FFTrees                 Main function to create and apply
                        fast-and-frugal trees (FFTs)
FFTrees.guide           Open the *FFTrees* package guide
add_fft_df              Add an FFT definition to tree definitions
add_nodes               Add nodes to an FFT definition
add_stats               Add decision statistics to data (based on
                        frequency counts of a 2x2 matrix of
                        classification outcomes)
blood                   Blood donation data
breastcancer            Breast cancer data
car                     Car acceptability data
classtable              Compute classification statistics for binary
                        prediction and criterion (e.g.; truth) vectors
contraceptive           Contraceptive use data
creditapproval          Credit approval data
describe_data           Describe data
drop_nodes              Drop a node from an FFT definition
edit_nodes              Edit nodes in an FFT definition
fact_clean              Clean factor variables in prediction data
fertility               Fertility data
fftrees_cuerank         Calculate thresholds that optimize some
                        statistic (goal) for cues in data
fftrees_ffttowords      Describe a fast-and-frugal tree (FFT) in words
fftrees_grow_fan        Grow fast-and-frugal trees (FFTs) using the
                        'fan' algorithms
fftrees_ranktrees       Rank FFTs by current goal
fftrees_threshold_factor_grid
                        Perform a grid search over factor and return
                        accuracy statistics for a given factor cue
fftrees_threshold_numeric_grid
                        Perform a grid search over thresholds and
                        return accuracy statistics for a given numeric
                        cue
fftrees_wordstofftrees
                        Convert a verbal description of an FFT into an
                        'FFTrees' object
flip_exits              Flip exits in an FFT definition
forestfires             Forest fires data
get_best_tree           Select the best tree (from current set of FFTs)
get_exit_type           Get exit type (from a vector 'x' of FFT exit
                        descriptions)
get_fft_df              Get FFT definitions (from an 'FFTrees' object
                        'x')
heart.cost              Cue costs for the 'heartdisease' data
heart.test              Heart disease testing data
heart.train             Heart disease training data
heartdisease            Heart disease data
inwords                 Provide a verbal description of an FFT
iris.v                  Iris data
mushrooms               Mushrooms data
plot.FFTrees            Plot an 'FFTrees' object
predict.FFTrees         Predict classification outcomes or
                        probabilities from data
print.FFTrees           Print basic information of fast-and-frugal
                        trees (FFTs)
read_fft_df             Read an FFT definition from tree definitions
reorder_nodes           Reorder nodes in an FFT definition
select_nodes            Select nodes from an FFT definition
showcues                Visualize cue accuracies (as points in ROC
                        space)
sonar                   Sonar data
summary.FFTrees         Summarize an 'FFTrees' object
titanic                 Titanic survival data
voting                  Voting data
wine                    Wine tasting data
write_fft_df            Write an FFT definition to tree definitions
