step_embed              Encoding Factors into Multiple Columns
step_lencode_bayes      Supervised Factor Conversions into Linear
                        Functions using Bayesian Likelihood Encodings
step_lencode_glm        Supervised Factor Conversions into Linear
                        Functions using Likelihood Encodings
step_lencode_mixed      Supervised Factor Conversions into Linear
                        Functions using Bayesian Likelihood Encodings
