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help for ^rmanova^
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syntax ^rmanova^ y_var subject_var within_var [between_var1 between_var2 between_var3]
computes within and between sum of squares, with error for each as interaction
example:
^rmanova bp patnum time drug^
will compute the ANOVA table for:
effect of independent factor(s) drug1 drug2 drug 3 (between effects) on dependent var bp,
measured on subjects patnum, adjusted for repeated measures over time (within effect).
Data should be in LONG format:
observation patnum time bp drug
- ----------- ------ ---- -- ----
1 1 1 100 0
2 1 2 110 0
3 1 3 105 0
4 1 4 110 0
5 2 1 80 1
6 2 2 90 1
7 2 3 95 1
8 2 3 90 1
.
.
.
output follows:
ANOVA for var bp by subject patnum
n=624 df=12 R2=.54381231
between effect: drug
Source | Partial SS df MS F Prob > F
-----------+----------------------------------------------------
drug | 2900.08269 1 2900.08269 0.85 0.3768
patnum*drug | 37608.5167 11 3418.95606
within effect: time
Source | Partial SS df MS F Prob > F
-----------+----------------------------------------------------
time | 5.4239e-24 47 1.1540e-25 0.00 1.0000
Residual | 13440.00 672 20.00
(thanks to Paul Seed on statalist)
george m hoffman md
october 1997