rainable parameters in total, device=cpu).
  )
)
Conditional logistic discrete choice model, expects input features:

X[itemsession_cost] with 1 parameters, with constant level variation.
X[itemsession_freq] with 1 parameters, with constant level variation.
X[itemsession_ovt] with 1 parameters, with constant level variation.
X[session_income] with 1 parameters, with item level variation.
X[itemsession_ivt] with 1 parameters, with item-full level variation.
X[intercept] with 1 parameters, with item level var