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log_data
2009 Jul 15
0
strategy to iterate over repeated measures/longitudinal data
...e=TRUE),
measurement1=rnorm(10),
measurement2=rnorm(10))
#vector of names to iterate over
predictor_names <- colnames(wide_data)[2:4]
#vector to store coefficients
mycoefs <- rep(-1,length(predictor_names))
names(mycoefs) <- predictor_names
for (predictor in predictor_names)
{
long_data <- make.univ( data.frame(wide_data$id,wide_data[,predictor]),
data.frame(
wide_data$measurement1,
wide_data$measurement2
)
)
names(long_data) <- c('id', 'predictor', 'time','measurement')
myfit <- lmer(measurement ~ predict...