4.0 Six Sigma

Use of Data Transformation in Analysis (S021)


Description
This course provides an introduction to Box-Cox and other techniques to transform non-normal data for improved sensitivity of analysis. Course topics include;

- What is Data Transformation?
- Review: Parametric vs. Nonparametric Testing
- Review: Normal Distribution
- Why Transform Data?
- Impact of using the wrong test
- Methods of Transformation
- Manual: Square Root & Log
- Box-Cox & Johnson
Drawing the wrong conclusions
- Knowing your tests and assumptions

Estimated effort: 1 hour

BEFORE YOU START THE COURSE: Download the files listed on this page (see below). They can also be downloaded at any time during the training from he files TAB located top right of the training screen. You may wish to print the "Presentation Workbook" which is in a 3-slide per page format with sections for taking notes. You may be prompted at various times during the presentation to pause the recording and complete a brief assignment or answer questions. There is also a resource page that contains links to other sites and tools that will be referenced during your training.

COURSE ELEMENTS: Your course includes a main presentation (video), supplemental articles and, if applicable, links to supplemental recommended resources. Note: Your course test is only based on the content provided in the main presentation (video).
Content
  • RPM-S021-Use of Data Transformation in Analysis.wmv
  • Quick Quiz-S021
Completion rules
  • All units must be completed