Fundamentally, the "big picture" of linear algebra is that of linear transformations. The application of it to solving systems of equations is a convenient introductory point.

Journal of the Royal Statistical Society. Series B (Statistical Methodology), Vol. 76, No. 2 (MARCH 2014), pp. 349-372 (24 pages) The paper considers in the high dimensional setting a canonical ...

We consider the problem of estimating the regression coefficients in a competing risks model, where the relationship between the cause-specific hazard for the cause of interest and covariates is ...