README update with links

Author: johnsonra

README.md

@@ -2,30 +2,32 @@
 
 Drs. S. Ravichandran and Randy Johnson
 
-This workshop will cover the following topics:
+This workshop will cover the following topics (see [this summary](https://github.com/ravichas/TidyingData/blob/master/0-RStudio-Intro.md) of material you should be comfortable with):
 
-- [R/RStudio Introduction](https://github.com/ravichas/TidyingData/blob/master/0-RStudio-Intro.md)
-    - Quick tour of RStudio
-    - Importing data using RStudio and `read_csv()`
-    - Data types
-    - Vector manipulation
-    - Help!
-    - Functions
-    - Indexing data.frames and lists
-    - The apply family
 - [Tidyverse Basics](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md)
-    - `tibble()` vs `data.frame()`
-    - Use of `tribble()`
-    - Manipulation of tibbles
+    - [Tibbles](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md#tibbles)
+        - [Why tibbles?](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md#why)
+        - [Working with tibbles](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md#working)
+        - [Examples and exercises](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md#eeTibbles)
+    - [Importing Data](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md#import)
+        - [Comments and metadata](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md#skip)
+        - [Examples and exercises](https://github.com/ravichas/TidyingData/blob/master/1-Tidyverse.md#eeImport)
 - [Dates, Times, and Regular Expressions](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md)
-    - Working with dates
-        - Formats
-            - POSIX
-            - Conversion between different formats
-    - Regular Expressions
-        - What are regular expressions?
-        - String processing
+    - [Dates and Times](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#dateTime)
+        - [Base R](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#dateTimeR)
+        - [lubridate](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#dateTimeLub)
+        - [Arithmetic](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#dateTimeMath)
+        - [Exercises](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#eeDateTime)
+    - [Regular Expressions](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#regEx)
+        - [Definition](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#regExDefinition)
+        - [Find and Replace](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#findReplace)
+        - [Exercises](https://github.com/ravichas/TidyingData/blob/master/2-DateTime-RegEx.md#eeRegEx)
 - [Reproducible Research](https://github.com/ravichas/TidyingData/blob/master/3-ReprodResearch.md)
-    - Use of R Markdown
-- [Open time for questions](https://github.com/ravichas/TidyingData/blob/master/4-Practice.md)
+    - [Use of R Markdown](https://github.com/ravichas/TidyingData/blob/master/3-ReprodResearch.md#Rmarkdown)
+        - [R Markdown basics](https://github.com/ravichas/TidyingData/blob/master/3-ReprodResearch.md#basics)
+        - [R Markdown creation](https://github.com/ravichas/TidyingData/blob/master/3-ReprodResearch.md#creation)
+        - [Code chunks](https://github.com/ravichas/TidyingData/blob/master/3-ReprodResearch.md#code)
+        - [Tables](https://github.com/ravichas/TidyingData/blob/master/3-ReprodResearch.md#tables)
+        - [Knitting an Rmd file](https://github.com/ravichas/TidyingData/blob/master/3-ReprodResearch.md#knitr)
+- [Open time for questions](https://github.com/ravichas/TidyingData/blob/master/4-Practice.Rmd)
     - You may work on the data set provided or bring your own data