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As soon as I completed the Columbia School of Engineering Executive Education program in Applied Data Science I became responsible for translating successful weekly assignments and assessments into an effective and scalable work flow. It is one thing to complete a high-level course at a prestigious university--it is quite another to know how to gain actionable insights outside of a classroom. My interest in large non-proprietary healthcare databases exceeded anything Excel could hope for and I was amazed at the automation attainable in understanding a few open source languages--R and Python. I believe this is what I needed under the hood of the dashboards and insights clients were requesting. You may or may not know about TabPy--API Tableau Python Server--allowing remote execution of Python Code within a Tableau workbook. Also in Tableau Prep but let's not get ahead of ourselves. The limiting reagent for me was getting everything updated, dowloaded, and connected. A lot of what is discoverable at the moment is somewhat out of date and might cause you to sip a scotch a little earlier in the day than what is socially acceptable--allegedly. So my point here is to update Toward Data Science or GitHub (although the Github link I am providing is the updated version shared with me by Nathan Mannheimer a product manager at Tableau).  Download the Github repository and follow instructions in the README.md file. I use juptyer lab so had specific steps to get everything up and running. I activated my Anaconda environment and downloaded the required files. It is pretty easy. Hit the create button and name your environment--I opted for TabPy. The files I installed into this new env included Numpy, Matplotlib, Pandas, Conda, scikit-learn, ipython, and Spyder (so I could have a testing environment for calculations in Tableau). I updated Python, TabPy, and Anaconda--I had a bit of a circling the drain day when I didn't realize that links were using older versions...live it and learn it! Once you have your environment created you can click and open your preferred coding window...
I am a loyal MacOS person so your mileage may vary--navigate to Terminal enter "Conda create --name TabPy python=3.7"  Making sure you are in the right directory "cd TabPy-0.7" in my case and now run the "source startup.sh"  Once you have everything properly installed head over to Tableau. Under the Help menu scroll down to Settings and Performance >> Manage External Service Connection.  These are the settings you want to select. Click "OK", close the window and open again to Test Connection.  If you have everything installed correctly--you will receive the blessed notification below. Once I sorted out the old links, outdated software, and steps for MacOs--it all came together but I am hoping to prevent you from the aggravation.  Any questions find me on twitter @datamongerbonny or at the next Healthcare TUG on August 14th...   Comments are closed.
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