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bgbottles
2009 Sep 09
1
Stats help with calculating between and within subject variance and confidence intervals
...2 values, and the
confidence intervals are for 1-2a = 95%. I have got the same results
as the book but using slightly different fomulae (see variables for H1,
G1 and H12 and G12).
I'd appreciate any help, and any comments on whether their is a better
way to do this.
Thanks
Paul.
> BGBottles
Machine weight
1 1 14.23
2 1 14.96
3 1 14.85
4 2 16.46
5 2 16.74
6 2 15.94
7 3 14.98
8 3 14.88
9 3 14.87
10 4 15.94
11 4 16.07
12 4 14.91
> BGaov<-aov(weight~Machine,data=BGBottles)
> summ...
2009 Sep 14
1
Best way to extract values from an aov object ?
.... ..$ Df : num 8
.. ..$ Sum Sq : num 36.4
.. ..$ Mean Sq: num 4.55
.. ..$ F value: num NA
.. ..$ Pr(>F) : num NA
..- attr(*, "class")= chr [1:2] "summary.aov" "listof"
- attr(*, "class")= chr "summary.aovlist"
But for this dummy data
> dput(BGBottles,"")
structure(list(Machine = structure(c(1L, 1L, 1L, 2L, 2L, 2L,
3L, 3L, 3L, 4L, 4L, 4L), .rk.invalid.fields = structure(list(), .Names =
character(0)), .Label = c("1",
"2", "3", "4"), class = "factor"), Weight = c(14.23, 14.96, 14.85,...