Regression Data Analysis, Overfitting, Loocv, Crossvalidation, Calibration.
the interval. For example, if we discretise the interval into n points, we have n components in the vector, each representing the function’s value at a specific point. We choose a set of basis functions {ϕ_1​(x), ϕ_2​(x), …, ϕ_i​(x)} that span the space of functions over the interval [a, b]. These