R: A first attempt at linear regression

I’ve been working through the videos that accompany the Introduction to Statistical Learning with Applications in R book and thought…

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Neo4j: Generic/Vague relationship names

An approach to modelling that I often see while working with Neo4j users is creating very generic relationships (e.g. HAS,…

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Neo4j: COLLECTing multiple values

One of my favourite functions in Neo4j’s cypher query language is COLLECT which allows us to group items into an…

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R: Calculating rolling or moving averages

I’ve been playing around with some time series data in R and since there’s a bit of variation between consecutive…

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Java: Determining the status of data import using kill signals

A few weeks ago I was working on the initial import of ~ 60 million bits of data into Neo4j…

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Neo4j: LOAD CSV – Processing hidden arrays in your CSV documents

I was recently asked how to process an ‘array’ of values inside a column in a CSV file using Neo4j’s…

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Neo4j 2.1: Passing around node ids vs UNWIND

When Neo4j 2.1 is released we’ll have the UNWIND clause which makes working with collections of things easier. In my…

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Jersey/Jax RS: Streaming JSON

About a year ago I wrote a blog post showing how to stream a HTTP response using Jersey/Jax RS and…

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Java 8: Lambda Expressions vs Auto Closeable

If you used earlier versions of Neo4j via its Java API with Java 6 you probably have code similar to…

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