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Brain Health Registry (BHR) MEMTRAX data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(BHR_MEMTRAX)

Format

A data frame with 1422 observations and 32 variables.

Details

  • ORIGPROT character Original study protocol , with options: ADNIGO, ADNI2, ADNI3, ADNI1

  • RID character Participant roster ID

  • PTID character Subject code obtained from the CogState Brief Battery CRF report

  • Timepoint character

  • CollectedDateTime POSIXct: YYY-MM-DD

  • CollectedDate_DRVD Date: YYY-MM-DD

  • latest numeric Range value: 0, ..., 1

  • ResultDate POSIXct: YYY-MM-DD

  • Result numeric Range value: 1, ..., 3

  • OrderSet numeric Range value: 1, ..., 4

  • TotalImages numeric Range value: 49, ..., 50

  • UniqueImages numeric Range value: 24, ..., 25

  • RepeatImages numeric Range value: 25, ..., 25

  • CorrectN numeric Range value: 7, ..., 50

  • CorrectPCT numeric Range value: 0.14, ..., 1

  • IncorrectN numeric Range value: 0, ..., 42

  • IncorrectPCT numeric Range value: 0, ..., 0.86

  • CorrectRejectionsN numeric Range value: 1, ..., 25

  • CorrectRejectionsPCT numeric Range value: 0.08, ..., 1

  • IncorrectRejectionsN numeric Range value: 0, ..., 25

  • IncorrectRejectionsPCT numeric Range value: 0, ..., 1

  • TotalRejectionsN numeric Range value: 4, ..., 50

  • TotalRejectionsPCT numeric Range value: 0.08, ..., 1

  • CorrectResponsesN numeric Range value: 0, ..., 25

  • CorrectResponsesPCT numeric Range value: 0, ..., 1

  • CorrectResponsesRT numeric Range value: 0, ..., 2.207

  • IncorrectResponsesN numeric Range value: 0, ..., 21

  • IncorrectResponsesPCT numeric Range value: 0, ..., 0.9

  • IncorrectResponsesRT numeric Range value: 0, ..., 2.989

  • TotalResponsesN numeric Range value: 0, ..., 46

  • TotalResponsesPCT numeric Range value: 0, ..., 0.92

  • update_stamp POSIXct: YYY-MM-DD