ZHANG, Ruda February 24, 2019:  Fix PDF links [72277e6]
ZHANG, Ruda December 30, 2018:  Use dollar style math markup. [1b7036c]
ZHANG, Ruda September 30, 2018:  CSS redesign; more edits. [dd44d96]
ZHANG, Ruda March 23, 2018:  Global remove trailing whitespaces [2b7ff90]
ZHANG, Ruda November 24, 2017:  Define standard error of a statistic. [d7a028a]
ZHANG, Ruda October 14, 2017:  Overwrite Simple Linear Regression as Statistical Learning [4eabf19]
ZHANG, Ruda October 13, 2017:  More on hypothesis testing. [08950ed]
ZHANG, Ruda October 13, 2017:  Count data models, large-scale testing [b4a99ec]
ZHANG, Ruda October 09, 2017:  ANOVA and time-series models. [90c957a]
Ruda Zhang November 18, 2016:  Formula of false rates. [5b1455f]
Ruda Zhang November 17, 2016:  Modify hypothesis testing. [e79c6e8]
Ruda Zhang September 07, 2016:  ANOVA. [2aa6462]
Ruda Zhang September 07, 2016:  Univariate analysis, ANOVA. [3e408ff]
Ruda Zhang September 04, 2016:  Formal statistical tests. [ab56b2a]
Ruda Zhang September 03, 2016:  Move hypothesis testing out of regression analysis notes. [60e66c1]
Ruda Zhang August 07, 2016:  Replace tab with two spaces. [adaa87b]
Ruda Zhang June 26, 2016:  one sentence per line [e15360a]
Ruda Zhang June 26, 2016:  add category tag to wiki pages [a9b356c]
Ruda Zhang June 26, 2016:  use canonical filename and no internal H1 [eeca8ff]