metan 1.18.0
CRAN release: 2023-03-05
New features
- New functions *_wd_here()to set and get the Working Directory (wd) quicky.- 
get_wd_here()gets the working directory to the path of the current script.
- 
set_wd_here()sets the working directory to the path of the current script.
- 
open_wd_here()open the File Explorer at the directory path of the current script.
- 
open_wd()open the File Explorer at the current working directory.
 
- 
- 
corr_coef()now can compute both linear and partial correlation, controled by the argumenttype.
- New function network_plot()to produce a network plot of a correlation matrix or an object computed withcorr_coef().
- New functions sample_random()andsample_systematic()for random and systematic sampling, respectively.
Minor improvements
- 
plot.waasb()now has new arguments to control whether to show the percentage values within bars and the order of variables on the x-axis.
- 
corr_coef()now handles grouped data passed fromgroup_by()
- New arguments size.varnamesandcol.varnamesadded incorr_plot().
- Fix bug in gmd(mod, "h2"), whenmodis computed withrandom = "env".
- Include the argument repelinplot.gge().
metan 1.17.0
CRAN release: 2022-06-10
New features
- Implement a plotmethod forpath_coeff_*()functions.
- New function path_coeff_seq()to implement a sequential (two chains) path analysis.
- New function prop_na()to measure the proportion ofNAsin each column.
- New functions remove_cols_all_na()andremove_rows_all_na()to remove columns and rows that have all values asNAs.
- New functions ci_mean_z()andci_mean_t()to compute z- and t-confidence intervals, respectively.
- New function set_wd_here()to set the working directory to the path of the current script.
Minor improvements
- Fix bug in rowname_to_column().
- Fix bug in mps()where stab was being rewritten with stab_res.
- Changes the object name in mgidi()example that overwrites the function.
- Fix bug with x.labandy.labfromplot_scores(). Now it accepts an object fromexpression()
- 
plot_waasby()now accepts objects of classwaas_means.
- 
get_model_data()now includes new optionscoefs, andanovafor objects computed withge_reg().
- New argument max_overlapsinplot_scores()to exclude text labels that overlap too many things.
- Improve the control over highlighted individuals in plot_scores()(shape, alpha, color, and size).
metan 1.16.0
CRAN release: 2021-11-10
New features
- Include new AMMI-based stability methods.
- Update ge_stats()to include the new stability methods.
- 
wsmp()now accepts objects computed withmps(),waas(), andwaasb().
Minor improvements
- 
AMMI_indexes()has been deprecated in favour ofammi_indexes().
- Include formulas for the AMMI-indexes in ammi_indexes()
- Correct the number of environments in the documentation of data_ge().
metan 1.15.0
CRAN release: 2021-07-15
- Fix bug when calling gmd(., "data")
- Fix bug with fai_blup()when genotypes has distance as 0.
- Fix bug in inspect()when some trait has character values.
- Fix bug in gmd(model, "blupge")
metan 1.14.0
CRAN release: 2021-06-07
Minor improvements
- Fix bug in get_model_data()calling objects of classmgidiwithwhat = "PCA".
- Fix bug in path_coeff()when generating sequences of direct effects depending on the constant added to the diagonal of correlation matrix.
- Improve output of gmd()forggeobjects.
- New option projectioningmd()forggeobjects to get the projection of each genotype in the AEC coordinates.
- Fix bug when using mtsi()with an object of classwaas.
metan 1.13.0
CRAN release: 2021-03-27
New functions
- 
progress()andrun_progress()for text progress bar in the terminal.
- 
rbind_fill_id()To implement the common pattern ofdo.call(rbind, dfs)with data frame identifier and filling of missing values.
- 
hmgv(),rpgv(),hmrpgv(),blup_indexes()to compute stability indexes based on a mixed-effect model.
- 
mps()andmtmps()for uni- and multivariate-based mean performance and stability in multi-environment trials.
Minor improvements
- 
ge_reg()now returns hypotesis testing for slope and deviations from the regression. Thanks to @LeonardoBehring and @MichelSouza for the suggestion.
- 
Resende_indexes()now removeNAs before computing harmonic and arithmetic means.
- Improved outputs in plot_scoresthat now has ahighlightargument to highlight genotypes or environments by hand. Thanks to Ibrahim Elbasyoni for his suggestions.
- Licecycle badges added to the functions’ documentation.
- Fix bug in clustering()when using withbyargument and defacultnclustargument.
