Featured Author

Dong Meng
Data Scientist, MapR Technologies, Inc.

As a Data Scientist for MapR, Dong helps customers solve their business problems by leveraging his years of experience in statistical machine learning, data mining, and big data product development.

Author's Posts

Posted on August 30, 2016 by Dong Meng

Apache PredicitonIO is an open source machine learning server. In this article, we integrate Apache PredictionIO with the MapR Converged Data Platform 5.1 as a backend. Specifically, we use MapR-DB (1.1.1) for event data storage, ElasticSearch for metadata storage, and MapR-FS for model data storage.

Posted on August 4, 2016 by Dong Meng

In the big data enterprise ecosystem, there are always new choices when it comes to analytics and data science. Apache incubates so many projects that people are always confused as to how to go about choosing an appropriate ecosystem project. In the data science pipeline, ad-hoc query is an important aspect, which gives users the ability to run different queries that will lead to exploratory statistics that will help them understand their data.

Posted on January 7, 2016 by Dong Meng

XGBoost is a library that is designed for boosted (tree) algorithms. It has become a popular machine learning framework among data science practitioners, especially on Kaggle, which is a platform for data prediction competitions where researchers post their data and statisticians and data miners compete to produce the best models.

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