preqpp

var (
	// SummedCollectionQuerySimilarity (CQS) combines the collection term frequencies (cf (w)) and inverse document
	// frequency (idf (w)). The summed collection query similarity (SCQS) is a QPP in a family of predictors, much like how
	// idf can be summarised and used as a predictor
	SummedCollectionQuerySimilarity = summedCollectionQuerySimilarity{}
	// MaxCollectionQuerySimilarity is similar to SummedCollectionQuerySimilarity except, as the name implies, it computes
	// the maximum value rather than the sum.
	MaxCollectionQuerySimilarity = maxCollectionQuerySimilarity{}
	//AverageCollectionQuerySimilarity NOT IMPLEMENTED.
	AverageCollectionQuerySimilarity = averageCollectionQuerySimilarity{}
)

var (
	// AvgIDF is the average IDF.
	AvgIDF = avgIDF{}
	// SumIDF is the sum IDF.
	SumIDF = sumIDF{}
	// MaxIDF is the maximum IDF.
	MaxIDF = maxIDF{}
	// StdDevIDF is the standard deviation of the IDF.
	StdDevIDF = stdDevIDF{}
)

var AvgICTF = avgICTF{}

var QueryScope = queryScope{}

var RetrievalSize = retrievalSize{}

var SimplifiedClarityScore = simplifiedClarityScore{}