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ANOVA for unbalanced data: an overview

Publication ,  Journal Article
Shaw, RG; Mitchell-Olds, T
Published in: Ecology
January 1, 1993

When the response variables have continuous distributions and the conditions are discrete, whether inherently or by design, then it is appropriate to analyze the data using analysis of variance (ANOVA). When data conform to a complete, balanced design (equal numbers of observations in each experimental treatment), it is straightforward to conduct an ANOVA. This paper provides an overview of the consequences of lack of balance and gives some guidelines to analyzing unbalanced data for models involving fixed effects. -from Authors

Duke Scholars

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Published In

Ecology

DOI

ISSN

0012-9658

Publication Date

January 1, 1993

Volume

74

Issue

6

Start / End Page

1638 / 1645

Related Subject Headings

  • Ecology
  • 4102 Ecological applications
  • 3109 Zoology
  • 3103 Ecology
  • 0603 Evolutionary Biology
  • 0602 Ecology
  • 0501 Ecological Applications
 

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Shaw, R. G., & Mitchell-Olds, T. (1993). ANOVA for unbalanced data: an overview. Ecology, 74(6), 1638–1645. https://doi.org/10.2307/1939922
Shaw, R. G., and T. Mitchell-Olds. “ANOVA for unbalanced data: an overview.” Ecology 74, no. 6 (January 1, 1993): 1638–45. https://doi.org/10.2307/1939922.
Shaw RG, Mitchell-Olds T. ANOVA for unbalanced data: an overview. Ecology. 1993 Jan 1;74(6):1638–45.
Shaw, R. G., and T. Mitchell-Olds. “ANOVA for unbalanced data: an overview.” Ecology, vol. 74, no. 6, Jan. 1993, pp. 1638–45. Scopus, doi:10.2307/1939922.
Shaw RG, Mitchell-Olds T. ANOVA for unbalanced data: an overview. Ecology. 1993 Jan 1;74(6):1638–1645.
Journal cover image

Published In

Ecology

DOI

ISSN

0012-9658

Publication Date

January 1, 1993

Volume

74

Issue

6

Start / End Page

1638 / 1645

Related Subject Headings

  • Ecology
  • 4102 Ecological applications
  • 3109 Zoology
  • 3103 Ecology
  • 0603 Evolutionary Biology
  • 0602 Ecology
  • 0501 Ecological Applications