1. 2009-05-22 [2] [R-sig-teaching] regarding PCA r-sig-tea Ista Zahn 2. 2009-05-17 [1] [R-sig-teaching] discrepancies between R and stata r-sig-tea mboutsen 3. 2009-05-11 [1] [R-sig-teaching] Comparing points on the same regress r-sig-tea AbouEl-Makari 4. 2009-05-08 [2] [R-sig-teaching] R in physics r-sig-tea Liviu Androni 5. 2009-05-08 [3] [R-sig-teaching] Simple practice problems for R tutor r-sig-tea hadley wickha 6. 2009-05-07 [2] [R-sig-teaching] Help wanted with R r-sig-tea jim holtman