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What basic issues need to be examined when using multivariate analysis?

What basic issues need to be examined when using multivariate analysis?

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Answer #1

Basic issues to be examined when using mutivariate analysis:

(1) The variables should follow Multivariate Normal Distribution.

(2) Variables should have least measurement error.

(3) Non-linear model is to be incorporated when its use is justified.

(4) Interaction variables should be specified when their use is justified.

(5) Relevant variables should not be omitted from the model.

(6) Irrelevant variables should not be included in the model.

(7) Effects of collinearity should be studied before the multivariate analysis.

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