Sentence examples for be fixed to zero from inspiring English sources
First, all intercepts (alpha_{ig}) have to be fixed to zero, as there are no intercept parameters in case of categorical observed variables.
The fact that it is insignificant means that it is not significantly different from zero (and thus could be any value around zero), and therefore should be fixed to zero.
Fortunately, many (48) of the parameters could be fixed to zero because they described impossible transitions (fish do not shrink in length, see unlisted Ψk≠kij in Figure 6 and shaded entries in Table 1).
Thus, it might be fixed to zero to achieve identifiability with no loss of information.
As stated earlier, the variance of the Quadratic slope could be fixed to zero.
Similarly, if we are fairly sure that a given metabolite does not participate in a reaction, its kinetic-order should be fixed to zero.
Displacements on the lateral and bottom boundaries of the model domain are fixed to zero.
The nodal flow variables are fixed to zero for inner nodes.
The mean of the subjects trait was fixed to zero in the comparison of difficulty values between the original and reduced versions.
Because factor models with categorical observed variables are based on conditional probabilities, intercept parameters are fixed to zero and residual variances are fixed to 1 using a factor analytical approach (Millsap and Yun-Tein 2004).
