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Communalities in Exploratory Factor Anaysis in SPSS

 

Communalities

When we talk about communalities, we are interested in the amount of original information contained in each variable that can be extracted from a common factor. That is, the higher the communality (closer to 1) the larger the amount of information that will be extracted. A good way to measure factor analysis is to have a communality of at least 0.40. By default, the initial value of communality for each variable is 1.00 or 100% because at the beginning of the factor analysis, none of this information has been extracted.

From the result, the minimum amount of information is 56.6% by PEU3 ( It is easy to add or edit information in Wikipedia) indicating 43.4% loss of information.

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