search for: taba

Displaying 2 results from an estimated 2 matches for "taba".

Did you mean: tab
2010 Aug 18
3
How to read ANOVA output
Hi folks, Where can I find document re "how to read anova output"? Google found many of them. But seemingly non of them can explain to me following output:- > tabA = c(5.67, 5.67, 5.55, 5.57) > tabB = c(5.75, 5.47, 5.43, 5.45) > tabC = c(4.74, 4.45, 4.65, 4.94) > tabs = data.frame(tabA, tabB, tabC) > tablets = stack(tabs) > anova(lm(values ~ ind, data = tablets)) Analysis of Variance Table Response: values Df Sum Sq Mean Sq F value...
2006 Mar 23
8
ActiveRecord & Prepared Statement
I searched the archives and found a thread about it, but I didn''t understand: are prepared statement used by ActiveRecord on those databases that could handle them (Postgresql, Mysql, Oracle etc)? In case they are not used, are they planned? Is there a roadmap about Rails I can find somewhere?