Harlan D. Harris
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  • Apple TV and cross-device user-interface integration

    calendar Nov 6, 2011 · 2 min read · gadgets smartphones technology televisions ui integration  ·
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    On last week’s Build and Analyze – a great podcast nominally about iOS development, but actually more about just living a tech-geek lifestyle – Marco talked a lot about the rumored “Apple TV” and whether it could actually be a groundbreaking product. He concluded that it probably couldn’t. Most people wouldn’t dump …


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  • Data Science, Moore's Law, and Moneyball

    calendar Sep 27, 2011 · 5 min read · analytics data science meetup  ·
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    I’m fond of navel gazing, meta discussions, and so forth. I’ve recently written about inferring navel gazing from link data, and about the meaning of the “Analytics” buzzword. This post will be my second on that other infectious buzzword, “Data Science”. When I moved to Washington DC in July, I was struck by the fact …


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  • hacking .gov shortened links

    calendar Jul 30, 2011 · 4 min read · analytics dataviz graphics hackathon R visualization  ·
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    This past Friday, the web portal to the US Federal government, USA.gov, organized hackathons across the US for programmers and data scientists to work with and analyze the data from their link-shortening service. It turns out that if you shorten a web link with bit.ly, the shortened link looks like 1.usa.gov/V6NpL …


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  • making meat shares more efficient with R and Symphony

    calendar May 9, 2011 · 9 min read · analytics csa operations research programming R  ·
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    In my previous post, I motivated a web application that would allow small-scale sustainable meat producers to sell directly to consumers using a meat share approach, using constrained optimization techniques to maximize utility for everyone involved. In this post, I’ll walk through some R code that I wrote to …


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  • making meat shares more efficient

    calendar May 9, 2011 · 6 min read · analytics csa food operations research  ·
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    A personal interest I have is the ethical and sustainable production of food. I’ve been a member of and helped run Community Supported Agriculture groups, and my wife and I currently purchase the majority of our meat from a group of upstate NY pastured-livestock producers who sell their products through CSAs. It’s an …


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  • intuitive visualizations of categorization for non-technical audiences

    calendar Apr 25, 2011 · 8 min read · analytics dataviz ggplot2 graphics predictive R visualization statistics  ·
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    For a project I’m working on at work, I’m building a predictive model that categorizes something (I can’t tell you what) into two bins. There is a default bin that 95% of the things belong to and a bin that the business cares a lot about, containing 5% of the things. Some readers may be familiar with the use of …


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  • On "Analytics" and related fields

    calendar Apr 15, 2011 · 6 min read · conferences data science job titles operations research statistics  ·
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    I recently attended the INFORMS Conference on Business Analytics and Operations Research, aka “INFORMS Analytics 2011”, conference in Chicago. This deserves a little bit of an explanation. INFORMS is the professional organization for Operations Research (OR) and Management Science (MS), which are terms describing …


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  • "Data Scientist" and other titles

    calendar Feb 13, 2011 · 3 min read · data science job titles statistics  ·
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    Neil Saunders has an interesting (to me) blog post up this morning, with the title “Dumped on by data scientists.” He uses the use of “data scientist” in a Chronicle of Higher Ed article to rant a little bit about the term. For Neil, it’s redundant, as the act of doing science necessarily requires data; it’s insulting, …


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  • how to speak ggplot2 like a native, and Predictive Analytics World

    calendar Oct 24, 2010 · 2 min read · ggplot2 meetup R  ·
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    I was recently given the opportunity to re-present my ggplot2 talk, which I originally gave to the NYC R Meetup, to the DC R Meetup group. The Meetup was held co-located with the Predictive Analytics World conference in Alexandria, VA. (More on my thoughts on PAW below…) Contentwise, I made only small changes, changing …


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  • Prediction with Multilevel Regression Models, and Pizza

    calendar Oct 15, 2010 · 3 min read · meetup statistics R  ·
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    The Meetup phenomenon, which is now substantial and longstanding enough to be more of a cultural change than a flash in the pan, continues to impress me. Even more so than tools like LinkedIn, Meetups have changed the nature of professional networking, making it more informal, diverse, and decentralized. Last night, …


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Featured Posts

  • Communicating A/B Test Results for Conversion Rates with Ratios and Uncertainty Intervals
  • Staff Data Scientist: Comments on Will Larson's Staff Engineer Book

Recent Posts

  • Communicating A/B Test Results for Conversion Rates with Ratios and Uncertainty Intervals
  • Staff Data Scientist: Comments on Will Larson's Staff Engineer Book
  • A/B Testing and Product Ratings, Part 1: Delays and Bias
  • New Publications and Upcoming Talks
  • Stovetop Smoked Chinese Fish
  • How I Rewrite Recipes
  • On moving my blog from Wordpress to Blogdown
  • On How and When to Teach Layers of Abstraction in Programming

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Harlan D. Harris

Copyright 2009-  HARLAN D. HARRIS. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License

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