Regression proof for decomposition of sums of squares
136582
Decomposing total sum of squares
23640
Theory behind partial least squares regression
62513
Proving that the estimate of a mean is a least squares estimator?
57368
Prove that a positive polynomial function can be written as the squares of two polynomial functions
52903
Sum of squares of dependent Gaussian random variables
377
Problem involving many squares and several variables.
24617
Proof of Inequality using AM-GM
121469
Proof of observations on natural numbers being expressed as differences of squares.
7970
Why does the product of the bivariate regression coefficients of the $y$-on-$x$ line and $x$-on-$y$ line equal the square of the correlation?
121047
Proof: Sum of dimension of orthogonal complement and vector subspace
33785
Proof that the coefficients in an OLS model follow a t-distribution with (n-k) degrees of freedom
82198
Proving Convexity of Multivariate Function using Conditional Univariate Convexity
146333
Gaussian proof for the sum of squares?
102630
Approximation algorithms for min vector subset-sum over GF(2)
51671
lower bounding logarithm of sums
91020
Applications of Gauss sums
158317
Understanding Lasso Regression's sparsity geometrically