What is data scientist? What do you think data scientist do in their day-to-day work?
A: A data scientists day to day job may vary from company to company and from industry to industry. There is really no right or wrong answer.
Hacking skills, Math & Statistics Knowledge, Substantive Expertise. Data Science is the center of three fields.
Basic Data Scientist skills: What does it mean a data scientist to have "substantive expertise" and why is it important?
A: It is important for data scientists to have substantive expertise so they know what questions to ask and investigate, as well as how to interpret the data under the right context.
How can we solve real world problems with data science?
A: Data science can solve problems you'll expect: Netflix, Social Media, Web Apps (OkCupid, Uber, etc.) And a ton more you might not expect: Bioinformatics, Urban Planning, Astrophysics, Public Health.
Pandas: R + Python = Pandas, 1. useful for manipulating data, 2. R-lite elements in Python.
Dataframes: name, age, fare, survived.
Create a new dataframe
Assignment: Titanic, predict who will survive?
Class Project: Analyzing subway ridership, weather underground data
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