Returns the number of features in an amR pangenome.
getNumFeat(ml_input_tibble)An ML-ready tibble generated by loadMLInputTibble().
This must have a target variable column named either
genome_drug.resistant_phenotype ("Resistant" or "Susceptible "
classification for one bug/drug combination) or resistant_classes
(multi-class classification for determining the drug classes to which each
genome is resistant), but not both.
Number of features