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 ### [Table of contents](https://github.com/Asterics2020-Obelics/School2018/blob/master/machinelearning/Contents.ipynb)
 
-[![nbviewer](https://img.shields.io/badge/view%20on-nbviewer-brightgreen.svg)](http://nbviewer.jupyter.org/github/Asterics2020-Obelics/School2018/edit/master/machinelearning/Contents.ipynb)
+[![nbviewer](https://img.shields.io/badge/view%20on-nbviewer-brightgreen.svg)](https://nbviewer.jupyter.org/github/Asterics2020-Obelics/School2018/blob/master/machinelearning/Contents.ipynb)
+[![slides](https://img.shields.io/badge/slides%20on-nbviewer-brightgreen.svg)](https://nbviewer.jupyter.org/format/slides/github/Asterics2020-Obelics/School2018/blob/master/machinelearning/Contents.ipynb#/)
 
 *Notebooks developed and tested with the [school18 conda environment](https://github.com/Asterics2020-Obelics/School2018#library-requirements-).*