- 
get_model_data()now extract BLUEs from objects computed withgamem()andgamem_met(). Thanks to @MdFarhad for suggesting me this improvement.
- 
g_simula()andge_simula()now have ares_effto control the residual effect.
- 
mgidi()now have an optionalweightsargument to assign different weights for each trait in the selection process. Thanks to @MichelSouza for his suggestion.
metan 1.12.0
CRAN release: 2021-01-27
New functions
- 
get_levels_comb()to get the combination of the levels of a factor.
- 
g_simula()to simulate replicated genotype data.
- 
add_row_id()to add a column as the row id.
- 
remove_rownames(),column_to_rownames()andrownames_to_column()to deal with rownames.
Minor improvements
- New argument sel.var()incorr_ci()to filter correlations with a selected variable
- New arguments fillandposition.fillinplot_ci()to fill correlations by levels of a factor variable.
- Remove deprecated arguments in arrange_ggplot()andgge().
- New argument themein arrange_ggplot()to control the theme of the plot.
- Include byargument ingafem().
- 
mgid()now understands models of classgafem_grouped.
- Fix bug in get_levels()to get the levels even if the variable is not a factor.
metan 1.11.0
CRAN release: 2020-12-12
New functions
- 
set_union(),set_difference()andset_intersect()for set operations with many sets.
- 
venn_plot()to produce Venn diagrams.
Minor improvements
- 
gge()now have abyargument and understand data passed fromgroup_by.
- New arguments col.strokeandsize.strokeinplot.gge()
- 
gtbandgytbnow produces biplots with lines for genotype’s vectors intype = 1.
- 
get_model_data()now understand objects of classfai_blupandsh.
metan 1.10.0
CRAN release: 2020-10-24
New functions
- 
get_dist()to get distance matrices from objects of classclustering.
- 
get_corvars()to get normal, multivariate correlated variables.
- 
get_covmat()to obtain covariance matrix based on variances and correlation values.
- 
as_numeric(),as_integer(),as_logical(),as_character(), andas_factor()to coerce variables to specific formats quickly.
- 
n_valid(),n_missing(), andn_unique()to count valid, missing, and unique values, respectively.
- 
tidy_colnames()to clean up column names. It is a shortcut totidy_strings()applied to the column names of a data frame.
- 
env_stratification()to perform environment stratification using factor analysis.
Minor improvements
- as_*()now handles vectors.
- plot.corr_coef()now shows both stars or p-values for reporting the significance of correlations.
- gamem(),- gamem_met(), and- waasb()now have a- byargument and understand data passed from- group_by.
- mtsi()and- mgidi()now returns the ranks for the contribution of each factor and understand models fitted with- gamem()and- waasb()using the- byargument.
- plot.mtsi()and- plot.mgidi()now returns a radar plot by default when using- type = "contribution".
- get_model_data()now returns the genotypic and phenotypic correlation matrices from objects of class- waasband- gamem.
- replace_string(),- replace_number(),- extract_string(), and- extract_number()now accepts tidy evaluation in the new- ...argument.
metan 1.9.0
CRAN release: 2020-09-18
- New functions add_prefix()andadd_suffix()to add prefixes and suffixes to variable names, respectively.
- New function select_pred()to selects a best subset of predictor variables.
- New function acv()to compute the adjusted coefficient of variation to account for the systematic dependence of σ2 from μ.
- New function ge_acv()to compute yield stability index based on the adjusted coefficient of variation.
- New function ge_polar()to compute yield stability index based on Power Law Residuals (POLAR) statistics.
- New function mantel_test()to performs a Mantel test between two matrices.
- New arguments prefixandsuffixinconcatenate()to add prefixes and suffixes to concatenated values, respectively.
- List packages providing the Rd macros in ‘Imports’ instead of ‘Suggests’ as suggested by the CRAN team.
metan 1.8.0
- New function gytb()to generate the Genotype by yield*trait biplot.
- New functions row_col_mean()androw_col_sum()to add a row with the mean/sum of each variable and a column with the mean/sum for each row of a matrix or data frame.
- New functions has_zero(),remove_cols_zero(),remove_rows_zero(),select_cols_zero(),select_rows_zero(), andreplace_zero()to deal with 0s in a data frame.
- Fix bug of inconsistent color legend when plotting objects of class gge.
- Include class ggeandcan_corringet_model_data().
