p-value.info

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...

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...

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...

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...

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 ...

In this post, I'll cover how to build a crude, simple but working news aggregator in about 100 lines of python ( source code ). While ...

There has been some buzz in the last week or so around a paper detecting the credibility of tweets. As Twitter has grown, so has spam. Mor...