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Learner Reviews & Feedback for Wrangling Data in the Tidyverse by Johns Hopkins University

16 ratings
6 reviews

About the Course

Data never arrive in the condition that you need them in order to do effective data analysis. Data need to be re-shaped, re-arranged, and re-formatted, so that they can be visualized or be inputted into a machine learning algorithm. This course addresses the problem of wrangling your data so that you can bring them under control and analyze them effectively. The key goal in data wrangling is transforming non-tidy data into tidy data. This course covers many of the critical details about handling tidy and non-tidy data in R such as converting from wide to long formats, manipulating tables with the dplyr package, understanding different R data types, processing text data with regular expressions, and conducting basic exploratory data analyses. Investing the time to learn these data wrangling techniques will make your analyses more efficient, more reproducible, and more understandable to your data science team. In this specialization we assume familiarity with the R programming language. If you are not yet familiar with R, we suggest you first complete R Programming before returning to complete this course....

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1 - 6 of 6 Reviews for Wrangling Data in the Tidyverse

By Glenn

Dec 15, 2020

Course provides a good albeit very cursory overview of data wrangling tools in the tidyverse. However, the bulk of my time was wasted on a quiz question which was unclear/had wrong wording. As the figure is supposed to be keyed in (not multiple-choice), it was frustrating trying to guess what the question actually wanted.

By m s

Dec 30, 2020

Loved it! I really liked that it was all reading and based in real examples! Thank you!

By Long T V

Apr 24, 2021

Excellent course! I've learned so many useful R techniques/codes!

By Stefan M

Oct 2, 2021

Great course with clearly understandable lectures.

By Moses O

Dec 9, 2020


By Adaman Y

Sep 25, 2021