R: Snakes and ladders markov chain

A few days ago I read a really cool blog post explaining how Markov chains can be used to model…

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Neo4j: The learning to cycle dependency graph

Over the past couple of weeks I’ve been reading about skill building and the break down of skills into more…

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Neo4j: Cypher – Building the query for a movie’s profile page

Yesterday I spent the day in Berlin delivering a workshop as part of the Data Science Retreat and one of…

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Neo4j: Generating real time recommendations with Cypher

One of the most common uses of Neo4j is for building real time recommendation engines and a common theme is…

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InetAddressImpl#lookupAllHostAddr slow/hangs

Since I upgraded to Yosemite I’ve noticed that attempts to resolve localhost on my home network have been taking ages…

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Topic Modelling: Working out the optimal number of topics

In my continued exploration of topic modelling I came across The Programming Historian blog and a post showing how to…

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Neo4j: TF/IDF (and variants) with cypher

A few weeks ago I wrote a blog post on running TF/IDF over HIMYM transcripts using scikit-learn to find the…

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R: Weather vs attendance at NoSQL meetups

A few weeks ago I came across a tweet by Sean Taylor asking for a weather data set with a…

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R: Featuring engineering for a linear model

I previously wrote about a linear model I created to predict how many people would RSVP ‘yes’ to a meetup…

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