Learn R Programming

evidence (version 0.8.10)

Aspirin: A contingency table for heart attacks and aspirin use.

Description

The Physicians health study data cross-classified according to Infarct (heart attack or not) and Group (Placebo or Aspirin).

Usage

data(Aspirin)

Arguments

Format

A 2 by 2 matrix of counts with row names:

Infarct:Yes and Infarct:No,

and column names:

Group:placebo and Group:aspirin.