[Retracted] Machine Learning Model and Statistical Methods for COVID-19 Evolution Prediction

Table 1

Summary of the model.

Conditions	Growing technique	CHAID
	Dependent variable	Death
	Independent variables	New_cases, domestic general government health expenditure per capita, PPP (present international $), joblessness, youth total (% of the total workforce aged 15-24) (modeled ILO estimate), real GDP growth (annual percent change), projected old-age dependency ratio per 100 persons
	Validation	None
	Maximum depth	3
	Lowest number of cases in parent node	100
	Lowest number of cases in child node	50
Results	Independent variables included	New cases, projected old-age dependency ratio per 100 persons
	No. of nodes	8
	No. of terminal nodes	5
	Depth	2