search for: bloodpress

Displaying 1 result from an estimated 1 matches for "bloodpress".

2007 Apr 09
1
Repeated Measures design using lme
.... I'm fairly sure this is a random variable -- their order or identify (R1 in pre-treatment week has no relation to R1 in the post-treatment week, etc). By placing Read as a random variable, am I covering myself there? If I execute: > summary(lme(BP ~ Group, random = ~ 1 | Patient, data = bloodpress, na.action=na.omit)) I get a result, but I'm not sure it's correct -- do I need to tell the model about the Read factor (R1-R6 in pre/post weeks)? I'm really trying to set the right form of the lme() function call to decide 1) if there is a statistical difference between the Treat/...