I'm planning on self-studying Elements of Statistical Learning (by Hastie, Tibshirani, and Friedman) over the summer. It comes highly recommended by a couple students in my program and current lab (which has a major machine learning component). I'm currently a Biostats PhD student who has finished their first year of graduate coursework (Probability and Statistical Inference I/II, Statistical Methods, Intermediate Linear Models). My goal is to read most of ESL, and if that turns out to be too aggressive of a goal, then parts of it, in order to understand the theory behind a variety of machine learning methods. I don't intend on understanding every word, but I want it to be something useful to me as I move forward into research, and something that I can keep referring back to when needed.
I've read from many sources online that ESL is an incredible textbook, but some sections are difficult to understand even with a decent math/stats background. I'd love to hear any advice that people who have read the book (or attempted) may have. I don't completely know what I'm in for but want to get the most out of it, because it will be a huge benefit to me throughout my PhD program.
I'm especially interested in the following chapters: Ch 3 (Linear Methods for Regression), Ch 4 (Linear Methods for Classification), Ch 7 (Model Assessment), Ch 8 (Model Inference and Averaging), Ch 9 (Additive Models, Trees, and Related Methods), possibly Ch 11 (Neural Nets), Ch 12 (Support Vector Machines), Ch 14 (Unsupervised Learning), and especially Ch 18 (High Dimensional Problems).
I'm open to hearing any thoughts or recommendations, whether general or specific. Here are some questions I had:
How readable is this book for a someone who has competed the first year of graduate statistics courses (plus math undergrad)?
What background topics/subjects were particularly useful to have brushed up on before starting to read?
Were there any supplements/resources you found useful?
What are some methods for effective reading of the book? (balance between reading/doing problems, setting goals, etc.)
How much does each chapter rely on the last? Can you skip around or do you need to go sequentially?
Understanding that the following are very subjective:
What sections did you find valuable?
What sections did you gloss over? Were any sections more difficult to read than others?
Chapters that I haven't listed above that are important? Chapters I've listed above that you didn't find as important?
General tips for getting the most out of the book or advice for someone before they start reading.