Code&Data Insights

[ R-squared ] R-squared - a measure of the goodness-of-fit of a regression model. - It represents the proportion of the variance in the dependent variable that is predictable from the independent variables. - the percentage of variation explained by the relationship between two variables. => range : 0 to 1 => R² = 1 - (SSR/SST) SSR = the sum of squared residuals (the sum of the squared differenc..

The Art of Statistics: Learning from Data by David Spiegelhalter =>David Spiegelhalter is a prominent British statistician who provides numerous examples from his professional experience in the field of statistics. He endeavors to explain these concepts in an accessible way, without relying on mathematical formulas. 2학년때 probability and statistics 과목을 들었는데, 감이 안잡혀서 책을 읽었다. 다양한 예시를 줘서 전체적인 통계학의 개..