ZHANG, Ruda March 23, 2018:  More on WADGPS, map elements; topology/manifold, math branches, Taleb on probability [46880f6]
Ruda Zhang May 03, 2017:  Formalize economics concepts. [a98c135]
Ruda Zhang December 23, 2016:  Minor word changes. [1bdd3ed]
Ruda Zhang June 26, 2016:  Entry page overhaul. [d0c7379]
Ruda Zhang June 26, 2016:  add category tag to wiki pages [a9b356c]
Ruda Zhang June 26, 2016:  remove H1 title in markdown body [9c936db]
Ruda Zhang June 26, 2016:  Use internal link for wiki pages. [22daaba]
Ruda Zhang June 25, 2016:  use canonical filename and no internal H1 [eeca8ff]
Ruda Zhang June 23, 2016:  show category at page foot. [8bdfb25]
Ruda Zhang June 23, 2016:  try category architecture. [0d499b6]
Ruda Zhang June 23, 2016:  <<Navigation()>> macro makes TOC for pages in directory, not a good idea. [648c014]
Ruda Zhang June 23, 2016:  Gollum truthly reads from master only. Try navigate in folder. [09eac16]
Ruda Zhang June 23, 2016:  Test changes in branch. [77fc5e1]
Ruda Zhang June 23, 2016:  try navigation macro. [c4f0687]
Ruda Zhang June 22, 2016:  Remove macro, useless. [b059af9]
Ruda Zhang June 22, 2016:  Standardize headings, table; try macro. [22f2a1e]
Rudazhan June 15, 2016:  Remove gollum link tag in Home. [76faf72]
Rudazhan June 01, 2016:  Add Machine Learning, PageRank [c2420f5]
Rudazhan June 01, 2016:  Reformat Computing section in Home.md [01038e5]
Rudazhan June 01, 2016:  Add computational linguishtics. [70b09d2]
Rudazhan April 11, 2016:  Relink gameTheory [643384f]
Rudazhan April 10, 2016:  Distinguish Statistics, Machine learning, and data mining. [f58fc6f]
Rudazhan April 10, 2016:  Organize Engineering. [73e0388]
Rudazhan April 10, 2016:  Add material in data mining, machine learning, duality, modeling. [7f2900d]
Rudazhan April 10, 2016:  Organize Physics [f2a783d]
Rudazhan April 10, 2016:  Organize Homepage [891baa3]
Rudazhan April 10, 2016:  Organize Homepage [0000eda]
Rudazhan April 10, 2016:  Organize Homepage [cfea428]
Rudazhan April 09, 2016:  list econexp. [245002f]
Rudazhan April 09, 2016:  Rearrange Econometrics. [6789c0e]