glminit.htm

来自「这是包含pca和ppca等诸多源程序的工具箱」· HTM 代码 · 共 49 行

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<html><head><title>Netlab Reference Manual glminit</title></head><body><H1> glminit</H1><h2>Purpose</h2>Initialise the weights in a generalized linear model.<p><h2>Synopsis</h2><PRE>net = glminit(net, prior)</PRE><p><h2>Description</h2><p><CODE>net = glminit(net, prior)</CODE> takes a generalized linear model<CODE>net</CODE> and sets the weights and biases by sampling from a Gaussiandistribution. If <CODE>prior</CODE> is a scalar, then all of the parameters(weights and biases) are sampled from a single isotropic Gaussian withinverse variance equal to <CODE>prior</CODE>. If <CODE>prior</CODE> is a datastructure similar to that in <CODE>mlpprior</CODE> but for a single layer ofweights, then the parametersare sampled from multiple Gaussians according to their groupings(defined by the <CODE>index</CODE> field) with corresponding variances(defined by the <CODE>alpha</CODE> field).<p><h2>See Also</h2><CODE><a href="glm.htm">glm</a></CODE>, <CODE><a href="glmpak.htm">glmpak</a></CODE>, <CODE><a href="glmunpak.htm">glmunpak</a></CODE>, <CODE><a href="mlpinit.htm">mlpinit</a></CODE>, <CODE><a href="mlpprior.htm">mlpprior</a></CODE><hr><b>Pages:</b><a href="index.htm">Index</a><hr><p>Copyright (c) Ian T Nabney (1996-9)</body></html>

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