1. 2019-11-26 [10] [R-SIG-Mac] Error message reading files in R Commande r-sig-mac Jose G Conde 2. 2019-11-10 [1] [R-SIG-Mac] macOS Catalina problems due to C++ ABI ch r-sig-mac Sebastian Web 3. 2019-11-02 [3] [R-SIG-Mac] Installing the "jpeg" package? r-sig-mac Spencer Grave