Displaying 2 results from an estimated 2 matches for "nachw".
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nach
2006 Jan 09
2
decide between polynomial vs ordered factor model (lme)
Dear alltogether,
two lme's, the data are available at:
http://www.anicca-vijja.de/lg/hlm3_nachw.Rdata
explanations of the data:
nachw = post hox knowledge tests over 6 measure time points (= equally
spaced)
zeitn = time points (n = 6)
subgr = small learning groups (n = 28)
gru = 4 different groups = treatment factor
levels: time (=zeitn) (n=6) within subject (n=4) within smallgroups
(=gr...
2005 Nov 03
0
problems with pan(): Indizierung ausserhalb der Grenzen = subscript out of bounds
...script as this may be too huge.
y = 15 responses
pred = at first just intercept was tried (later on covariates should follow)
subj = 168 different subjects with 4 to 6 observations for each subject
at time points t1, t2, ..., t6
# extract of y
> y[1:4,]
anpr impr kepr lernpr lstofpr nachwela nachfak nachw
sbpr widapr zdompr zerfpr zgleipr zstimpr zugrupr
2 3.50 2.75 3.4 2.222222 2.666667 3.333333 15.000000 5.909091
2.333333 2 1.5 3.666667 4 3.000000 3.555556
202 2.25 2.50 3.6 2.222222 3.666667 12.000000 13.750000 7.777778
1.666667 2 2.0 3.3...