Merge pull request #316 from soejima/master

adicionando links de referência nas dicas para iniciantes

README.md

@@ -65,10 +65,10 @@ No mais, é isso. Bem vinda(o), pequena(o) padawan :)
 
 <h3 id="iniciante">Iniciante</h3>
 
-  - Python (lib [Pandas](https://pandas.pydata.org/)) ou R
-  - SQL
-  - Jupyter Notebook
-  - Estatística Descritiva
+  - [Python](https://www.python.org/) (lib [Pandas](https://pandas.pydata.org/)) ou [R](https://cloud.r-project.org/) | [R Studio](https://www.rstudio.com/products/rstudio/download/#download). [Qual aprender? Dicas Udacity](https://br.udacity.com/blog/post/aprender-python-r)
+  - [SQL](https://pt.khanacademy.org/computing/computer-programming/sql#sql-basics)
+  - [Jupyter Notebook](http://jupyter.org/)
+  - [Estatística Descritiva](https://br.udacity.com/course/intro-to-descriptive-statistics--ud827)
 
 <h3 id="intermediario">Intermediário</h3>