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2015 ; 1
(1
): 1-9
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
A Review of Graphical Approaches to Common Statistical Analyses: The Omnipresence
of Latent Variables in Statistics
#MMPMID26688834
Coman EN
; Suggs LS
; Coman MA
; Iordache E
; Fifield J
Int J Clin Biostat Biom
2015[]; 1
(1
): 1-9
PMID26688834
show ga
We provide a comprehensive review of simple and advanced statistical analyses
using an intuitive visual approach explicitly modeling Latent Variables (LV).
This method can better illuminate what is assumed in each analytical method and
what is actually estimated, by translating the causal relationships embedded in
the graphical models in equation form. We recommend the graphical display rooted
in the century old path analysis, that details all parameters of each statistical
model, and suggest labeling that clarifies what is given vs. what is estimated.
We link in the process classical and modern analyses under the encompassing
broader umbrella of Generalized Latent Variable Modeling, and demonstrate that
LVs are omnipresent in all statistical approaches, yet until directly 'seeing'
them in visual graphical displays, they are unnecessarily overlooked. The
advantages of directly modeling LVs are shown with examples of analyses from the
ActiveS intervention designed to increase physical activity.