Merge pull request #13 from raffaem/tensorflow

Add installation instructions Python dependencies

README.md

@@ -44,22 +44,27 @@ You can view these solutions hosted from GitHub at the following location:
 
 ## Building the solutions
 
-You will need to install [tensorflow and keras]. The dependencies are provided
-in the `DESCRIPTION` file and you can install them by running:
+The R dependencies are provided in the `DESCRIPTION` file and you can install them by running:
 
 ```r
 devtools::install()
 ```
 
+Other than that you need the Python packages [tensorflow and keras] installed in the Python environment you are using to run the examples:
+
+```bash
+pip3 install tensorflow keras
+```
+
 Rebuild the book with compiled solutions by running:
 
-```{r}
+```r
 bookdown::render_book('index.Rmd', 'bookdown::gitbook')
 ```
 
 To render only one file/chapter (e.g. solutions for chapter 2), use:
 
-```{r}
+```r
 rmarkdown::render(input="02-statistical-learning.Rmd", output_format=bookdown::pdf_document2())
 ```