Skill IQ

Cleaning data accounts for 70-80% of an analyst’s time. This skill teaches you how to understand the nature of your data, identify problem areas, and then clean the data set to enable your analysis using R.

Courses in this path

Beginner

Alter data types to enable later analytics as well as altering and renaming columns in a dataframe for tidy data sets.

Querying and Converting Data Types in R

  • by Martin Burger
  • 2h 6m Duration
  •  (14)

Manipulating Dataframes in R

  • by Chase DeHan
  • 1h 24m Duration
  •  (15)

Intermediate

Clean string data, manage missing data values, duplicate data rows, and manage invalid data.

Manipulating String Data in R

  • by Martin Burger
  • 2h 1m Duration

Coping with Missing, Invalid, and Duplicate Data in R

  • by Martin Burger
  • 2h 48s Duration

Advanced

Validate data cleanliness using asserts.

Validating Data Using Asserts in R

  • by Jason Browning, Ph.D.
  • 55m Duration

Learn with the best

Martin Burger
Martin Burger
Martin studied biostatistics and worked for several pharmaceutical companies before he became a data science consultant and author. He published over 15 courses on R, Tableau 9 and other data science related subjects. His main focus lies on analytics software like R and SPSS but he is also interested in modern data visualization tools like Tableau. If he is not busy coding, blogging or working out new teaching concepts you may find him skiing or hiking in the Alps.
Chase DeHan
Chase DeHan
Chase is currently Lead Data Scientist at Tesorio and formerly was an Assistant Professor of Finance and Economics at the University of South Carolina Upstate. He holds a BS, MS, and PhD, all in Economics, from the University of Utah. Prior to graduate school, Chase served two combat tours to Iraq with the US Marine Corps and competed in the 2010 Winter Olympic Trials in Bobsled. Chase is passionate about building automated machine learning systems and is a regular speaker at academic and pra... more
Jason Browning, Ph.D.
Jason Browning, Ph.D.
Jason Browning is a data and analytics professional with extensive experience in both the public and private sector. As a Tableau Desktop Certified Professional, Jason loves to build data visualizations that both inform and inspire. He is capable of wrangling messy data both inside and outside of Tableau, and using SQL to perform complex queries. He works in higher education as a data governance and management consultant, and holds a Ph.D. in higher education administration from the University o... more

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With your yobo体育全站app下载t plan, you can:

With your 30-day pilot, you can:

  • Access thousands of videos to develop critical skills
  • Give up to 50 users access to thousands of video courses
  • Practice and apply skills with interactive courses and projects
  • See skills, usage, and trend data for your teams
  • Prepare for certifications with industry-leading practice exams
  • Measure proficiency across skills and roles
  • Align learning to your goals with paths and channels