Description Usage Arguments Value Author(s) References Examples

Performs a stability analysis according to Thennarasu (1995) methodology. Therefore the statistics NP1, NP2, NP3, NP4 are presented in output.

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`thsu` |
thsu 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 (NP1, NP2, NP3, and NP4) by genotype, the ranking for the response variable in each environment, and the Spearman correlation matrix between environments.

Leonardo Castelo Branco

Thennarasu, K. 1995. On certain nonparametric procedures for studying genotype x environment interactions and yield stability. Ph.D. thesis. P.J. School, IARI, New Delhi, India.

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