Projects > Discovery Challenge 2004 > Data set > Control


Control examination – a survey of attributes

Risk factors and clinical demonstration of atherosclerosis have been followed during the control examination for the duration of 20 years. Values of 66 attributes have been recorded for each one. Values of attributes are either codes or results of measurements of different variables size. All values of all attributes are stored in the data matrix Contr. Attributes can be divided into the subgroups according to the Table 1.

Table 1: Groups of attributes in the control examination
Group of attributesNumber of attributes
identification data 4
patient's changes since the last examination 8
sickness leave 6
A2 questionnaire 28
physical examination 10
biochemical examination 10

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Projects > Discovery Challenge 2004 > Data set > Control


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