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. 2013 Jun 24;8(6):e67410. doi: 10.1371/journal.pone.0067410

Figure 1. Graphical models representing approaches.

Figure 1

(a) A general Latent Factor Model (LFM). The random variables Inline graphic, Inline graphic and Inline graphic are highly related variables (left) and an assumption that these related random variables originate from a common, true but unknown variable Inline graphic results a bayesian network (right) in case of networks Inline graphic is the true but unknown network. (b) A generalized view of a Noisy-OR model showing the relation between causes Inline graphic and effect Inline graphic through a Noisy-OR function.