TY  - JOUR 
T1  - On the performance of three indices of agreement: an easy-to-use r-code for calculating the Willmott indices
JO  - Bragantia
A1  - Pereira, Heloisa Ramos
A1  - Meschiatti, Monica Cristina
A1  - Pires, Regina Célia de Matos
A1  - Blain, Gabriel Constantino
SN  - 0006-8705
UL  - 10.1590/1678-4499.2017054
VL  - 77 
Y1  - 2018
PB  - Brazil 
ER  -