Statistical Learning: 7.2 Piecewise Polynomials and Splines

Statistical Learning, featuring Deep Learning, Survival Analysis and Multiple Testing
Trevor Hastie, Professor of Statistics and Biomedical Data Sciences at Stanford University - statistics.sta...
Robert Tibshirani, Professor of Statistics and Biomedical Data Sciences at Stanford University - statistics.sta...
Jonathan Taylor, Professor Statistics at Stanford University - statistics.sta...
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[@saisureshmacharlavasu3116]

5:07 in the y_i equation, it should be K+1 instead of K+3 right?

[@utkarshujwal3286]

So total no of basis functions is the no of polynomial terms required (which is 3 , because you can treat 1 as a constant here out of x^3,x^2,x) and no of truncated power basis function which is equal to the number of knots in the equation i.e K so it will be K+3