Here is code to generate tucker growth curves including a random intercept component.
tuckerexample.xlsx shows you the three curves which were considered. This also contains sheets which correspond to the tucker analyses in this directory.
First, gentucker3 generates & tucker3 analyzes a three curve tucker model as outlined in the Grimm et al. paper. gentucker3 produces the data file tucker3c.dat which is read by tucker3.inp
Next, the question of a random intercept is considered, and this is generated by gentucker.inp. The resulting data set is called tuckerrand.dat and is analyzed by tuckerrand.inp.