Posts Tagged ‘ Business ’

Rejecting the data-free argument in support of the cashier-free Shake Shack

October 13, 2017
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It's always frustrating to see media outlets play loose with facts. When I read a headline like "Shake Shack's New Cashier-Free Location Really Does Reduce Wait, So Far," (link) I am expecting to read some evidence that the wait times of customers have decreased. Granted, this is a hard problem because you always need a "control" - something to compare to. And when this is a new restaurant, in a…

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Analysts must reckon with the fake data menace

October 9, 2017
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Kaiser Fung, founder of Principal Analytics Prep, comments on the fake data and fraud problem in digital advertising, and calls on data scientists and analysts to rise up to the challenge.

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Excel is the graveyard of charts, no!

October 5, 2017
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Excel is the graveyard of charts, no!

Kaiser Fung, creator of Junk Charts blog and founder of Principal Analytics Prep, encourages Excel users to work harder at making nice data graphics.

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Report from the NBA Hackathon 2017

September 25, 2017
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Report from the NBA Hackathon 2017

Kaiser Fung, founder of Junk Charts and Principal Analytics Prep, reports on his experience as a judge in the NBA Hackathon, held on September 23-24, 2017 in New York City.

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Details, details, details: giving Zillow a pie treatment

August 22, 2017
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Details, details, details: giving Zillow a pie treatment

Kaiser Fung, founder of Junk Charts and Principal Analytics Prep, takes a detailed look at a Zillow chart, showing underwater homes and delinquent mortgages. Surprisingly, pie charts work well here.

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Did web scraping just receive a legal boost?

August 15, 2017
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Kaiser Fung, founder of Principal Analytics Prep and author of Numbersense, discusses a recent legal ruling against LinkedIn's technologies that restricts web scraping.

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Speed demon quartered and shrunk

August 14, 2017
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Speed demon quartered and shrunk

Kaiser Fung, founder of Junk Charts and Principal Analytics Prep, explains how Microsoft distorted and exaggerated the relative speed of its Edge browser relative to competition

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A call for less automation, more transparency in digital advertising

August 8, 2017
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Kaiser Fung, founder of Principal Analytics Prep and founding director of Applied Analytics at Columbia, calls for reform in the digital advertising industry to address concerns about measurability and accountability

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Know your data 21: another example of data sleaze, straight from your home

August 1, 2017
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Kaiser Fung, founder of Principal Analytics Prep and author of Numbersense, reacts to the news that Roomba captures detailed maps of people's homes.

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If you are using Facebook Ads split testing (A/B testing), stop fooling yourself

July 26, 2017
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Kaiser Fung, founder of Principal Analytics Prep, and former director of Applied Analytics at Columbia University, explains why you can't run proper A/B tests on Facebook

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