Possible to create random slope model with fixed intercept in SPSS? -


i'm aware it's pretty unusual assume random slopes fixed intercepts, , not ideal me using spss task. however, i'm doing analysis in teaching context in have no other choice.

i attempted make happen leaving include intercept unchecked didn't work - ended model intercepts different , slopes zero.

enter image description here

in response jeremy's comment took @ syntax.

mixed jobsat physen
/criteria=cin(95) mxiter(100) mxstep(10) scoring(1) singular(0.000000000001) hconverge(0, absolute) lconverge(0, absolute) pconverge(0.000001, absolute)
/fixed=physen | sstype(3)
/method=reml
/print=covb solution testcov
/random=physen | subject(grpid) covtype(vc)
/save=pred.

there doesn't seem reference here intercept being fixed. amended fourth line of syntax read

/fixed=intercept physen | sstype(3)

but still produced model intercept not fixed.


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