Data Science Session
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Ankit Rathi gave an introductory presentation on data science. He discussed his own journey in data science and the skills needed, which include data literacy, programming, statistics, and storytelling. He highlighted challenges like stakeholder buy-in and data issues. Rathi recommended learning approaches like Kaggle and Analytics Vidhya for hands-on practice and staying updated in the field.
Data Science Session
- 1. Ankit Rathi Data Science (Introductory Session)
- 3. 3 Let me start with a story…
- 4. 2.4 3 5.5 1.5 0.5 Perot Mastek RBS Genpact SITA SQL, PL/SQL ETL, DWH, BI R/Python, Hadoop/Spark, Azure/AWS My Journey
- 6. 6 2012: The turning point…
- 7. 7 3 4 3.5 3 3 0 3 4 3.5 3 0 0 3 3.5 4 0 0 3 4 3.5 0 0 2 2.5 3 PEROT(2005-07) MASTEK(2007-10) RBS1(2010-13) RBS2(2013-16) GENPACT/SITA(2016-TILL NOW) SQL/PLSQL ETL/DWH/BI R/Python Hadoop/Spark AWS/Azure Skill-set Evolution
- 9. 9 Setting the expectations •Expertise Vs Data Science •Breadth & depth of the field •Requires knowledge & skills (practice, practice, practice) •Scope: Overview & approach only
- 10. 10 Data Science
- 13. 13 What is Data Science?
- 14. 14 Data science is an interdisciplinary field of scientific methods, processes, algorithms and systems to extract knowledge or insights from data in various forms, either structured or unstructured, similar to data mining. ~ Wikipedia What is Data Science?
- 15. 15 What is Data Science?
- 16. 16 How to do Data Science?
- 17. 17 Skill-set of a Data Scientist • Data Literacy • Linear Algebra, Statistics & Probability • Algorithms • Programming (SQL/R/Python, KNIME/SPSS) • Domain Knowledge • Story-telling
- 18. 1818 Challenges •Stakeholders Buy-in •Data Issues (Access, Quality) •Problem Statement •Maturity (Process, Analytics) •Wrong Expectations
- 19. 19 Learning Approach •Kaggle (learn, apply, compete) •Analytics Vidhya (learn, stay updated, compete) •KDNuggets (learn, stay updated) •Machine Learning Mastery (learn, apply) •Data Science Central (learn, stay updated) •Quora, Medium & StackOverflow (ask, learn, stay updated)
- 20. 20 “If you want to learn to swim, jump into the water.” ~ Bruce Lee “The secret of getting ahead is getting started.” ~ Mark Twain
- 21. 21 Demo
- 23. 23 Questions?