Description Usage Arguments Value Author(s) References Examples
Performs a stability analysis based on Nassar and H<c3><bc>hn (1987) and, H<c3><bc>hn (1979) statistics. the four nonparametric measures of phenotypic stability are: S1 (mean of the absolute rank differences of a genotype over the n environments), S2 (variance among the ranks over the k environments), S3 (sum of the absolute deviations), and S6 (relative sum of squares of rank for each genotype).
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nahu |
nahu function |
data |
A numeric data.frame with fenotypic means values of MET, and genotypes and environments by rows and columns, respectively. |
interaction |
do a interaction plot or not (FALSE = no interaction plot output, TRUE = draws a interaction plot between genotypes and environments). |
Is returned a list with four numerical statistics values (S1, S2, S3, and S6) by genotype, the ranking for the response variable in each environment, and the Spearman correlation matrix between environments.
Leonardo Castelo Branco
Nassar, R., and M. H<c3><bc>hn. 1987. Studies on estimation of phenotypic
stability: Tests of significance for nonparametric measures of
phenotypic stability. Biometrics 43:45-53.
H<c3><bc>hn, V.M. 1979. Beitrage zur erfassung der phanotypischen stabilitat. EDV Med. Biol. 10:112-117.
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