Multivariate Methods • Multiple Correspondence Analysis • Statistical Details for the Multiple Correspondence Analysis Platform • Details Report
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Details Report
When a simple Correspondence Analysis is performed, the report lists the singular values of the following equation:
where:
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P is the matrix of counts divided by the total frequency
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r and c are the row and column sums of P
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the D matrices are diagonal matrices of the values of r and c
When Multiple Correspondence Analysis is performed, the singular value decomposition extends to the following equation:
where:
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C is the Burt table.
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Q is the number of categorical variables
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n is the number of observations
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1 is a column vector of ones

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Help created on 10/11/2018