Regularisation on The Standard Errorhttps://jongha-jeon-dev.github.io/standarderror/tags/regularisation/Recent content in Regularisation on The Standard ErrorHugo -- 0.123.7en-gbThu, 08 Oct 2026 00:00:00 +0000Linear Algebra 5: What Ridge Does to the Geometryhttps://jongha-jeon-dev.github.io/standarderror/lectures/linear-algebra-5-ridge-geometry/Tue, 01 Sep 2026 00:00:00 +0000https://jongha-jeon-dev.github.io/standarderror/lectures/linear-algebra-5-ridge-geometry/Every variance inflation factor at 1.00 on a design with a condition number near a billion, a cross-validated ridge fit that spends 3.6 of its 9 parameters, and a nominal 95 percent interval that covers 34 percent.ML 7: Change a Feature's Units and the Lasso Changes Its Mindhttps://jongha-jeon-dev.github.io/standarderror/lectures/ml-7-units/Thu, 08 Oct 2026 00:00:00 +0000https://jongha-jeon-dev.github.io/standarderror/lectures/ml-7-units/A penalty strength is taught as a property of the model. A lasso penalty is a price per unit of coefficient, so a feature's units decide what it pays - and whether it stays.