> 1deval -a AvsBcoding.1D -b NeuronCondAndCondB -expr 'a*b' > NR_AvsB.1D
>
> I'm not sure where the Neuron.1D file came from. Is it supposed to be the
> output from 3dTfitter? Additionally, in the 1deval line, does the
> NeuronCondAndCondB refer to the output from 3dTfitter?
I believe step 4 on the website does clearly state how you can create file AvsBcoding.1D. The command to generate the interaction is (instead of the one you mentioned)
1deval -a Seed_Neur.1D -b AvsBcoding.1D -expr 'a*b' > Inter_neu.1D
Gang