Add articles to PML and DDP

ddp.md

@@ -14,6 +14,7 @@ permalink: /ddp/
 - [Dockerize a Shiny App](http://www.rmining.net/2015/04/30/dockerizing-a-shiny-app/)
 - [Git pushing Shiny Apps with Docker/Dokku](http://www.rmining.net/2015/05/11/git-pushing-shiny-apps-with-docker-dokku/)
 - [Share your Shiny Apps with Docker and Kitematic](http://www.rmining.net/2015/08/10/share-your-shiny-apps-with-docker-and-kitematic/)
+- [Shinyapps.io: Configuring Application Timeout](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/dataProd-shinyTimeoutConfig.md)
 
 ## Comprehensive Notes
 

pml.md

@@ -29,3 +29,7 @@ permalink: /pml/
 ## Configuring Github Pages with RStudio for PML Project 
 
 - Step by step instructions to [Configure Github Pages with RStudio](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/pml-ghPagesSetup.md) to support the PML course project. 
+
+## Improving Runtime Performance of Caret 
+
+- Step by step instructions to [implement parallel processing in caret::train()](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/pml-randomForestPerformance.md) on a random forest model, along with runtime performance analysis for a variety of laptops, ranging from an Intel Atom-based tablet to a quad-core i7 processor.  

rprog.md

@@ -22,6 +22,7 @@ permalink: /rprog/
 - [Some notes on the R Language](http://lopezrj.github.io)
 - [A Data Frame is Also a List](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/dataFrameAsList.md)
 - [S Objects, R Objects, and Lexical Scoping](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/rprog-lexicalScoping.md)
+- [Common R Mistakes: Overwriting Functions with Data Objects](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/rprog-overwritingRFunctions.md)
 
 
 ## R language cheatsheet
@@ -33,6 +34,7 @@ permalink: /rprog/
 - [Commercial Statistics Packages: An Historical Perspective](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/statsPackagesHistory.md)
 - [Why is R More Difficult than SAS?](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/whyIsRHarderThanSAS.md)
 - [SAS Experience: impediment to learning R?](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/exampleSortRvsSAS.md)
+- [Thinking in R versus Thinking in SAS](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/exampleSortRvsSAS.md)
 
 ## Comprehensive Notes
 

statinf.md

@@ -6,6 +6,11 @@ permalink: /statinf/
 
 - [Why degrees of freedom decrease for sample variance](https://github.com/Manu58/bias/blob/master/bias.pdf)
 - [Analysis of exponential distribution of births data set from the CDC](https://gist.github.com/ProgramErgoSum/5316008387746fcd84de)
+- [Exponential Distribution / Central Limit Theorem - Assignment Checklist](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/statinf-expDistChecklist.md)
+- [ToothGrowth Analysis - Assignment Checklist](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/ToothGrowthChecklist.md)
+- [Exploratory Data Analysis in ToothGrowth Assignment](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/edaInToothGrowthAnalysis.md), explaining the exploratory data analysis requirement for students who have not taken the *Exploratory Data Analysis* course prior to taking *Statistical Inference*. 
+- [Using MathJax with Discussion Forums, R Markdown, and Github Pages](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/mathjaxWithGithubMarkdown.md)
+- [Kable Tables with Data Frames](https://github.com/lgreski/datasciencectacontent/blob/master/markdown/kableDataFrameTable.md) illustrates how to display a custom table in a `knitr()` document by creating a data frame to contain the information to be rendered with `kable()`.
 
 ## Comprehensive Notes