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Autoregressive model vs autocorrelate...
Growth Modeling of Longitudinal Data
posted on Tuesday, January 30, 2007 - 11:41 am
Hello Dr. Muthen,
Say we had y1-y4:
Autoregressive models would regress y2 on y1, y3 on y2, and y4 on y3.
Autocorrelated disturbances would have the residual variances of y1-y4 be related to each other (given a latent growth model framework, where an intercept and slope is estimated from y1-y4 scores).
Substantively, how are they different?
Bengt O. Muthen
posted on Tuesday, January 30, 2007 - 12:01 pm
The former model regresses all of y on earlier y's, the latter model regresses only the residual part of y on earlier residual parts.
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