e(<span class="string">'linregPostPredBayes'</span>)
</pre><img vspace="5" hspace="5" src="linregPostPredDemo_02.png" alt=""> <h2>Plot samples from posterior predictive<a name="4"></a></h2><pre class="codeinput">S = 10;
ws = gaussSample(struct(<span class="string">'mu'</span>, model.wN, <span class="string">'Sigma'</span>, model.VN), S);
figure;
hold <span class="string">on</span>;
plot(xtrain,ytrain, <span class="string">'ro'</span>, <span class="string">'markersize'</span>, 14, <span class="string">'linew