Exhaustive CHAID decision tree

chaid_control()

Control parameters for CHAID tree growing

Prediction and methods

predict(<chaid>)

Predict from a fitted CHAID tree

print(<chaid>) summary(<chaid>)

Print and summarise a CHAID tree

Tree inspection

chaid_rules()

Extract decision rules from a CHAID tree

chaid_table()

Summary table of CHAID terminal nodes

chaid_importance()

Heuristic variable importance for a CHAID tree

Evaluation

chaid_gains() print(<chaid_gains>) plot(<chaid_gains>)

Gains and lift table for a CHAID tree

chaid_validate() print(<chaid_validation>)

Evaluate a CHAID tree on holdout data

Visualization

plot(<chaid>)

Plot a CHAID tree with base graphics

chaid_dot() print(<chaid_dot>) chaid_graphviz()

Render a CHAID tree as Graphviz DOT

chaid_plotly()

Interactive CHAID tree plot with plotly

Interoperability

chaid_as_party() as.party(<chaid>)

Convert a CHAID tree to a partykit constparty