Re: Homework#6 Q3
Quote:

Re: Homework#6 Q3

Re: Homework#6 Q3
Quote:

Re: Homework#6 Q3

Re: Homework#6 Q3
Quote:

Re: Homework#6 Q3

Re: Homework#6 Q3
Quote:

Re: Homework#6 Q3
My answers for any value of K are order(s) of magnitude higher that the options.
w_reg = (Z^\top Z + λI)^1 Z^T y As a Python noob, perhaps someone can confirm that I need the linalg.inv of the first term in parentheses, because we cannot use the pinv method when the weight term is present. thanks. 
Re: Homework#6 Q3
Kekeli:
I don't know about Python, but in R I was using the "chol2inv" function of the "Matrix" library to find the matrix inverse. It turns out this wasn't the right tool for the job. I ended up using "solve" from the base package to find the inverse. So in R, I used the following functions: 
All times are GMT 7. The time now is 04:11 PM. 
Powered by vBulletin® Version 3.8.3
Copyright ©2000  2020, Jelsoft Enterprises Ltd.
The contents of this forum are to be used ONLY by readers of the Learning From Data book by Yaser S. AbuMostafa, Malik MagdonIsmail, and HsuanTien Lin, and participants in the Learning From Data MOOC by Yaser S. AbuMostafa. No part of these contents is to be communicated or made accessible to ANY other person or entity.