Full Rank

https://www.cds.caltech.edu/~murray/amwiki/index.php/FAQ:_What_does_it_mean_for_a_non-square_matrix_to_be_full_rank%3F

#linearlydependent #inverseofamatrix

Linear Regression

Can one point change the regression line significantly?

http://mathlets.org/mathlets/linear-regression/

https://ocw.mit.edu/courses/mathematics/18-05-introduction-to-probability-and-statistics-spring-2014/class-slides/MIT18_05S14_class25slides.pdf

Teach yourself statistics

https://stattrek.com/hypothesis-test/hypothesis-testing.aspx

the hardest thing in data science

https://buckwoody.wordpress.com/2015/12/30/the-hardest-thing-in-data-science/

Why Beautiful Things Make us Happy?

https://www.youtube.com/watch?v=-O5kNPlUV7w