########## Modeling data - data clean checks and preps ##########

Meta Data
	Duplicate column names
	Clean column names: janitor::clean_names
		Snake case
		English characters, numbers and underscores only
		Cannot start with digit
	Duplicate row names
	
Data
	Duplicate columns
	Duplicate rows - throw a warning
	Constant columns - zero variance or 1 unique value throughout
		Identical Columns - Almost constant columns
	


########## Actual Data ##########
