prod3 {CA3variants} | R Documentation |
The function calculates the products among arrays.
prod3(m, a1, a2, a3)
m |
The original three-way contingency table. |
a1 |
The weight matrix related to the rows of the table. |
a2 |
The weight matrix related to the columns of the table. |
a3 |
The weight matrix related to the tubes of the table. |
It is utilised in standtab
, rstand3
and rstand3delta
in order to weight the
contingency table with respect to the three weigth matrices defined in the row, column and tube spaces
differently for the three variants of three-way correspondence analysis.
The three-way contingency table weighted with respect the suitable weight matrices (depending on the analysis variants).
Rosaria Lombardo, Eric J Beh, Ida Camminatiello.
Beh EJ and Lombardo R (2014). Correspondence Analysis, Theory, Practice and New Strategies. John Wiley & Sons