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Table 2 Structure of the model in model 3

From: Risk estimation using probability machines

Stratum

1

2

3

4

5

6

7

8

X 1

0

1

0

0

1

1

0

1

X 2

0

0

1

0

1

0

1

1

X 3

0

0

0

1

0

1

1

1

Probability

0.300

0.176

0.563

0.391

0.563

0.096

0.794

0.836

  1. We define 8 strata based on combinations of 3 binary predictors X1, X2 and X3. The conditional probability of success of the outcome Y for each of these strata is given in the table. Outcomes Y are simulated within each stratum using a binomial random number generator with probability of success given in the table.