- New argument positioninplot.gamem()andplot.mtsi()to control the position adjustment of the bar plot.
- New argument col.byincorr_plot()to map the color of the points by a categorical variable.
- New argument use_datain functionsmgidi(),fai_blup(), andSmith_Hazel()to control which data is used (BLUPs or phenotypic means) to compute the index.
- 
inspect()now generate a warning if zero values are observed in data.
metan 1.7.0
CRAN release: 2020-07-18
- New functions clip_read()andclip_write()to read from the clipboard and write to the clipboard, respectively.
- New function sum_by()to compute the sum by levels of factors.
- Update wsmp.R (#7). Thank you @BartoszKozak for your contribution.
- 
mgidi()now allows using a fixed-effect model fitted withgafem()as input data.
- 
round_cols()now can be used to round whole matrices.
metan 1.6.1
CRAN release: 2020-06-07
- 
plot.mgidi()can now plot the contribution for all genotypes.
- 
plot_bars()andplot_factbars()now shows the values withvalues = TRUE
- Update the functions by using the new dplyr::across()
- Update citation field by including number and version of the published paper.
metan 1.6.0
CRAN release: 2020-05-21
New functions
- 
Smith_Hazel()andprint.sh()andplot.sh()for computing the Smith and Hazel selection index.
- 
coincidence_index()for computing the coincidence index.
Minor improvements
- 
get_model_data()now extracts the genotypic and phenotypic variance-covariance matrix from objects of classgamemandwaasb.
- 
fai_blup()now returns the total genetic gain and the list with the ideotypes’ construction.
- 
mgidi()now computes the genetic gain when a mixed-model is used as input data.
- The S3 method plot()for objects of classmgidihas a new argumenttype = "contribution"to plot the contribution of each factor in the MGIDI index.
- 
plot_scores()now can produce a biplot showing other axes besides PC1 and PC2. To change the default IPCA in each axis use the new argumentsfirstandsecond.
metan 1.5.1
CRAN release: 2020-04-25
Minor changes
- 
plot_bars()andplot_factbars()now align vertically the labels to the error bars.
- 
fai_blup()now returns the eigenvalues and explained variance for each axis and variables into columns instead row names.
- Fixes the error with donttest{}examples. Now, the correct data set is used in the example offai_blup()
metan 1.5.0
CRAN release: 2020-04-12
New functions
- 
select_rows_na()andselect_cols_na()to select rows or columns with withNAvalues.
- 
mgidi()to compute the multi-trait genotype-ideotype distance index.
- 
plot_bars()to create bar plots quickly. Thanks to @MariaDiel for her suggestion.
Minor changes
- Deprecated functions hm_mean()andgm_mean()removed in favour ofhmean()andgmean(), respectively.
- Deprecated argument repretired inFox(),ge_effects(),Huehn(),resp_surf(),superiority(), andThennarasu()
- Deprecated argument verboseretired inanova_ind()
- Deprecated argument regionretired inresp_surf()
- Remove dependency on dendextend by using ggplot2-based graphics in plot.wsmp().
- Update package site with pkgdown v1.5.0.
- Update documentation in ge_plot()
- Allow using fai_blup()withgamem()
- Improve checking process with inspect()
- Improve feedback for results, indicating random and fixed effects. Thanks to @NelsonJunior for his suggestion.
- 
plot()call on objects of classgamem,waasbandwaasnow returns the variable names automatically. Thanks to @MdFarhad for suggesting me this change.
- 
plot.gamem()andplot.waasb()have a new argument (type = "vcomp") to produce a plot showing the contribution of the variance components to the phenotypic variance
- 
cv_ammi(),cv_ammif(), andcv_blup()now check for missing values and unbalanced data before computing the cross-validation. (#3)
Bug fixes
- Fix problems from a recent upgrade of package tibbleto version 3.0.0.
- 
get_model_data()now fills rows that don’t matches across columns withNA. Thanks to @MdFarhad for his report.
- 
get_model_data()called now report mean squares, F-calculated and P-values for blocks within replicates inanova_ind().
metan 1.4.0
CRAN release: 2020-03-17
Bug fixes
- Factor columns can now have custom names rather than ENV,GEN, andREPonly (#2).
New functions
- 
gmd()a shortcut toget_model_data()
- 
gtb()to generate a genotype-by-trait biplot.
- 
gamem_met()to analyze genotypes in multi-environment trials using mixed- or random-effect models allowing unbalanced data. Thanks to @EderOliveira for his e-mail.
