AL | R Documentation |
The dataset is a subset of the longitudinal cohort of Washington University (WU) Alzheimer's Disease Research Center (ADRC). In the AL dataset, measurements of 12 neuropsychological markers were collected on 108 independent individuals of age 75. The individuals were classified into 3 groups based on published clinical demential rating (CDR).
data(AL)
A data frame with 108 observations on the following 12 variables.
ktemp. a numeric vector, measurements on the neuropsychometric test for “temporal factor”.
kpar. a numeric vector, measurements on the neuropsychometric test for “parietal factor”.
kfront. a numeric vector, measurements on the neuropsychometric test for “frontal factor”.
zpsy005. a numeric vector, measurements on the neuropsychometric test for “digital span forward”.
zpsy006. a numeric vector, measurements on the neuropsychometric test for “digital span backward”.
zinfo. a numeric vector, measurements on the neuropsychometric test for “information”.
zbentc. a numeric vector, measurements on the neuropsychometric test for “visual retention (10s)”.
zbentd. a numeric vector, measurements on the neuropsychometric test for “visual retention (copy)”.
zboston. a numeric vector,a numeric vector, measurements on the neuropsychometric test for “boston naming”.
zmentcon. a numeric vector,measurements on the neuropsychometric test for “mental control”.
zworflu. a numeric vector,measurements on the neuropsychometric test for “word fluency”.
zassc. a numeric vector,measurements on the neuropsychometric test for “associate learning”.
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