/// <summary>VMP message to <c>sample</c>.</summary> /// <param name="probTrue">Constant value for <c>probTrue</c>.</param> /// <param name="result">Modified to contain the outgoing message.</param> /// <returns> /// <paramref name="result" /> /// </returns> /// <remarks> /// <para>The outgoing message is the factor viewed as a function of <c>sample</c> conditioned on the given values.</para> /// </remarks> public static BernoulliIntegerSubset SampleAverageLogarithm(ISparseList <double> probTrue, BernoulliIntegerSubset result) { Func <double, Bernoulli> f = BernoulliFromBetaOp.SampleAverageLogarithm; result.SetTo(f.Map(probTrue)); return(result); }
/// <summary>VMP message to <c>sample</c>.</summary> /// <param name="probTrue">Incoming message from <c>probTrue</c>. Must be a proper distribution. If any element is uniform, the result will be uniform.</param> /// <param name="result">Modified to contain the outgoing message.</param> /// <returns> /// <paramref name="result" /> /// </returns> /// <remarks> /// <para>The outgoing message is the exponential of the average log-factor value, where the average is over all arguments except <c>sample</c>. The formula is <c>exp(sum_(probTrue) p(probTrue) log(factor(sample,probTrue)))</c>.</para> /// </remarks> /// <exception cref="ImproperMessageException"> /// <paramref name="probTrue" /> is not a proper distribution.</exception> public static BernoulliIntegerSubset SampleAverageLogarithm([SkipIfUniform] SparseBetaList probTrue, BernoulliIntegerSubset result) { Func <Beta, Bernoulli> f = BernoulliFromBetaOp.SampleAverageLogarithm; result.SetTo(f.Map(probTrue)); return(result); }
/// <summary>Gibbs message to <c>sample</c>.</summary> /// <param name="probTrue">Constant value for <c>probTrue</c>.</param> /// <param name="result">Modified to contain the outgoing message.</param> /// <returns> /// <paramref name="result" /> /// </returns> /// <remarks> /// <para>The outgoing message is the factor viewed as a function of <c>sample</c> conditioned on the given values.</para> /// </remarks> public static BernoulliIntegerSubset SampleConditional(ISparseList <double> probTrue, BernoulliIntegerSubset result) { Func <double, Bernoulli> f = BernoulliFromBetaOp.SampleConditional; result.SetTo(f.Map(probTrue)); return(result); }