User contributions for G5chang

20 October 2011

• 15:4515:45, 20 October 2011 diff hist +265‎ stat841f11 ‎ →‎Backpropagation Continued (Lecture: Oct. 18, 2011): - added figure illustrating the three hidden layers with corrected labels (l,i,j), the previous labels did not match the equations.
• 15:4215:42, 20 October 2011 diff hist +76‎ N File:Backprop.png ‎ Illustration of the hidden layers for backpropagation with correct labeling. current
• 15:1915:19, 20 October 2011 diff hist +2,465‎ stat841f11 ‎ →‎Backpropagation Continued (Lecture: Oct. 18, 2011): - added deep neural network section and description.
• 14:4514:45, 20 October 2011 diff hist +1,938‎ stat841f11 ‎ →‎Backpropagation Continued (Lecture: Oct. 18, 2011): - edited and added descriptions to backpropagation algorithm.
• 13:5713:57, 20 October 2011 diff hist +1,528‎ stat841f11 ‎ →‎Newton-Raphson Method (Lecture: Oct 11, 2011): - →‎Perceptron: - Adding more info on the history of perceptron/neural models.

17 October 2011

• 09:2409:24, 17 October 2011 diff hist −42‎ stat841f11 ‎ →‎Perceptron Learning Algorithm (Lecture: Oct. 13, 2011): - minor formatting edits (for trying to improve readability).
• 09:1209:12, 17 October 2011 diff hist +581‎ stat841f11 ‎ →‎Perceptron Learning Algorithm (Lecture: Oct. 13, 2011): - removing redundant information, fixing formatting, adding new information to feed forward neural networks section.
• 08:3608:36, 17 October 2011 diff hist +6‎ stat841f11 ‎ →‎Perceptron Learning Algorithm (Lecture: Oct. 13, 2011): - minor edit fixing figure file name.
• 08:3408:34, 17 October 2011 diff hist +277‎ stat841f11 ‎ →‎Perceptron Learning Algorithm (Lecture: Oct. 13, 2011): - added corrected figure and description for the hyperplane.
• 08:3208:32, 17 October 2011 diff hist +96‎ N File:Hyperplane.png ‎ Perceptron decision boundary illustration (used for deriving the perceptron learning algorithm). current

16 October 2011

• 08:2808:28, 16 October 2011 diff hist +911‎ stat841f11 ‎ →‎Perceptron Learning Algorithm (Lecture: Oct. 13, 2011): - making corrections and adding new information.

14 October 2011

• 08:4908:49, 14 October 2011 diff hist −14‎ stat841f11 ‎ →‎Newton-Raphson Method (Lecture: Oct 11, 2011): - minor edit fixing equation.

13 October 2011

• 09:3809:38, 13 October 2011 diff hist +17‎ stat841f11 ‎ →‎Newton-Raphson Method (Lecture: Oct 11, 2011): - merged two sections covering similar ideas, added new info.
• 09:1309:13, 13 October 2011 diff hist +870‎ stat841f11 ‎ →‎Newton-Raphson Method (Lecture: Oct 11, 2011): - corrected and added formulae.
• 08:3708:37, 13 October 2011 diff hist +65‎ stat841f11 ‎ →‎Linear and Logistic Regression (Lecture: Oct. 06, 2011): - minor edits, adding missing indices to x (more significant contributions to this section were made at earlier date).
• 08:2608:26, 13 October 2011 diff hist 0‎ stat841f11 ‎ →‎Linear and Logistic Regression (Lecture: Oct. 06, 2011): - fixing two broken links (more significant contributions to this section were made at earlier date).

11 October 2011

• 16:1216:12, 11 October 2011 diff hist +12‎ stat841f11 ‎ →‎Fisher Discriminant Analysis (FDA) Continued (Lecture: Oct. 04, 2011): - minor formatting cleanup (more significant contributions to this section were made at earlier date).
• 16:0716:07, 11 October 2011 diff hist −737‎ stat841f11 ‎ →‎Fisher Discriminant Analysis (FDA) Continued (Lecture: Oct. 04, 2011): - fix summary formatting and structure (more significant contributions to this section were made at earlier date).
• 15:3115:31, 11 October 2011 diff hist +38‎ stat841f11 ‎ →‎Fisher Discriminant Analysis (FDA) Continued (Lecture: Oct. 04, 2011): - some formatting cleanup (more significant contributions to this section were made at earlier date).
• 15:0615:06, 11 October 2011 diff hist −24‎ stat841f11 ‎ →‎Fisher Discriminant Analysis (FDA) (Lecture: Sep. 29, 2011): - minor cleanup (more significant contributions to this section were made at earlier date).

10 October 2011

• 17:0317:03, 10 October 2011 diff hist −17‎ stat841f11 ‎ →‎Linear and Logistic Regression (Lecture: Oct. 06, 2011): - fixing heading.
• 17:0117:01, 10 October 2011 diff hist +1,038‎ stat841f11 ‎ →‎Linear and Logistic Regression (Lecture: Oct. 06, 2011): - adding formulas, expressions, explanation and edits.

