Andrew Clegg
Andrew is Director of Learner Analytics & Data Science at Pearson, where he applies machine learning, statistical analysis and data visualization techniques to the challenges of 21st century education.
He has a masters degree in bioinformatics and a doctorate in natural language processing, from Birkbeck, University of London, and has worked in various fields including social media, biomedical research and online gaming analytics.
Talks I've Given
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Lies, Damned Lies & Dataviz
Featuring Andrew Clegg
Data visualization is everywhere in the business world, from boardrooms to newspapers to data centres. But not all graphs and charts are as clear as they could be. Many are simply misleading, and the volume and variety of data available today can get in the way of clarity and veracity.
data-visualization data bigdatax -
Scaling up k-nearest neighbours classification
Featuring Andrew Clegg
This talk will introduce k-nearest neighbours, describe its performance characteristics, and discuss some tricks to speed it up on differentkinds of data -- and how to apply them in a production setting.
big-o scaling java c++ data-structures math c# c sorting python graph language-agnostic arrays php -
Data processing with Pig
Featuring Andrew Clegg
This month's meetup is focusing on Pig and how it's used as a higher level language on top of Hadoop. Andrew Clegg presents a talk on Data processing with Pig.
hadoop pig nosql