SSCP matrix function
Description
SSCP(A) Sums of squares and cross-products. Returns a square matrix having as many rows (and columns) as the argument has columns. The diagonal values are sums of squares and the off-diagonal values are sums of cross products. SSCP(A) equals A′A (for A′ see TRANS function above).
Calculator
See also
Recommended book
Matrix Algebra Useful for Statistics
Shayle R. Searle, Andre I. Khuri
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This book addresses matrix algebra that is useful in the statistical analysis of data as well as within statistics as a whole. The material is presented in an explanatory style rather than a formal theorem-proof format and is self-contained.