Changes in version 0.2.4 (2022-09-13) Minor improvements - Some Bugs were corrected Changes in version 0.2.3 (2022-05-10) Minor improvements - Email address was changed in dataset description Changes in version 0.2.2 (2021-11-19) Minor improvements - The function ComparacaoMedias() was improvement Changes in version 0.2.1 (2021-09-26) Minor improvements - Tests for normality and homogeneity of variances in the dic.ad(), dbc.ad(), dql.ad(), fatorial2.dic.ad() and fatorial2.dbc.ad() functions were added Changes in version 0.2.0 (2021-07-01) New functions - dql.ad() to analyze Latin square design. Changes in version 0.1.0 (2021-06-16) - The first version of Tratamentos.ad package submitted to CRAN.