- 
has_class()to check if a class exists.
- 
impute_missing_val()to impute missing values in a two-way table based on Expectation-Maximization algoritms.
- 
non_collinear_vars()to select a set of predictors with minimal multicollinearity.
- 
replace_na()to replaceNAvalues quicly.
- 
random_na()to generate randomNAvalues based on a desired proportion.
Minor changes
- 
gge(),performs_ammi(),waas(), andwaasb()now handle with unbalanced data by implementing a low-rank matrix approximation using singular value decomposition to impute missing entires. Imputation generates a warning message.
- 
NAvalues are checked and removed with a warning when computing stability indexes. Thanks to @MdFarhad for alerting me.
- New argument plot_resinpath_coeff()to create a residual plot of the multiple regression model.
- Update the citation file to include the published official reference.
- Argument verbosedeprecated in functionsanova_ind()andsplit_factors()
- Argument repdeprecated in functionsFox(),Huehn(),superiority(), andThennarasu().
- Deprecated argument means_byremoved in functionscan_corr()andclustering().
- Deprecated argument verboseremoved in functionscolindiag()andsplit_factors().
- Deprecated argument valuesremoved in functionsdesc_stat()andfind_outliers().
- Deprecated argument varremoved in functiondesc_wider().
- Remove dependency on lattice by using ggplot2 in plot.resp_surf().
- An up-to-date cheat sheet was included.
metan 1.3.0
CRAN release: 2020-02-11
New functions
- 
alpha_color()To get a semi-transparent color
- 
gafem()To analyze genotypes using fixed-effect models.
- 
residual_plots()A helper function to create residuals plots.
- 
stars_pval()To generate significance stars from p-values
- 
doo()An alternative todplyr::dofor doing anything
utils_stats
- 
cv_by()For computing coefficient of variation by levels of a factor.
- 
max_by()For computing maximum values by levels of a factor.
- 
means_by()For computing arithmetic means by levels of a factor.
- 
min_by()For computing minimum values by levels of a factor.
- 
n_by()For getting the length.
- 
sd_by()For computing sample standard deviation.
- 
sem_by()For computing standard error of the mean by levels of a factor.
- 
av_dev()computes the average absolute deviation.
- 
ci_mean()computes the confidence interval for the mean.
- 
cv()computes the coefficient of variation.
- 
hm_mean(),gm_mean()computes the harmonic and geometric means, respectively. The harmonic mean is the reciprocal of the arithmetic mean of the reciprocals. The geometric mean is the nth root of n products.
- 
kurt()computes the kurtosis like used in SAS and SPSS.
- 
range_data()Computes the range of the values.
- 
sd_amo(),sd_pop()Computes sample and populational standard deviation, respectively.
- 
sem()computes the standard error of the mean.
- 
skew()computes the skewness like used in SAS and SPSS.
- 
sum_dev()computes the sum of the absolute deviations.
- 
sum_sq_dev()computes the sum of the squared deviations.
- 
var_amo(),var_pop()computes sample and populational variance.
- 
valid_n()Return the valid (not NA) length of a data.
utils_rows_cols
- 
colnames_to_lower(),colnames_to_upper(), andcolnames_to_title()to translate column names to lower, upper and title cases quickly.
utils_num_str
- 
all_lower_case(),all_upper_case(), andall_title_case()to translate strings vectors or character columns of a data frame to lower, upper and title cases, respectively.
- 
tidy_strings()Tidy up characters strings, non-numeric columns, or any selected columns in a data frame by putting all word in upper case, replacing any space, tabulation, punctuation characters by'_', and putting'_'between lower and upper cases.
- 
find_text_in_num()Find text fragments in columns assumed to be numeric. This is especially useful wheneverything()is used in argumentrespto select the response variables.
New arguments
- 
anova_ind(),anova_joint(),performs_ammi(),waas()andwaasb(), now have the argumentblockto analyze data from trials conducted in an alpha-lattice design. Thanks to @myaseen208 for his suggestion regarding multi-environment trial analysis with alpha-lattice designs.
- argument repelincluded inplot_scores()to control wheater the labels are repelled or not to avoid overlapping.
Deprecated arguments
Argument means_by was deprecated in functions can_corr() and clustering(). Use means_by() to pass data based on means of factor to these functions.
