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What is Data Science
Data Science is a multi-disciplinary field that combines skills in software engineering and statistics with domain experience to support the end-to-end analysis of large and diverse data sets, ultimately uncovering value for an organization and then communicating that value to stakeholders as actionable results.
Data Scientist
Person who is better at statistics than any software engineer and better at software engineering than any statistician.
What Skills Do You Need?
Mathematics - Calculus, Linear Algebra Statistics - Hypothesis, Testing, Regression Programming - SQL, R/Python Machine Learning - Supervised and Unsupervised Learning, Model Fitting Business/Product Intuition - Interpret and communicate results to non-technical audience
Life Cycle
1 - Identify or Formulate Problem 2 - Data Preparation 3 - Data Exploration 4 - Transform and Select 5 - Build Model 6 - Validate Model 7 - Deploy Model 8 - Evalute or Monitor Results