t test, regression, pca, anova, data analysis, data visualization, statistical analysis - An Overview
Represented in this manner, $\bf Y$ & $\boldsymbol\varepsilon$ are vectors of duration $N$, and $\boldsymbol\beta$ is really a vector of duration $p+1$. $\bf X$ is now a matrix with $N$ rows and $(p+one)$ columns. in a very prototypical regression you might have $p$ continual $X$ variables as well a