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+% model_pca.tex
+%
+% Copyright (C) 2012 Jaakko Luttinen
+%
+% This file may be distributed and/or modified
+%
+% 1. under the LaTeX Project Public License and/or
+% 2. under the GNU General Public License.
+%
+% See the files LICENSE_LPPL and LICENSE_GPL for more details.
+
+% PCA model
+
+%\beginpgfgraphicnamed{model-pca}
+\begin{tikzpicture}
+
+ % Define nodes
+ \node[obs] (y) {$y$};
+ \node[latent, above=of y, xshift=-1.2cm] (w) {$\mathbf{w}$};
+ \node[latent, above=of y, xshift=1.2cm] (x) {$\mathbf{x}$};
+ \node[latent, right=2cm of y] (t) {$\tau$};
+
+ % Connect the nodes
+ \edge {x,w,t} {y} ; %
+
+ % Plates
+ \plate {yx} {(x)(y)} {$N$} ;
+ \plate {} {(w)(y)(yx.north west)(yx.south west)} {$M$} ;
+
+\end{tikzpicture}
+%\endpgfgraphicnamed
+
+%%% Local Variables:
+%%% mode: tex-pdf
+%%% TeX-master: "example"
+%%% End: