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C# Discrete.GetLogProb方法代码示例

本文整理汇总了C#中Discrete.GetLogProb方法的典型用法代码示例。如果您正苦于以下问题:C# Discrete.GetLogProb方法的具体用法?C# Discrete.GetLogProb怎么用?C# Discrete.GetLogProb使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Discrete的用法示例。


在下文中一共展示了Discrete.GetLogProb方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: LogAverageFactor

		/// <summary>
		/// Evidence message for EP
		/// </summary>
		/// <param name="sample">Constant value for 'sample'.</param>
		/// <param name="p">Incoming message from 'p'.</param>
		/// <param name="trialCount">Incoming message from 'trialCount'.</param>
		/// <returns>Logarithm of the factor's average value across the given argument distributions</returns>
		/// <remarks><para>
		/// The formula for the result is <c>log(sum_(p,trialCount) p(p,trialCount) factor(sample,trialCount,p))</c>.
		/// </para></remarks>
		public static double LogAverageFactor(int sample, Beta p, Discrete trialCount)
		{
			double logZ = Double.NegativeInfinity;
			for (int n = 0; n < trialCount.Dimension; n++)
			{
				logZ = MMath.LogSumExp(logZ, trialCount.GetLogProb(n) + LogAverageFactor(sample, p, n));
			}
			return logZ;
		}
开发者ID:dtrckd,项目名称:Mixed-Membership-Stochastic-Blockmodel,代码行数:19,代码来源:BinomialOp.cs

示例2: LogAverageFactor

		/// <summary>
		/// Evidence message for EP
		/// </summary>
		/// <param name="sum">Constant value for 'Sum'.</param>
		/// <param name="a">Incoming message from 'A'.</param>
		/// <param name="b">Constant value for 'B'.</param>
		/// <returns>Logarithm of the factor's average value across the given argument distributions</returns>
		/// <remarks><para>
		/// The formula for the result is <c>log(sum_(A) p(A) factor(Sum,A,B))</c>.
		/// </para></remarks>
		public static double LogAverageFactor(int sum, Discrete a, int b)
		{
			if (a.IsPointMass) return LogAverageFactor(sum, a.Point, b);
			int i = sum-b;
			if (i < a.Dimension) return a.GetLogProb(i);
			else return Double.NegativeInfinity;
		}
开发者ID:dtrckd,项目名称:Mixed-Membership-Stochastic-Blockmodel,代码行数:17,代码来源:PlusInt.cs


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