Analysis of variance
Design of experiments
Article REF: P230 V2
Analysis of variance
Design of experiments

Author : Jacques GOUPY

Publication date: September 10, 1997, Review date: October 1, 2020 | Lire en français

Logo Techniques de l'Ingenieur You do not have access to this resource.
Request your free trial access! Free trial

Already subscribed?

7. Analysis of variance

Let's now turn to the case of discrete factors with more than two levels. To study them, we need to adopt a technique well known to statisticians: analysis of variance or ANOVA (see [23] ). It is not our intention to describe this tool in detail, which can be found in any good statistics book, but simply to show its links with experimental design.

7.1 Defining the effect of a factor

Let's take the example of a "person" factor. If there are three levels of person, this means there are three individuals: James, Louis and Peter. If they set up the same analysis method and all conditions are the same for a determination made by each of them, they will obtain three slightly different results: y...

You do not have access to this resource.
Logo Techniques de l'Ingenieur

Exclusive to subscribers. 97% yet to be discovered!

You do not have access to this resource. Click here to request your free trial access!

Already subscribed?

Article included in this offer

"Laboratory quality and safety procedures"

( 140 articles )

Complete knowledge base

Updated and enriched with articles validated by our scientific committees

Services

A set of exclusive tools to complement the resources

View offer details
Contact our team FAQ