onsider the following confusion matrix for 5 variables       Predicted      A’   B’  C’   D’  E’ Actual A  25  5    2  10   7 B  3   32   4  16   2 C  1    0   15  4    6

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.