Minor changes
- Change “#000000FF” with “#FFFFFF00” in transparent_color()
- 
desc_stat()now handles grouped data passed fromdplyr::group_by()
- 
plot_scores()now support objects of classwaas_mean.
- Include inst/CITATION to return a reference paper with citation("metan").
- Change ‘PC2’ with ‘PC1’ in y-axis of plot_scores(type = 2)(#1)
- 
get_model_data()now support models of classanova_jointandgafemand extract random effects of models fitted withwaasb()andgamem().
- Update plot.waasb()andplot.gamem()to show distribution of random effects.
- 
inspect(),cv_blup(),cv_ammif(), andcv_ammi()now generate a warning message saying that is not possible to compute cross-validation procedures in experiments with two replicates only. Thanks to @Vlatko for his email.
- 
plot.wsmp()now returns heatmaps created with ggplot2. Thus, we removed dependency ongplots.
- Vignettes updated
metan 1.2.1
CRAN release: 2020-01-14
- References describing the methods implemented in the package were included in description field of DESCRIPTION file as suggested by the CRAN team.
metan 1.2.0
- Minor changes
- 
corr_plot()now don’t write a warning message to the console by default.
- 
select_numeric_cols()now is used as a helper function inmetan.
- 
metannow reexportsmutate()fromdplyrpackage.
- 
get_model_data()now set default values for each class of models.
- Argument bythat calls internallysplit_factors()included to facilitate the application of the functions to each level of one grouping variable.
 
- 
- New functions
- 
add_cols(), andadd_rows()for adding columns and rows, respectively.
- 
remove_cols(), andremove_rows()for removing columns and rows, respectively.
- 
select_cols()andselect_rows()for selecting columns and rows, respectively.
- 
select_numeric_cols(), andselect_non_numeric_cols()for selecting numeric and non-numeric variables quickly.
- 
round_cols()for rounding a whole data frame to significant figures.
- 
all_lower_case(), andall_upper_case()for handling with cases.
- 
extract_number(),extract_string(),remove_strings(),replace_number(), andreplace_string(), for handling with numbers and strings.
- 
get_level_size(), andget_levels()for getting size of levels and levels of a factor.
- 
means_by()for computing means by one or more factors quickly.
- 
ge_means()for computing genotype-environment means
- 
ge_winners()for getting winner genotypes or ranking genotypes within environments.
- 
env_dissimilarity()for computing dissimilarity between test environments.
 
- 
metan 1.1.2
- Reexport select_helpers starts_with(),ends_with(),contains(),contains(),num_range(),one_of(),everything(), andlast_col().
- When possible, argument resp(response variable(s) now support select helpers.
- New helper function sem()for computing standard error of mean.
- New helper functions remove_rows_na()andremove_cols_na()for removing rows or columns withNAvalues quickly.
- New select helpers difference_var(),intersect_var(), andunion_var()for selecting variables that match an expression.
- New function Schmildt()for stability analysis.
- Plot regression slope and mean performance in objects of class ge_reg.
- Update get_model_data()to support objects of classSchmildtandAnnicchiarico.
metan 1.1.0
I’m very pleased to announce the release of metan 1.1.0, This is a minor release with bug fixes and new functions. The most important changes are described below.
- New function corr_stab_ind()for computing Spearman’s rank correlation between stability indexes;
- New function corr_coef()for computing correlation coefficients and p-values;
- New S3 method plot.corr_coef()for creating correlation heat maps;
- New S3 method print.corr_coef()for printing correlation and p-values;
- New helper functions make_lower_tri()andmake_upper_tri()for creating lower and upper triangular matrices, respectively.
- New helper function reorder_cormat()for reordering a correlation matrix according to the correlation coefficients;
- Improve usability of get_model_data()by supporting new classes of models. Now,get_model_data()can be used to get all statistics or ranks computed with the wrapper functionge_stats().
- 
arrange_ggplot()now support objects of classggmatrix.
