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Minimum time points needed for LCGA |
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Hello, I have read from various sources that a minimum of 4 time points is recommended for GMM, but have not found a consistent answer with regards to LCGA - if the model is identified with 3 time points, is there still a reason for having a minimum of 4 time points? Thank you! |
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With LCGA, there are fewer model parameters so you could use fewer time points as far as model identification goes. However, with less than four, I would think it might be hard to see much of a trend. |
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