ZHANG, Ruda April 24, 2019:  Try <object> tag for SVG rendering [13bdcb7]
ZHANG, Ruda March 16, 2019:  Organize notes related to manifold. [24a078c]
ZHANG, Ruda March 01, 2019:  Diffusion maps. [9f3a5bd]
ZHANG, Ruda February 25, 2019:  Eigenvalues of diffusion maps. [d0a33cd]
ZHANG, Ruda February 24, 2019:  More on observation-measure space duality [5f459b8]
ZHANG, Ruda February 24, 2019:  Add illustration of observation-measure space duality [528148a]
ZHANG, Ruda February 21, 2019:  More on SVD, CUR. [e2f9299]
ZHANG, Ruda February 20, 2019:  Interpretation of SVD [4ea0ad2]
ZHANG, Ruda February 19, 2019:  PCA, SVD, learning theory; digitize notes on SVD [ce26c0a]
ZHANG, Ruda January 19, 2019:  Correct math. [a3de1ae]
ZHANG, Ruda October 03, 2018:  Corrections to manifold learning [3da1eb0]
ZHANG, Ruda July 13, 2018:  Initiate diffusion maps; more on PCA [b4c5da7]
ZHANG, Ruda July 10, 2018:  Add manifold learning [ba3d5e6]
Ruda Zhang September 25, 2016:  PCA is SVD; PROJ.4, JOSM, and geoprocessing [bc3a8ef]
Ruda Zhang September 21, 2016:  relating PCA and SVD. [d194bcc]
Ruda Zhang September 20, 2016:  PCA vs SVD. [69be998]
Ruda Zhang September 11, 2016:  Completing linear regression model fitting and selection [2f04893]
Ruda Zhang June 26, 2016:  add category tag to wiki pages [a9b356c]
Ruda Zhang June 25, 2016:  use canonical filename and no internal H1 [eeca8ff]