Johns Hopkins University

Getting and Cleaning Data

This course is part of multiple programs.

Jeff Leek, PhD
Roger D. Peng, PhD
Brian Caffo, PhD

Instructors: Jeff Leek, PhD

208,919 already enrolled

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Gain insight into a topic and learn the fundamentals.
4.5

(8,057 reviews)

19 hours to complete
3 weeks at 6 hours a week
Flexible schedule
Learn at your own pace
90%
Most learners liked this course
Gain insight into a topic and learn the fundamentals.
4.5

(8,057 reviews)

19 hours to complete
3 weeks at 6 hours a week
Flexible schedule
Learn at your own pace
90%
Most learners liked this course

What you'll learn

  • Understand common data storage systems

  • Apply data cleaning basics to make data "tidy"

  • Use R for text and date manipulation

  • Obtain usable data from the web, APIs, and databases

Details to know

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Assessments

4 quizzes

Taught in English

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There are 4 modules in this course

In this first week of the course, we look at finding data and reading different file types.

What's included

9 videos4 readings1 quiz

Welcome to Week 2 of Getting and Cleaning Data! The primary goal is to introduce you to the most common data storage systems and the appropriate tools to extract data from web or from databases like MySQL.

What's included

5 videos1 quiz

Welcome to Week 3 of Getting and Cleaning Data! This week the lectures will focus on organizing, merging and managing the data you have collected using the lectures from Weeks 1 and 2.

What's included

7 videos1 reading1 quiz3 programming assignments

Welcome to Week 4 of Getting and Cleaning Data! This week we finish up with lectures on text and date manipulation in R. In this final week we will also focus on peer grading of Course Projects.

What's included

5 videos2 readings1 quiz1 programming assignment1 peer review

Instructors

Instructor ratings
4.3 (328 ratings)
Jeff Leek, PhD
Johns Hopkins University
32 Courses1,653,374 learners

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Recommended if you're interested in Data Analysis

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4.5

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Reviewed on Feb 5, 2016

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Reviewed on Nov 25, 2017

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