Posts Tagged ‘ Python ’

Estimating required hospital bed capacity

July 23, 2012
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Estimating required hospital bed capacity

Estimating required hospital bed capacity requires a thorough analysis. There are a lot of ways of approaching a capacity requirement problem, but I think we can agree that a simple spreadsheet analysis just won't cut it. The approach described in this post makes use of discrete-event simulation and, just to  Read more »The post Estimating required hospital bed capacity...

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Using discrete-event simulation to simulate hospital processes

July 12, 2012
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Using discrete-event simulation to simulate hospital processes

Discrete-event simulation is a very useful tool when it comes to simulating alternative scenario’s for current of future business operations. Let’s take the following case; Patients of an outpatient diabetes clinic are complaining about long waiting times, this seems to have an adverse effect on patient satisfaction and patient retention.  Read more »The post Using discrete-event simulation to simulate...

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R/Python Web Apps

June 10, 2012
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I have a little delinquent on this whole blogging thing but here is a talk I gave to the DC R Group. On a twisted and Rpy2 web application framework that I built for my company. Enjoy http://bit.ly/NW0Neg J

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Visualizing the #nonato Twitter hashtag – time series and top users

May 21, 2012
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Visualizing the #nonato Twitter hashtag – time series and top users

  The NATO summit is currently being held in Chicago, and, as is typical for NATO or G# summits, the streets and tweets are full of dissent.  In the spirit of my past investigations of online dissent (#jan25, #25bahman, #12fev,… Read more ›

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Data Science Books for Computational Journalists

May 8, 2012
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There are quite a few books out now on “data science”. I’ve picked out three that I think are the best place to start for computational journalists. First is Machine Learning for Hackers, by Drew Conway and John Myles White. The autho...

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Late-April flotsam

April 25, 2012
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Late-April flotsam

It has been month and a half since I compiled a list of statistical/programming internet flotsam and jetsam. Via Lambda The Ultimate: Evaluating the Design of the R Language: Objects and Functions For Data Analysis (PDF). A very detailed evaluation … Continue reading →

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User Input in R vs Python

April 18, 2012
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Both R and Python have facilities where the coder can write a script which requests a user to input some information. In Python 2.6, the main function for this task is raw_input (in Python 3.0, it’s input()). In R, there are a series of functions that can be used to request an input from the user,

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ThinkStats … in R :: Example/Chapter 2 :: Example 2.1-2.3

March 14, 2012
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ThinkStats … in R :: Example/Chapter 2 :: Example 2.1-2.3

As promised, this post is a bit more graphical, but I feel the need to stress the importance of the first few points in chapter 2 of the book (i.e. the difference between mean and average and why variance is meaningful). These are fundamental concepts for future work. The “pumpkin” example (2.1) gives us an

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Early-March flotsam

March 8, 2012
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Early-March flotsam

It has been a strange last ten days since we unexpectedly entered grant writing mode. I was looking forward to work on this issue near the end of the year but a likely change on funding agency priorities requires applying … Continue reading →

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ThinkStats … in R (including Example 1.2)

March 4, 2012
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ThinkStats (by Allen B. Downey) is a good book to get you familiar with statistics (and even Python, if you’ve done some scripting in other languages). I thought it would be interesting to present some of the examples & exercises in the book in R. Why? Well, once you’ve gone through the material in a

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