Training and consultancy for testing laboratories.

Posts tagged ‘ANOVA’

A worked example to estimate sampling precision & measurement uncertainty

Soil sampling B1

Nearly all analysis requires the taking of a sample, a procedure which itself introduces uncertainty into the final test result.  Hence a measurement uncertainty should cover both the uncertainties of sampling and analysis….

A worked example to estimate sampling precision and MU

One-way ANOVA by first principle – an illustration

To understand how to go about evaluating sampling uncertainty and quality control of sampling, we must be familiar with the basic analysis of variance ANOVA principles….

An illustration of One-way ANOVA

 

How to interpret an ANOVA table?

how-to-interpret-an-anova-table

ANOVA revisited

analysis-of-variance-anova-revisited

ANOVA calculations

the-arithmetic-of-anova-calculations

How to apply the LSD method?

the-least-significance-difference-method

Study of one-way ANOVA with a fixed-effect factor

study-of-one-way-anova-with-a-fixed-effect-factor

Introducing ANOVA

introduction-to-analysis-of-variance-anova

Further notes on data transformations

Further short notes on data transformations

DOE – Strategy for checking model assumptions Part 2

DOE – Strategy for checking model assumptions Part 2