Classification and Regression Trees on Aggregate Data Modeling: An Application in Acute Myocardial Infarction

Table 3

Sample of patient records.

Patient	Hospital	Age	Smoker
Patient1	Hospital 1	74	heavy
Patient2	Hospital 1	78	light
Patient3	Hospital 2	69	no
Patient4	Hospital 2	73	heavy
Patient5	Hospital 2	80	light
Patient6	Hospital 1	70	heavy
Patient7	Hospital 1	82	heavy
Patient8	Hospital 3	76	no
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