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Statisticians publish guidance on p-values

March 8, 2016 By editor

The American Statistical Association has taken the unprecedented step of issuing guidance on the use of p-values. Its statement was prompted by concerns that misuse of p-values was driving bad science. Basic and Applied Social Psychology has refused to accept papers containing p-values. A p-value is "informally" defined in the statement as ...the probability under a specified statistical … [Read more...]

Filed Under: Data science Tagged With: misuse, p-values, statistics

Microsoft R Server is now on the Microsoft Data Science Virtual Machine

March 2, 2016 By editor

The Microsoft Data Science Virtual Machine (DSVM) now comes pre-configured with Microsoft R Server Developer Edition. As you can scale the DSVM according to your needs, this is an easy way to get going with some heavy duty R computations. … [Read more...]

Filed Under: Big data, Data analysis, Data science, Machine learning, Software

Google’s self-driving car causes crash

March 2, 2016 By editor

The New Scientist reports that one of Google's autonomous cars drove into a bus on 14 February 2016. Apparently Google's cars have been involved in 18 accidents in Mountain View since it started testing in 2010. All have been other vehicles striking a stationary or slow moving Google car. However, in the latest incident the AI decided to pull out into the path of the slow-moving bus---i.e. the AI … [Read more...]

Filed Under: Data analysis, Data science, Machine learning

Football match data repository

March 2, 2016 By editor

Football-Data maintains comprehensive CSV files of football matches dating back the the early 90s. Leagues currently covered are Belgian Dutch English French German Greek Italian Portuguese Scottish Spanish Turkish The data is well-formatted and free---so a great resource if you want to try out some data science techniques with simple, real-world, data. … [Read more...]

Filed Under: Data analysis, Data science

Conducting sentiment analysis using R

February 18, 2016 By editor

Learning Tree just published my article on conducting sentiment analysis using R and a web service. … [Read more...]

Filed Under: Data science Tagged With: R, sentiment analysis

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