Where to Start if You Want to be a Data Scientist

What knowledge/skills must an entry-level Data Science engineer have? originally appeared on Quora – the knowledge sharing network where compelling questions are answered by people with unique insights. Answer by Vijay Krishna Narayanan, Head of Data Science, Director, Algorithms and Data Science at Microsoft, on Quora. It is useful to have the foundational skills in the following areas: Basic probability and statistics including distributions, hypothesis testing, estimators, confidence intervals, etc. Computer science: data structures and Algorithms, Basics of machine learning – supervised vs. unsupervised methods, essentials of a few methods including objective functions, regularization, risk minimization, bias/variance trade-off, cross-validation, hyper-parameters, classes of hypothesis functions – linear models, trees, neural networks, kernels etc., commonly used methods to handle numeric, boolean, categorical, text data etc. Familiarity of using these methods in some…


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