Those who are disillusioned by the failings of opinion polling may be interested in Betfair Predicts---a set of predictions based on markets in their betting exchange. … [Read more...]
R is no more scary than Excel
John Mount of Win-Vector looks at doing analysis in Excel and R. He concludes that R isn't as scary as it sounds. If you are an Excel jockey who's heard about R, but has yet to take the plunge, it's worth a look. … [Read more...]
Twitter’s anomaly detection package for R
Twitter have an interest in detecting anomalies in their service. Anomalies could be down to user engagement, spamming or technical issues. Regardless of the reasons, it's something they want to know about when it happens. To aid detection of anomalies in their time series data they have developed, and open-sourced, an anomaly detection package for R. Their algorithm is based on the Generalized … [Read more...]
R is fastest growing topic on Stack Overflow
Joshua Kunst has analysed Stack Overflow postings and found that R is currently the fastest growing topic. Stack Overflow is a question and answer site popular with software developers. Questions are tagged with topics and these topics formed the basis of the analysis. Kunst used R to perform the analysis and he provides a walk-through---making extensive use of the pipeline operator from the … [Read more...]
Why Managing Risk with Spreadsheets is Risky
I'm encouraged by the fact that some organizations I speak to are trying to get their spreadsheet sprawl under control. However, far too many remain ignorant of the risks they are shouldering. Stratford Dick of Marsh ClearSight recently published an article describing how spreadsheets might be hurting your company. In his article he highlights the following risks. Spreadsheet development is … [Read more...]