Minor typo correction
Fix typo
Minor change to phrasing
Fix spelling typo
Merge pull request #149 from williamscott/master

Minor editing changes on Chapter 2
Delete blank line in code
Made reference link live
Chapter 3 typo correction

1.  replace "that is does" with "that this does"
2.  add "a" to "using loss function"
3. replace "parameter of interested" with "parameter of interest"
Correct typos

1. "scraping" replaces "scrapping"
2. Correct spelling of equivalence
3. Add hyperlink for Reference 2
Merge pull request #151 from williamscott/master

Minor editing changes to chapters 2 and 3
Delete superfluous row in table

Superfluous row in income by programming language table
Merge pull request #152 from williamscott/here

Delete superfluous row in table
Typo correction

Replace "more clear be" with "more clear by"
Typo and phrasing change

1. Remove full stop between $X$ and :
2. Replace "computational-intensive" with "computationally-intensive"
Add acronym definition and syntax correction

1. Add (MCMC) after first mention of Markov Chain Monte Carlo
2. Correct $\\lambda$s to $\lambda$s.
Merge pull request #153 from williamscott/master

Typos and phrasing changes
fix recent typos causing invalid JSON

recent commit (dfc565c1561bb05b71a316d2073efeb7c6f50e66) edited Chapter 1,
introducing typos and making it invalid JSON. This fixes those typos.
Merge pull request #154 from minrk/lambdas

fix recent typos causing invalid JSON