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Table 1 Summary table of all orthogonalities constraints for the three algorithms

From: Separating common from distinctive variation

 

DISCO

JIVE

O2-PLS

Orthogonalities (k ≠ l)

C k t D k

0

0

0

E k t C k

0

≠0

≠0

E k t D k

0

0

0

C k t D l

0

0

≠0

D k t D l

0

≠0

≠0

E k t C l

0

≠0

≠0

E k t D l

0

≠0

≠0

Characteristics

Fusion

[X 1|X 2]

[X 1|X 2]

X 2 t X 1

First step

Distinctive

Common

Common

Optimization

Distinctive

Common + Distinctive

Common/Distinctive

  1. (0: orthogonal, ≠0: no forced orthogonality)