| 释义 |
ANOVA, n. Statistics.
Brit. |ˈanəvɑː|, |əˈnəʊvə|, U.S. |ˈænəˌvɑ|, |əˈnoʊvə|
Forms: 19– ANOVA, 19– anova
[Acronym ‹ the initial letters of analysis of variance.]
A procedure for analysing the statistical significance of differences between the mean scores of two or more groups on one or more independent variables, involving resolution of the total variance of the set of observations into components associated with different sources of variation. Also: an instance of this; any of several techniques for carrying out such an analysis.
1949Jrnl. Amer. Statist. Assoc. 44 194 Analysis of variance design... Operating characteristic of model II—anova. 1966Biometrics 22 948 (title) Expectations, variances and covariances of anova mean squares by ‘synthesis’. 1985Amer. Speech 60 331 The degree of variance attributable to speaker variables and to sex of respondent..was determined by means of a two-way ANOVA. 2001Ann. Bot. 88 1073/1 A three-factorial ANOVA was used with species, nutrient treatment and light treatment as factors. |