Updating tutorials

README.org

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 * R_info
 
-Some resources to learn about R.
-The R Project for Statistical Computing is a free environment for statistical computing and graphics.
-More information about R: https://www.r-project.org/
+- Some resources to learn R.
+- The [[https://www.r-project.org/][R Project]] for Statistical Computing is a free environment for statistical
+  computing and graphics.
 
 ** Index
 
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  * [[./doc/tutorials.org][Tutorials]]
  * [[./doc/books.org][Books]]
  * [[./doc/webinars.org][Webinars]]
+ * [[./doc/news_updates.org][News and updates]]

doc/news_updates.org

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+* News and updates on R
+
+| Resource                  | Author  | Comments                        |
+|---------------------------+---------+---------------------------------|
+| [[https://rweekly.org/][rweekly]]                   |         | Weekly updates from R community |
+| [[https://agstats.io/post/keeping-up-with-r/][rpackages for agriculture]] | agstats |                                 |

doc/tutorials.org

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 * Tutorials
 
-| Resource         | Author  | Comments  |
-|------------------+---------+-----------|
-|                  |         |           |
-| [[https://ourcodingclub.github.io/tutorials][ourcodingclub]]    |         | Tutorials |
-| [[https://github.com/franknarf1/r-tutorial][R tutorial]]       |         |           |
-| [[https://rstudio.com/resources/cheatsheets/][Cheatsheets]]      | Rstudio |           |
-| [[https://rpubs.com/][Rpubs]]            |         |           |
-| [[http://sillasgonzaga.com/][Paixão por Dados]] |         |           |
+| Resource             | Author                  | Comments  |
+|----------------------+-------------------------+-----------|
+| [[https://ourcodingclub.github.io/tutorials][ourcodingclub]]        |                         | Tutorials |
+| [[https://github.com/franknarf1/r-tutorial][R tutorial]]           |                         |           |
+| [[https://rstudio.com/resources/cheatsheets/][Cheatsheets]]          | Rstudio                 |           |
+| [[https://rpubs.com/][Rpubs]]                |                         |           |
+| [[http://sillasgonzaga.com/][Paixão por Dados]]     | Sillas Teixeira Gonzaga |           |
+| [[https://towardsdatascience.com/nlp-basics-understanding-regular-expressions-fc7c7746bc70][Regular expressions]]  |                         |           |
+| [[https://boiled-data.github.io/][boiled data]]          | Florian Klohn           |           |
+| [[https://programminghistorian.org/en/lessons/][programminghistorian]] |                         |           |