Linear regression by hand – Data Science Gazette

... most companies would be taking a huge step forward if they got somebody who knows how to do linear regression. -- Hacker News user 'mindcrime' on the necessary skills for data science When you have $latex x_1, \ldots, x_k$ predictors of a scalar-valued outcome $latex y$ with observations indexed by $latex i$ and residuals…

... most companies would be taking a huge step forward if they got somebody who knows how to do linear regression. -- Hacker News user 'mindcrime' on the necessary skills for data science When you have $latex x_1, \ldots, x_k$ predictors of a scalar-valued outcome $latex y$ with observations indexed by $latex i$ and residuals…