Читать книгу Applied Biostatistics for the Health Sciences - Richard J. Rossi - Страница 39
1.4.3 Coronary Heart Disease Data Set
ОглавлениеThe Coronary Heart Disease data set consists of 100 observations on patients who were selected in a study on the relationship between the age and the presence of coronary heart disease. The variables included in this data set are summarized in Table 1.3.
Table 1.3 A Description of the Variables in the Coronary Heart Disease Data Set
| Variable | Description | Codes/Values | Name |
|---|---|---|---|
| 1 | Identification code | ID number | ID |
| 2 | Age in years | Years | Age |
| 3 | Coronary heart disease | 0 = Absent | CHD |
| 1 = Present |