Vignesh Sivan Email & Phone Number

Senior Data Scientist, Technological Expert & Big Data Enthusiast with 6+ years experience in Analytics building various predictive and forecasting models.Strong background in Probabilistic/Statistical modelling, Machine Learning, Pattern Recognition, Natural Language Processing, Operations Research, Big Data and Visualization.Strong and expert level experience using R , Python, Scikit and RevoR.Computing skills: R, Revo-R, Python, Spark, Hadoop, PHP, Javascript, SQL/NoSQL databases, Parallel and Distributed ComputingSpecialities: Linear/Poisson Regression, Logistic Regression, Bayesian Regression, Generalized Additive Models, MARS, CHAID, CART, Clustering, LDA, LSA, Decision Tree, Random Forest, Time-Series Models, SVM, Neural Networks.

Listed skills include Python, R, Sql, Analytics, and 10 others.

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  Data Scientist

  Confidential Employer

  Jun 2013 - Present - Canada

  - Propensity Modelling and pipeline sales forecasting- Re-Admission risk modelling- Multi-variate/Bayesian regression to forecast the electricity consumption- Poisson/Logistic Regression to estimate historic/future supply forecasting for VoD- Hierarchical/Probabilistic Clustering to identify meaningful business clusters- Life cycle forecasting of Food products/ingredients- Dynamic ROI Forecasting for omni channel digital marketing campaigns- Response Model Forecasting for omni channel digital marketing campaigns- Linear and Mixed Programming Optimization for HVAC load shifting- Topic modelling/semantic analysis- Social media research and insights- Worked on various Naive Bayes classifiers- KPI and campaign report automation - Project Management & Client Interaction