Accurate Estimation of Influenza Epidemics using Google Search Data R package argo version 3.0.3 CRAN Task View: Epidemiology (https://CRAN.R-project.org/view=Epidemiology) Augmented Regression with General Online data (ARGO) for accurate estimation of influenza epidemics in United States on national level, regional level and state level. It replicates the method introduced in paper Yang, S., Santillana, M. and Kou, S.C. (2015) <doi:10.1073/pnas.1515373112>; Ning, S., Yang, S. and Kou, S.C. (2019) <doi:10.1038/s41598-019-41559-6>; Yang, S., Ning, S. and Kou, S.C. (2021) <doi:10.1038/s41598-021-83084-5>. Software Imports: xts, glmnet, zoo, XML, xtable, Matrix, boot Suggests: testthat Shihao Yang <shihao.yang@isye.gatech.edu> Comprehensive R Archive Network (CRAN) Shaoyang Ning [aut], Shihao Yang [aut, cre], S. C. Kou [aut] GPL-2 2025-11-23 application/tgz https://CRAN.R-project.org/package=argo doi:10.32614/CRAN.package.argo