Replace README.org

README.org

@@ -46,7 +46,7 @@ their difficulty (☆ = simple, ☆☆ = advanced, ☆☆☆ = sophisticated):
      statistics and visualisation (☆☆)
 - [[file:Dracor.ipynb][DraCor]] :: retrieving data from a REST API, text transformation and
      classification (☆☆)
-- Machine Learning :: recipes for common machine learning tasks (☆☆)
+-  [[file:machine_learning.ipynb][Machine Learning]] :: recipes for common machine learning tasks (☆☆)
 - [[file:Mondrian.ipynb][Mondrian]] :: turtle graphics, recursion, art (☆☆)
 - [[file:statistics_top50faculty.ipynb][Statistics top 50 faculty]] :: exploratory statistical analysis of the
      [[http://cs.brown.edu/people/apapouts/faculty_dataset.html][dataset of 2200 faculty in 50 top US computer science graduate
@@ -55,4 +55,4 @@ their difficulty (☆ = simple, ☆☆ = advanced, ☆☆☆ = sophisticated):
      information from noisy data (namely, point positions given their
      noisy distance matrix) (☆☆☆)
 - [[file:Das_Haus_vom_Nikolaus.ipynb][Das Haus vom Nikolaus]] :: graph [[https://en.wikipedia.org/wiki/Graph_traversal][traversal]] and drawing (☆☆☆)
-- Scrape review blog :: Here, we use the python package scrapy to download all reviews of a literature blog (☆☆☆)
+- [[file:scrape_review_blog.ipynb][Scrape review blog]] :: Here, we use the python package scrapy to download all reviews of a literature blog (☆☆☆)