Functions and Formulas

AHP

ahpMean

returns mean importances for each customer group compatible to a QFD0 matrix

Collection ahpMean(Collection ahpimportance, Collection customergroup)

Parameters

ahpimportance :	is the table of importances for each respondent, calculated by ahp
customergroup :	is a table column containing the customer group for each respondent

consistencyRatio

computes the consistency ratio

Collection consistencyRatio(Collection matrix, Collection importance, Collection ri=nothing)

Parameters

matrix :	is the ahp matrix
importance :	is the vector containing the importance in group for the ahp
ri :

pairedComparison

Returns the result of a paired comparison. The result is calculated as the Eigenvector corresponding to the largest Eigenvalue of the matrix.

Collection pairedComparison(Collection matrix)

Parameters

matrix :

The matrix containing the comparisons. Must be a reciprocal matrix with 1's on the diagonal. Use mirrorInv() to create a reciprocal matrix from an upper or lower triangular matrix.

spectralRadius

Returns the spectral radius of the comparison matrix. The spectral radius is the largest Eigenvalue of the comparison matrix.

Collection spectralRadius(Collection matrix)

Parameters

matrix :

The matrix containing the comparisons. Must be a reciprocal matrix with 1's on the diagonal. Use mirrorInv() to create a reciprocal matrix from an upper or lower triangular matrix.

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