[ Data Screening || Matrix Algebra with SAS/IML || Regression analysis || General Linear Models || Canonical correlation, Discriminant analysis || Logistic Regression || Factor Analysis || Clustering and scaling || SAS macro programs || Data sets || Programs]

Matrix Algebra with SAS/IML

These tutorial examples use SAS/IML to illustrate various properties of matrix algebra and matrix operations.
imlasn4.sas
Green & Carroll problems
imldet1.sas
Properties of determinants
imldet2.sas
Evaluation of determinants by cofactor expansion and Gaussian elimination.
imleig.sas
Eigenvalues and Eigenvectors; properties of eigenvalues; illustrates the Spectral Decomposition of a matrix.
imleqn.sas
Solution of Systems of Equations. Illustrates consistent & inconsistent equations, and the relation to matrix rank.
imlinv1.sas
Inverse of a matrix: definitions and properties.
imlinv2.sas
Matrix inversion by elementary row operations
imlinv3.sas
Generailzed inverse of a matrix
imlmat1.sas
Basic matrix definitions
imlmat2.sas
Matrix arithmetic: +, -, # (elementwise operations)
imlmat4.sas
Properties of matrix multiplication
imlproj.sas
Projections: Projecting a vector in a vector space, and the Gram-Schmidt process.
imlrank.sas
Matrix rank and linear independence
imlregr.sas
Regression using the SWEEP operator in IML
imlreg1.sas
Regression with IML
imlsscp.sas
Computing Cross product Summary Matrices
imlxmp1.sas
Basic matrix operations in Proc IML
matlib.sas
Some useful IML modules for matrix operations