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. 2015 Oct 28;8:612. doi: 10.1186/s13104-015-1561-6

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© Avila et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Multiple indicators and multiple causes (MIMIC) models. η, represent the construct; y_i, the observable reflective indicators; λ, the coefficients linking the construct η to the reflective indicators y_i; ε, the error term for y_i; x_i, the observable formative indicators; ϒ_i, the coefficients indicating the contribution of x_i to the construct η; ζ, the disturbance term; r, the correlations between x_i