Cogstate Brief Battery data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/
Usage
data(CBBCOMP)Details
ORIGPROT character Original study protocol , with options: ADNI2, ADNI1, ADNIGO, ADNI3
COLPROT factor Study protocol of data collection , with levels: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4
PTID character Participant ID
RID numeric Range value: 2, ..., 7125
VISCODE character
VISCODE2 character Translated visit code
VISDATE Assessment EXAMDATE when present; otherwise Registry EXAMDATE Date: YYY-MM-DD
DONE character Was assessment/procedure done?
ADNI2: 1=Yes ; 0=No
ADNI3: 0=No ; 1=Yes
Decoded Value: Yes
NDREASON character If No, reason not done: 1=Participant Unable for Cognitive Reasons ; 2=Participant Unable for Other Reasons (Physical, auditory, etc.) ; 3=Participant/Study Partner Refused ; 4=Equipment/Technical related issue ; 7=Site Error ; 8=Other Reason ; 9=Unknown Decoded Value: Yes
ID numeric Range value: 8, ..., 187115
SITEID numeric Range value: 1, ..., 63
USERDATE Date: YYY-MM-DD
USERDATE2 Date: YYY-MM-DD
update_stamp POSIXct: YYY-MM-DD