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I'm using a random intercept null model for longitudinal data, with level 1 having 3-10 timepoints of measurements in individuals, which are level 2. I'm interested in predicting the 90% confidence intervals of each individual's mean. I'm familiar with using the Residuals and Predictions windows to ...

I am new to MLwiN and would like to use it for longitudinal data, especially for its graphics capabilities. I'm having trouble generating lattice plots without it crashing, though. I have tried it on two datasets, having 21 or 74 level-2 groups (individuals) and about 334 or 493 level-1 datapoints, ...