The Weight Watcher – a Goal Attainment Scale
Behaviour / Data Science / DevOps / PaaS / Technology

The Weight Watcher – a Goal Attainment Scale

This blog is about where technology meets the behavioural sciences, so here we have a post describing how technology can be an adjunct to encourage adherence to a weight management intervention.  In this example we show how to monitor progress of the 5:2 Fast Diet using the Goal Attainment Scale method together with actual weight measurement … Continue reading

4CastR – a Sales Forecast Method in R
Data Science / Methodology / Presales / R

4CastR – a Sales Forecast Method in R

This post describes a simple methodology by which to organise and visualise a sales pipeline. Sales opportunities are scored along two dimensions – the maturity of the business case and your relative competitive standing. Once scored, results can be graphically depicted using a balloon chart in which the area of the circle scales to the … Continue reading

Really Simple Rules Service
Data Science / OpenShift

Really Simple Rules Service

The Drools rules engine provides a very powerful business rule processing capability.  However, implementing even the most simple of use cases may require considerable client side scaffolding code.  This post presents a pattern on how Drools services can be consumed and produced as a very simple service – really simple rules service (RSRS).  The method … Continue reading

Spaghetti Plots
Data Science

Spaghetti Plots

Overview Spaghetti plots are a useful data visualisation technique particularly in longitudinal analysis. This post provides some sample spaghetti plots together with the annotated R code used to create them. For an excellent treatment on longitudinal analysis and the role of spaghetti plots read: Bolger, N., & Laurenceau, J.-P. (2013). Intensive Longitudinal Methods: An Introduction … Continue reading