1. 2010-11-29 [5] [R-sig-teaching] Installing R into my computer r-sig-tea Gavin Simpson 2. 2010-11-09 [5] [R-sig-teaching] t.test from summary of data r-sig-tea Greg Snow 3. 2010-11-09 [1] [R-sig-teaching] t.test from summary of data r-sig-tea Robert W. Hay 4. 2010-11-02 [10] [R-sig-teaching] workspace management r-sig-tea Hadley Wickha