Chapter 18 Model building
Let’s use some classification algorithms to model the flight data. We start by building some models using the parsnip
package:
18.1 Logistic regression
<-
lr_mod logistic_reg() %>%
set_engine("glm")
18.2 Decision tree
<-
dt_mod decision_tree() %>%
set_engine("C5.0") %>%
set_mode("classification")
18.3 Random forest
<-
rf_mod rand_forest() %>%
set_engine("ranger") %>%
set_mode("classification")
18.4 Boosted tree (XGBoost)
#install.packages("xgboost")
<-
xgb_mod boost_tree() %>%
set_engine("xgboost") %>%
set_mode("classification")