/// <include file='FactorDocs.xml' path='factor_docs/message_op_class[@name="StringOfLengthOp"]/message_doc[@name="StrAverageConditional(DiscreteChar, Discrete)"]/*'/>
public static StringDistribution StrAverageConditional(DiscreteChar allowedChars, Discrete length)
{
Argument.CheckIfNotNull(length, "length");
Argument.CheckIfValid(allowedChars.IsPartialUniform(), "allowedChars", "The set of allowed characters must be passed as a partial uniform distribution.");
double logNormalizer = allowedChars.GetLogAverageOf(allowedChars);
var oneCharacter = StringAutomaton.ConstantOnElementLog(logNormalizer, allowedChars.WrappedDistribution);
var manyCharacters = StringAutomaton.Repeat(oneCharacter, length.GetWorkspace());
return(StringDistribution.FromWeightFunction(manyCharacters));
}
