Gregg Barrett

machine learning analytics big data data science artificial intelligence procurement insurance r gradient boosting hadoop p&c insurance contract management hardtech deeptech cirrus foundry fund cirrus foundry cirrus artificial intelligence foundry ai foundry ai africa expected loss deep learning track vehicle boosting case study data lake cloudera strategic sourcing iaccm managed learning risk management uima southern africa machine learning lab machine learning foundry artificial intelligence laboratory artificial intelligence lab ai lab wits university industry academia supervised learning unsupervised learning trees regression classification tesla high performance vehicle tesla advanced technologies tesla roadster tesla track vehicle project management road car race car commercial document commercial plan project document project plan track car severity prediction gradient boosting machine frequency expected loss modelling crisp-dm driver training revenue generation travel program tesla motors high performance driver experience startup social networking pointwise mutual information ingredient network recipes ingredient compliment network beer brewing t-sne deep belief network frequent subgraph discovery simplified ingredient merging map principle component analysis analytics department management leadership impala cdh sql chicago employee data mean variance optimisation rmetrics fportfolio apache hadoop ecosystem forrester research iaas use case nosql costs ibm implementation mapreduce memetic relative influence glmulti feature selection variable importance elastic net least squares logistic linear discriminate analysis tabu seach variable selection gamlss lasso random forest least squares regression ridge regression efron lasso model model assessment diabetes data mro revolution analytics microsoft r server revolution r open microsoft r open mkl revolution r enterprise microsoft r services rre insurance measures dashboard insurance ratios expense ratio p&c insurance metrics average claim settlement time loss ratio combined ratio insurance metrics data and analytics mit sloan management review intermountain collaborative filtering movielens mahout item-based recommendations recommendations data mitsloan ge chicago crime data pig hive hortonworks biginsights mapr report supplier relationship management customer relationship management contracting spend management bnsf contract lifecycle management middleware property and casualty acord short-term