title: Unable to load IRKernel in Jupyter notebook
body: <p>I'm pretty new to the forum, so I'm sorry if this question has already been answered. I looked around, and although I saw that some had similar issues, I couldn't find the solution to my problem on any previous posts. So - here goes...</p>
  
  <p>I'm running Mac OS X 10.11.5, Jupyter notebook version 4.2.1, R version 3.2.2</p>
  
  <p>I installed the R kernel for Jupyter notebook with the following command -</p>
  
  <pre><code>conda install -c r r-irkernel
  </code></pre>
  
  <p>Now, when I launch Jupyter notebook, I see 'R' appears as one of the options in the drop down menu on the right hand side under 'notebooks.' However, when I try to create an R notebook, the kernel crashes and I get the following error in terminal:</p>
  
  <pre><code>WARNING:root:kernel b42781ab-ebb1-45eb-8a54-d3801106fb94 restarted
  Error: .onLoad failed in loadNamespace() for 'pbdZMQ', details:  
    call: dyn.load(file, DLLpath = DLLpath, ...)
    error: unable to load shared object '/Users/avislova/anaconda/lib/R/library/pbdZMQ/libs/pbdZMQ.so':
    dlopen(/Users/avislova/anaconda/lib/R/library/pbdZMQ/libs/pbdZMQ.so,     6): Library not loaded: @rpath/libzmq.5.dylib
    Referenced from: /Users/avislova/anaconda/lib/R/library/pbdZMQ/libs/pbdZMQ.so
    Reason: image not found
  Execution halted
   [W 16:19:12.382 NotebookApp] KernelRestarter: restart failed
   [W 16:19:12.382 NotebookApp] Kernel b42781ab-ebb1-45eb-8a54-d3801106fb94 died, removing from map.
  ERROR:root:kernel b42781ab-ebb1-45eb-8a54-d3801106fb94 restarted failed!
   [W 16:19:12.390 NotebookApp] Kernel deleted before session
   [W 16:19:12.390 NotebookApp] 410 DELETE /api/sessions/2236e334-e33a-483b-87f3-31c461d4903b (::1) 1.32ms referer=http://localhost:8888/notebooks/Untitled5.ipynb?kernel_name=ir
  </code></pre>
  
  <p>Any idea where I can go from here?</p>
  
  <p>Thank you!</p>