Ghysels, Eric, Virmantas Kvedaras, and Vaidotas Zemlys. “Mixed Frequency Data Sampling Regression Models: The R Package Midasr”. Journal of Statistical Software 72, no. 4 (August 16, 2016): 1–35. Accessed April 26, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v072i04.