Update IRkernel install instructions

pravj · pravj · commit e5cb1db9ff7d · 2016-08-12T11:27:26.000+05:30
diff --git a/_posts/r/jupyter/2016-02-20-jupyter-notebook-r.html b/_posts/r/jupyter/2016-02-20-jupyter-notebook-r.html
@@ -27,8 +27,8 @@ <h3>Install Jupyter</h3>
 <hr>
 <h3>Install IRKernel</h3>
 <p>Next we'll install a R Kernel so that we can use R commands inside a Jupyter notebook. This is  similar to installing a R package. Run this in R.</p><br>
-<pre><code>install.packages(c('repr', 'IRkernel', 'IRdisplay'),
-                 repos = c('http://irkernel.github.io/', getOption('repos')))
+<pre><code>install.packages(c('repr', 'IRdisplay', 'pbdZMQ', 'devtools'))
+devtools::install_github('IRkernel/IRkernel')
 IRkernel::installspec()
 </pre><p></code></p><br>
 <p>See <a href="https://github.com/IRkernel/IRkernel">here</a> for details.</p>