6 October 2011

• 14:4014:40, 6 October 2011 diff hist +990‎ stat841f11 ‎ →‎Fisher Discriminant Analysis (FDA) Continued (Lecture: Oct. 04, 2011): - added info on some variants/extensions of FDA.
• 14:0914:09, 6 October 2011 diff hist +599‎ stat841f11 ‎ →‎Fisher Discriminant Analysis (FDA) Continued (Lecture: Oct. 04, 2011): - added some info on the original use of FDA by R. A. Fisher.
• 13:5713:57, 6 October 2011 diff hist +140‎ stat841f11 ‎ →‎Fisher Discriminant Analysis (FDA) Continued (Lecture: Oct. 04, 2011): - fixing errors and formatting.
• 12:4012:40, 6 October 2011 diff hist +2,428‎ f11Stat841proposal ‎ →‎Project 10: Learning in Robots: - project proposal.

30 September 2011

• 14:1414:14, 30 September 2011 diff hist +3‎ stat841f11 ‎ →‎Example 2: - minor correction to Matlab code.
• 10:4510:45, 30 September 2011 diff hist +10,346‎ stat841f11 ‎ →‎Principal Component Analysis (PCA) Continued (Lecture: Sep. 29, 2011): - Primary contribution (added PCA and FDA lecture notes).
• 10:4110:41, 30 September 2011 diff hist +119‎ N File:Handwritten23.PNG ‎ A. Ghodsi, "PCA" class notes for STAT841, Department of Statistics and Actuarial Science, University of Waterloo, 2011. current
• 09:5909:59, 30 September 2011 diff hist +92‎ N File:FreyFaceExample.PNG ‎ S. Roweis (2011). Data for MATLAB. [Online]. Available: http://cs.nyu.edu/~roweis/data.html. current
• 08:0408:04, 30 September 2011 diff hist +132‎ stat841f11 ‎ →‎Principal Component Analysis (Lecture: Sep. 27, 2011): - editorial edit (fixing formatting, descriptions, typos).

29 September 2011

• 14:0214:02, 29 September 2011 diff hist +1,038‎ stat841f11 ‎ →‎Generalizing LDA and QDA: - added illustration and description of the difference between Euclidean and Mahalanobis distance for case 1 and 2.
• 13:5213:52, 29 September 2011 diff hist +155‎ N File:EuclideanVsMahalonobisDistance2.PNG ‎ Source: R. De Maesschalck, D. Jouan-Rimbaud and D. L. Massart, "Tutorial - The Mahalanobis distance," Chemometrics and Intelligent Laboratory Systems, 2000 current
• 13:3213:32, 29 September 2011 diff hist 0‎ File:EuclideanVsMahalanobisDistance.PNG ‎ uploaded a new version of "File:EuclideanVsMahalanobisDistance.PNG" current
• 13:2813:28, 29 September 2011 diff hist 0‎ File:EuclideanVsMahalanobisDistance.PNG ‎ uploaded a new version of "File:EuclideanVsMahalanobisDistance.PNG"
• 13:2813:28, 29 September 2011 diff hist 0‎ File:EuclideanVsMahalanobisDistance.PNG ‎ uploaded a new version of "File:EuclideanVsMahalanobisDistance.PNG"
• 13:2713:27, 29 September 2011 diff hist +155‎ N File:EuclideanVsMahalanobisDistance.PNG ‎ Source: R. De Maesschalck, D. Jouan-Rimbaud and D. L. Massart, "Tutorial - The Mahalanobis distance," Chemometrics and Intelligent Laboratory Systems, 2000
• 08:5008:50, 29 September 2011 diff hist +1,091‎ stat841f11 ‎ →‎LDA and QDA: - added description at beginning.
• 08:4408:44, 29 September 2011 diff hist +104‎ stat841f11 ‎ Added lecture dates to sections.

28 September 2011

• 15:0415:04, 28 September 2011 diff hist −122‎ stat841f11 ‎ Spacing and format edit.
• 14:5614:56, 28 September 2011 diff hist +2,241‎ stat841f11 ‎ Updated Bayesian/Frequentist section with additional information.

25 September 2011

• 10:5310:53, 25 September 2011 diff hist +908‎ stat841f11 ‎ Expanded case 2 of the computation section. Added Mahalanobis distance mentioning.
• 10:3510:35, 25 September 2011 diff hist +5‎ singular Value Decomposition(SVD) ‎ Spacing edit.
• 10:3410:34, 25 September 2011 diff hist +8‎ singular Value Decomposition(SVD) ‎ Spacing edit.
• 10:3310:33, 25 September 2011 diff hist +332‎ singular Value Decomposition(SVD) ‎ Expanded and restructured this page.

23 September 2011

• 08:4408:44, 23 September 2011 diff hist −32‎ stat841f11 ‎ Undo revision 11587 by G5chang (talk)
• 08:4008:40, 23 September 2011 diff hist −7‎ stat841f11 ‎No edit summary
• 08:3708:37, 23 September 2011 diff hist +565‎ stat841f11 ‎No edit summary

22 September 2011

• 09:0609:06, 22 September 2011 diff hist +714‎ stat841f11 ‎No edit summary

20 September 2011

• 21:1221:12, 20 September 2011 diff hist +37‎ f11Stat841EditorSignUp ‎No edit summary