Table 1.

General statistics of the datasets before pre-processing.

Name of the Dataset	# of Items	# of Participants	# Data Examples	Any Missing Values
ADNIMERGE	113	2260	14,627	Diagnostic Class (DX): 4243
ADAS-Cog	121	1751	6770	100 missing values: 91 across ADAS tasks and 9 in VISCODE2 attribute