Araújo Júnior, C.A. et al. 2019. Artificial neural networks, quantile regression, and linear regression for site index prediction in the presence of outliers. Pesquisa Agropecuaria Brasileira. 54, X (May 2019), e00078. DOI:https://doi.org/10.1590/S1678-3921.pab2019.v54.26491.