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ASTM E1325-16

Historical Revision

Standard Terminology Relating to Design of Experiments

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1.1 This standard includes those statistical items related to the area of design of experiments for which standard definitions appear desirable.


This standard includes those statistical items related to the area of design of experiments for which standard definitions appear desirable. It provides definitions, descriptions, discussion, and comparison of terms.

This standard also provides the table of contrast coefficient and table of contrast analysis. The table of contrast coefficient implies that once the contrast coefficients of the main effects (X1, X2, X3 and X4) are filled in, the coefficients for all interaction and other second or higher order effects can be derived as products (Xij = Xi Xi) of the appropriate terms. The table on contrast analysis indicates the measure of experimental error, s, that can be obtained in various ways. If the experiment is replicated, s is the square root of the pooled variances of the pairs for each treatment combination. If some effects were felt to be pseudo-replicates, multiplying the contrast by the regression coefficient of these terms forms a sum of squares (as in analysis of variance) and these would be summed and divided by the number of terms involved to give .


3.1 This standard is a subsidiary to Terminology E456.

3.2 It provides definitions, descriptions, discussion, and comparison of terms.

SDO ASTM: ASTM International
Document Number E1325
Publication Date April 1, 2016
Language en - English
Page Count 7
Revision Level 16
Supercedes
Committee E11.10
Publish Date Document Id Type View
June 1, 2021 E1325-21 Revision
April 1, 2016 E1325-16 Revision
Oct. 1, 2015 E1325-15 Revision
Oct. 10, 2002 E1325-02 Revision
April 1, 2008 E1325-02R08 Reaffirmation
Oct. 10, 1997 E1325-91R97 Reaffirmation