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Main Menu 4-WAY DATA

GGEbiplot provided options to dissect a year-location-genotype-trait 4-way table or a environment-by-genotype-by-trait 3-way data into the following two-way tables and corresponding biplots:

Genotype-by-environment biplots

• Genotype-by-year biplot for any trait
• Genotype-by-location biplot for any trait
• genotype-by-environment (year-location) biplot for any trait

Genotype-by-trait biplots

• Genotype-by-trait biplot in any environment (year-location)
• genotype-by-trait biplot across selected environments
• genotype-by-trait biplot across all environments

Trait Association By Environment (TABE) biplots

• Associations among selected traits
• Associations with a trait

VBV biplots

• Covariate-effect biplot based on genotypic values

Environment-by-trait biplots

• Year-by-trait biplot
• Location-by-trait-biplot
• Environment-by-trait biplot

Compound two-way biplots

• Genotype*environment-by-trait biplot
• Genotype-by-environment*trait biplot

Other biplots

Year-by-location biplot for any trait

For 3-way and 4-way data with traits in parallel columns, these biplots and ANOVA options are also available.

Note: For 3-way datasets or 4-way datasets with fewer than 2 years, the year-related two-way biplot options will not be available because a biplot with the year as one way requires at least 3 years.