Can we combine two indices where one indice is constructed using PCA on 5 likert scale while other indice is constructed using PCA on binary scale?

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Béatrice Marianne Ewalds-Kvist

In regression analysis these two indices could be used.

Biswabhusan Bhuyan

Yes You can do.

Peter Samuels

Dear Sunil,

The way you can combine these variables is by saving the regression score rather than by adding the scores on each variable.

Sunil Sangwan

I want to create one construct merging these two indices. And these indices are having different variation...one is variation of 5 scale and other is binary scale. One way is standardisation but if I do that the variation of 5 scale will become too low and same will be with the construct