Hi, I often get a following error with R *** caught segfault *** address 0x78807e00, cause 'memory not mapped' Possible actions: 1: abort (with core dump) 2: normal R exit 3: exit R without saving workspace 4: exit R saving workspace > Selection: The system is OSX 4.9 and R-version 2.4.1. Is there something to d0? Atte Tenkanen