Initial value of the log posterior (or likelihood)

Greetings to all researchers and professors
Initial value of the log posterior (or likelihood): -192299404.6211
Is it possible to explain this value, is it useful to be large or small, and what is its meaning?
Please kindly advise

No, values that large typically indicate a problem like a wrong observation equation.

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hi dear professor,
i have the same issue my codes calculate all the graph but at the end i have this :Initial value of the log posterior (or likelihood): -Inf
Total computing time : 0h00m13s
Note: warning(s) encountered in MATLAB/Octave code

data.mat (2.2 KB)
Newcodes.mod (10.1 KB)
can you please help ?

  1. Your model features stochastic singularity as you are observing all components of the Taylor rule.
  2. Your data is still trending. You need to properly define an observation equation and handle the trend.

can you explain a little bit more, please?

  1. See e.g.

2. See e.g.