|  | ZHANG, Ruda | October 25, 2022: 
          Correct math.
          [d12b9f2] | 
      
        |  | ZHANG, Ruda | October 24, 2022: 
          Add linear and rank correlation coefficients.
          [dbb2ff0] | 
      
        |  | ZHANG, Ruda | March 09, 2021: 
          Defind mode, median; more on Gaussian rv, probabilistic models on matrix manifolds.
          [7c5a23c] | 
      
        |  | ZHANG, Ruda | June 07, 2020: 
          Format math.
          [8fd6378] | 
      
        |  | ZHANG, Ruda | March 27, 2020: 
          More on probability and statistics.
          [3ffc48d] | 
      
        |  | ZHANG, Ruda | January 18, 2020: 
          Use probabilistic model, not probability model.
          [127e581] | 
      
        |  | ZHANG, Ruda | November 24, 2019: 
          Add climate econometrics; more edits.
          [a8291fb] | 
      
        |  | ZHANG, Ruda | May 08, 2019: 
          More on NBG set theory.
          [b78560f] | 
      
        |  | ZHANG, Ruda | September 30, 2018: 
          CSS redesign; more edits.
          [dd44d96] | 
      
        |  | ZHANG, Ruda | July 18, 2018: 
          More on MLE, MME
          [81a9c52] | 
      
        |  | ZHANG, Ruda | March 23, 2018: 
          Global remove trailing whitespaces
          [2b7ff90] | 
      
        |  | ZHANG, Ruda | October 16, 2017: 
          regression and econometrics
          [7154d42] | 
      
        |  | ZHANG, Ruda | October 16, 2017: 
          Sample and statistic
          [20d464d] | 
      
        |  | ZHANG, Ruda | October 15, 2017: 
          separate econometrics and regression inference
          [b2083ef] | 
      
        |  | ZHANG, Ruda | October 14, 2017: 
          Clean up.
          [d8f68e0] | 
      
        |  | ZHANG, Ruda | October 14, 2017: 
          Merge computational and statistical learning.
          [a493a55] | 
      
        |  | ZHANG, Ruda | October 14, 2017: 
          Statistics and statistical inference
          [7732699] | 
      
        |  | ZHANG, Ruda | October 14, 2017: 
          Overwrite Simple Linear Regression as Statistical Learning
          [4eabf19] | 
      
        |  | ZHANG, Ruda | October 13, 2017: 
          Count data models, large-scale testing
          [b4a99ec] | 
      
        |  | Ruda Zhang | August 07, 2016: 
          Add EditorConfig rules.
          [e14967d] | 
      
        |  | 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 internal link for wiki pages.
          [22daaba] | 
      
        |  | Ruda Zhang | June 26, 2016: 
          fix pdf link path and use external link style
          [570ec4f] | 
      
        |  | Ruda Zhang | June 26, 2016: 
          use canonical filename and no internal H1
          [eeca8ff] |