Sunday, September 8, 2013

Matching misspelled brand names -- the easy way

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On Friday, Warby Parker 's Director of Consumer Insights approached me with some data. They had sent out a survey one question of which ...
4 comments:
Thursday, May 2, 2013

Leading Indicators: a response

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In an interesting thought experiment , Mike Loukides and Q Ethan McCallum asked the question  " If you’re looking at an org...
2 comments:
Wednesday, April 10, 2013

How do you create a data-driven organization?

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Something that I've been thinking a lot about recently is how do you create a data-driven organization? A lot of companies play lip se...
13 comments:
Tuesday, February 19, 2013

When tf*idf and cosine similarity fail

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In this post I cover 2 edge cases of cosine similarity with tf*idf weights that fail, i.e. that don't provide the cosine similarity va...
3 comments:
Thursday, February 14, 2013

20 Tips and tricks working with data

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In this post I lay out a number of tips, tricks and suggestions for working with data, from collection to storage to analysis. The main id...
Tuesday, January 22, 2013

When is a meat sandwich like a merchant? A python joke generator

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When is a meat sandwich like a merchant? When it is a burgher.   Yes, you can groan but don't blame me, heckle the computer. I...
Sunday, January 6, 2013

What's the significance of 0.05 significance?

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Why do we tend to use a statistical significance level of 0.05? When I teach statistics or mentor colleagues brushing up, I often get the ...
14 comments: