01617naa a2200265 a 450000100080000000500110000800800410001910000160006024500740007626000090015050000960015952007590025565000220101465300300103665300270106665300250109365300200111865300250113865300280116365300160119165300170120765300190122465300170124377300910126020977072019-09-23       2018    bl uuuu     u00u1 u    #d1 aARNHOLD, E.  aR-environment package for regression analysis.h[electronic resource]  c2018  aScientific Notes. Título em português: Pacote em ambiente R para análises de regressão.  aThe objective of this work was to develop a package in the R environment for automating and facilitating the regression analysis. Named easyreg, the package offers five functions. The er1 function performs analyses in 13 models, including linear, nonlinear, and mixed models. The er2 function considers the lack of fit in the analyses and in the following designs: completely randomized, randomized complete block, Latin squares, and repeated Latin squares. The regplot function generates graphics; the bl function estimates two-segment models; and the regtest function tests the equality of parameters and the identity of the models. These functions allow of a great number of analyses and confer practicality and versatility to the regression analysis.  aAnálise de Dados  aDelineamento experimental  aEquality of parameters  aExperimental designs  aFalta de ajuste  aIdentidade de modelo  aIgualdade de parâmetro  aLack of fit  aMixed models  aModel identity  aModelo misto  tPesquisa Agropecuária Brasileira, Brasília, DFgv. 53, n. 7, p. 870-873, July, 2018.