March 2016
Beginner to intermediate
232 pages
12h 12m
English
Content preview from Exploratory Factor Analysis with SASBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Summary
Many of us, even those with years of experience using
EFA, remain unclear on some of the nuances and details of what exactly
is happening “under the hood” when we perform this analysis.
Sticking with the default settings in most modern statistical software
will generally not lead to using best practices. In
PROC
FACTOR, the default method of extraction is actually
not even a method of factor analysis — it’s PCA! This
is a solid choice if you were a psychologist in the 1960s, but in
the 21st century, we can do better. So, pay attention: the extraction
method must be specified in order for a factor analysis to be conducted.
As for which extraction method to use—our examples in this chapter demonstrated that most extraction techniques can ...
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