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Table 2 Strategy for the categorical transformations in three classes: values of the cutpoints ( c k 1 and c k 2 ) for all transformations

From: Correction of the significance level when attempting multiple transformations of an explanatory variable in generalized linear models

Number of transformations

c k 1

c k 2

1

q 1/3

q 2/3

2

q 1/4

q 3/4

3

q 1/4

q 1/2

4

q 1/2

q 3/4

5

q 2/5

q 4/5

6

q 1/5

q 3/5

7

q 3/5

q 4/5

8

q 1/5

q 2/5

9

q 1/5

q 4/5

10

q 2/5

q 3/5