- 305 Views
- Updated On :

DESIGN OF EXPERIMENTS. M. Piczak November 2005. THE ANALYST’S PURPOSES. UNDERSTANDING (a command of general cause and effect relationships associated with a particular phenomenon) EXPLANATION (application of selected relationships to a particular observation)

Related searches for DESIGN OF EXPERIMENTS

Download Presentation
## PowerPoint Slideshow about 'DESIGN OF EXPERIMENTS' - ivanbritt

**An Image/Link below is provided (as is) to download presentation**
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

Presentation Transcript

THE ANALYST’S PURPOSES

- UNDERSTANDING (a command of general cause and effect relationships associated with a particular phenomenon)
- EXPLANATION (application of selected relationships to a particular observation)
- PREDICTION (extending knowledge of relationships to a future event)
- CONTROL (intervening with the intent of either stimulating or preventing a particular event)

PREFERRED PREDICTORS

- GYPSIES
- BOOKIES
- TAROT CARDS
- PALM READERS
- FARMER’S ALMANAC
- HOROSCOPE
- FORTUNE COOKIES
- EQUATIONS

THE DOE OBJECTIVE:

- To establish a causal link between selected independent variables X’s and particular dependent Y variables
- To isolate or disentangle the independent effect being exerted on a response variable

POINT OF DEPARTURE

- Ho: That there exists no relationship between the X and Y variable (assumes that the value of the coefficient for Xi = 0)
- Ha: That there exists a relationship between the X and Y variable

The challenge is to disprove Ho and thus, accept Ha

OPTIONS PRESENT THEMSELVES

- REGRESSION METHODS
- TAGUCHI METHODS
- SHAININ METHODS
- 6 SIGMA METHODS
- CLASSIC DESIGN OF EXPERIMENTS

SOUND EXPERIMENTAL PROCEDURE

- Start with a uniformity, regularity or anomaly worthy of examination (See ‘What is Worth Studying’)
- Establish the research questions
- Undertake a literature review to identify other key explanatory variables (See ‘Weird Predictors’)
- Explicate the relevant theory for each X variable as it relates to Y, a priori
- Establish the measures for X and Y
- Choose an experimental design using Minitab
- Execute the experiment
- Gather the data
- Analyze the data
- Draw conclusions
- Repeat as necessary to cumulate knowledge

SETTING UP THE DATA

F = M * A

ADDING THE Y DATA

F = M * A

CALCULATING COEFFICIENTS

F = M * A

WILL REGRESSION GIVE THE SAME RESULTS?

CODED DATA

THE THEORY

Thus, the actual model:

OTHER RESOURCES

- http://www.airacad.com/PaperDOE.aspx
- http://www.statease.com/pubs/popcorn.pdf
- http://thequalityportal.com/q_know02.htm
- http://www.hq.nasa.gov/office/hqlibrary/ppm/ppm35.htm
- http://www.isixsigma.com/tt/doe/

Download Presentation

Connecting to Server..