In the times when my life did improve, a major obstacle lifted out in 1967, 1980, and 1990. I’d like a time when my life improved from better conditions.

card., which causes me to clean up the clutter.
I began an econometric class, which is really a simplified course in statistics. It goes further than the quantitative business from long ago., and my desperate meeting with Russell Smith in 1978.

I was going through fintech, which has a use for linear algebra. Covariances seem to have a place in a matrix.