varPro (version 2.1.0)

alzheimers: Alzheimer's Disease Dataset

Description

Health, lifestyle, and clinical data for 2,149 individuals used for studying Alzheimer's Disease. Variables include demographics, cognitive assessments, medical conditions, and symptoms.

Usage

data(alzheimers)

Format

A data frame with 2,149 observations on the following variables:

Age:

Age in years (60 to 90).

Gender:

Gender (0 = Male, 1 = Female).

Ethnicity:

Ethnicity (0 = Caucasian, 1 = African American, 2 = Asian, 3 = Other).

EducationLevel:

Education level (0 = None, 1 = High School, 2 = Bachelor's, 3 = Higher).

BMI:

Body Mass Index (15 to 40).

Smoking:

Smoking status (0 = No, 1 = Yes).

AlcoholConsumption:

Weekly alcohol consumption in units (0 to 20).

PhysicalActivity:

Weekly physical activity in hours (0 to 10).

DietQuality:

Diet quality score (0 to 10).

SleepQuality:

Sleep quality score (4 to 10).

FamilyHistoryAlzheimers:

Family history of Alzheimer's (0 = No, 1 = Yes).

CardiovascularDisease:

Cardiovascular disease (0 = No, 1 = Yes).

Diabetes:

Diabetes (0 = No, 1 = Yes).

Depression:

Depression (0 = No, 1 = Yes).

HeadInjury:

History of head injury (0 = No, 1 = Yes).

Hypertension:

Hypertension (0 = No, 1 = Yes).

SystolicBP:

Systolic blood pressure (90 to 180 mmHg).

DiastolicBP:

Diastolic blood pressure (60 to 120 mmHg).

CholesterolTotal:

Total cholesterol (150 to 300 mg/dL).

CholesterolLDL:

LDL cholesterol (50 to 200 mg/dL).

CholesterolHDL:

HDL cholesterol (20 to 100 mg/dL).

CholesterolTriglycerides:

Triglycerides (50 to 400 mg/dL).

MMSE:

Mini-Mental State Examination score (0 to 30). Lower is worse.

FunctionalAssessment:

Functional score (0 to 10). Lower is worse.

MemoryComplaints:

Memory complaints (0 = No, 1 = Yes).

BehavioralProblems:

Behavioral problems (0 = No, 1 = Yes).

ADL:

Activities of Daily Living score (0 to 10). Lower is worse.

Confusion:

Presence of confusion (0 = No, 1 = Yes).

Disorientation:

Presence of disorientation (0 = No, 1 = Yes).

PersonalityChanges:

Presence of personality changes (0 = No, 1 = Yes).

DifficultyCompletingTasks:

Difficulty completing tasks (0 = No, 1 = Yes).

Forgetfulness:

Forgetfulness (0 = No, 1 = Yes).

Diagnosis:

Alzheimer's diagnosis (No, Yes).

Details

This dataset is suitable for modeling Alzheimer's risk, performing exploratory analysis, and evaluating statistical and machine learning algorithms. All individuals are uniquely identified and evaluated on a standardized set of clinical and behavioral measures.

Examples

# \donttest{
## load the data
data(alzheimers, package = "varPro")
o <- varpro(Diagnosis~.,alzheimers)
imp <- importance(o)
print(imp)
# }