Posts Tagged ‘ science ’

Visualizing citation impact

March 23, 2017
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Visualizing citation impact

Michael Bales and his associates at Cornell are working on a new visual tool for citations data. This is an area that is ripe for some innovation. There is a lot of data available but it seems difficult to gain...

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One statement employing two resistance tactics to fend off the data

March 10, 2017
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I want to parse this statement by new EPA Chief Scott Pruitt, as quoted in this New York Times article: I think that measuring with precision human activity on the climate is something very challenging to do and there’s tremendous disagreement about the degree of impact, so no, I would not agree that it’s a primary contributor to the global warming that we see. I'm not going to talk about…

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Reading Everything is Obvious by Duncan Watts

February 15, 2017
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Reading Everything is Obvious by Duncan Watts

In his book, Everything is Obvious (Once You Know the Answer): Why Common Sense Fails, Duncan Watts, a professor of sociology at Columbia, imparts urgent lessons that are as relevant to his students as to self-proclaimed data scientists. It takes only nominal effort to generate narrative structures that retrace the past, Watts contends, but developing lasting theory that produces valid predictions requires much more effort than common sense. Watts’s is…

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Pre-processing data is not just about correcting errors

January 30, 2017
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Pre-processing data is not just about correcting errors

Exploration of IMDB rating data, by Kaiser Fung, founder of Principal Analytics Prep

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Apparently Hollywood does not recycle action-movie plots. The data said so, so it must be right

January 25, 2017
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Apparently Hollywood does not recycle action-movie plots. The data said so, so it must be right

Today I continue to explore the movie dataset, found on Kaggle. To catch up with previous work, see the blog posts 1 and 2. One of the students came up with an interesting problem. Among the genre of action movies, are there particular plot elements that are correlated with box office? This problem is solvable because the dataset contains a variable called "plot keywords" lifted from IMDB. Plot keywords are…

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Good models + Bad data = Bad analysis

January 18, 2017
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Good models + Bad data = Bad analysis

Example showing how to diagnose bad data in data science models

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Chopped legs, and abridged analyses

December 27, 2016
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Chopped legs, and abridged analyses

Reader Glenn T. was not impressed by the graphical talent on display in the following column chart (and others) in a Monkey Cage post in the Washington Post: Not starting column charts at zero is like having one's legs chopped...

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Books on Scala for statistical computing and data science

December 22, 2016
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Books on Scala for statistical computing and data science

Introduction People regularly ask me about books and other resources for getting started with Scala for statistical computing and data science. This post will focus on books, but it’s worth briefly noting that there are a number of other resources available, on-line and otherwise, that are also worth considering. I particularly like the Coursera course … Continue reading Books on Scala for statistical computing and data science

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Scala for Data Science [book review]

December 22, 2016
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Scala for Data Science [book review]

This post will review the book: Scala for Data Science, Bugnion, Packt, 2016. Disclaimer: This book review has not been solicited by the publisher (or anyone else) in any way. I purchased the review copy of this book myself. I have not received any benefit from the writing of this review. Introduction On this blog … Continue reading Scala for Data Science [book review]

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Inspired by water leaks

December 19, 2016
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Inspired by water leaks

For me, 2016 is a year of water leaks. I was forced to move apartments during the summer. (Blame my old landlord for the lower frequency of posts this year!) That old apartment was overrun by water issues. In the past four years, there were two big leaks in addition to annual visible "seepage" in the ceiling. The first big leak ruined my first night back from Hurricane Sandy-induced evacuation.…

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