[ 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