ISO 10928:2016

DRAFT INTERNATIONAL STANDARD
ISO/DIS 10928
ISO/TC 138/SC 6 Secretariat: ASI
Voting begins on: Voting terminates on:
2016-01-05 2016-04-05
Plastics piping systems — Glass-reinforced thermosetting
plastics (GRP) pipes and fittings — Methods for regression
analysis and their use
Systèmes de canalisation en matières plastiques — Tubes et raccords plastiques thermodurcissables
renforcés de verre (PRV) — Méthodes pour une analyse de régression et leurs utilisations
ICS: 23.040.45; 23.040.20
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NATIONAL REGULATIONS.
ISO/DIS 10928:2015(E)
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PROVIDE SUPPORTING DOCUMENTATION. ISO 2015

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ISO/DIS 10928:2015(E)

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ISO/DIS 10928
Contents Page
Foreword . v
Introduction . vi
1 Scope . 1
2 Principle . 1
3 Procedures for determining the linear relationships – Methods A and B . 1
3.1 Procedures common to methods A and B . 1
3.2 Method A – Covariance method . 2
3.2.1 General . 2
3.2.2 Suitability of data . 2
3.2.3 Functional relationships . 3
3.2.4 Calculation of variances . 4
3.2.5 Check for the suitability of data for extrapolation . 4
3.2.6 Validation of statistical procedures by an example calculation . 5
3.3 Method B – Regression with time as the independent variable . 8
3.3.1 General . 8
3.3.2 Suitability of data . 9
3.3.3 Functional relationships . 9
3.3.4 Check for the suitability of data for extrapolation . 9
3.3.5 Validation of statistical procedures by an example calculation . 10
4 Application of methods to product design and testing . 11
4.1 General .
...