- Change the default plot theme to theme_metan()
- Update function’s documentation;
- Update vignettes.
metan 1.0.2
- New function arrange_ggplot()for arranging ggplot2 graphics;
- New function ge_effects()for computing genotype-environment effects;
- New function gai()for computing the geometric adaptability index;
- New helper function gm_mean()for computing geometric mean;
- New helper function hm_mean()for computing harmonic mean;
- New helper function Huehn()for computing Huehn’s stability statistic;
- New helper function Thennasaru()for computing Thennasaru’s stability statistic;
- Improve usability of get_model_data()by supporting new classes of models;
- Update function’s documentation;
- Update vignettes;
metan 1.0.1
- New function gamem()for analyzing genotypes in one-way trials using mixed-effect models;
- New function desc_wider()to convert an output of the functiondesc_stat()to a ‘wide’ format;
- New function Fox()for Stability analysis;
- New function Shukla()for stability analysis;
- New function to_factor()to quickly convert variables to factors;
- Improve usability of get_model_data()function;
- Update function’s documentation;
- Update vignettes;
metan 1.0.0
The changes in this version were made based on suggestions received when metan was submitted to CRAN for the first time.
Major changes
The documentation of the following functions was updated by including/updating the \value section of .Rd files.
- AMMI_indexes()
- Annichiarico()
- anova_ind()
- as.lpcor()
- as.split_factors()
- bind_cv()
- can_cor()
- comb_vars()
- corr_ci()
- corr_plot()
- covcor_design()
- cv_ammi()
- cv_ammif()
- cv_blup()
- desc_stat()
- ecovalence()
- fai_blup()
- ge_factanal()
- ge_plot()
- ge_reg()
- ge_stats()
- get_model_data()
- is.lpcorr()
- is.split_factors()
- mahala()
- mahala_design()
- make_mat()
- make_sym()
- mtsi()
- pairs_mantel()
- 
plot.*()andplot_*()functions
- rbind_fill()
- resca()
- resp_surf()
- waas()
- wsmp()
- waasb()
Minor changes
To allow automatic testing, the examples of the following functions were unwrapped by deleting \dontrun{}.
- bind_cv()
- clustering()
- comb_vars()
- corr_ci()
- corr_plot()
- covcor_design()
- desc_stat()
- ecovalence()
- path_coefff()
- plot.fai_blup()
- plot.mtsi()
- plot.wsmp()
- plot_ci()
- wsmp()
In the examples of the functions for cross-validation \dontrun{} was changed with \donttest{} * cv_ammi() * cv_ammif() * cv_blup() * plot.cv_ammif()
metan 0.2.0
This is the first version that will be submitted to CRAN. In this version, deprecated functions in the last versions were defunct. Some new features were implemented.
- New functions
- 
fai_blup()computes the FAI-BLUP index (https://onlinelibrary.wiley.com/doi/full/10.1111/gcbb.12443)
- 
gge()computes the genotype plus genotype-vs-environment model.
- 
plot_factbars()andplot_factlines()are used to create bar and line plots, respectively, considering an one- or two-way experimental design.
- 
desc_stat()computes several descriptive statistics.
- 
can_corr()computes canonical correlation coefficients.
- 
resp_surf()computes response surface model using two quantitative factors.
- 
make_mat()is used to create a two-way table using two columns (factors) and one response variable.
- 
make_sym()is used to create a symmetric matrix using a upper- or lower-diagonal matrix.
 
- 
- Minor improvements
- New evaluation for text vectors are now used in the functions AMMI_indexes()andfai_blup()anddesc_stat(). For example, to indicate the statistics to be computed indesc_stat()you must use nowstats = c("mean, SE.mean, CV, max, min"))insteadstats = c("mean", "SE.mean", "CV", "max", "min"))
 
- New evaluation for text vectors are now used in the functions 
metan 0.1.5
In the latest development version, the package METAAB was renamed to metan (multi-environment trials analysis). Aiming at a cleaner coding, in this version, some functions were deprecated and will be defunct in the near future. Alternative functions were implemented.
- For WAAS.AMMI(), usewaas().
- For WAASBYratio(), usewsmp().
- For WAASratio.AMMI(), usewsmp().
- For autoplot.WAAS.AMMI(), useautoplot.waas().
- For plot.WAASBYratio(), useplot.wsmp().
- For plot.WAASratio.AMMI(), useplot.wsmp().
- For predict.WAAS.AMMI(), usepredict.waas().
- For summary.WAAS.AMMI(), usesummary.waas()
Widely-known parametric and nonparametric methods were implemented, using the following functions.
- 
Annicchiarico()to compute the genotypic confidence index.
- 
ecovalence()to compute the Wricke’s ecovalence.
- 
ge_factanal()to compute to compute the stability and environmental.
- 
ge_reg()to compute the joint-regression analysis. stratification using factor analysis.
- 
superiority()to compute the nonparametric superiority index.
