Does the central value influence on the result of the constrained parameter on CosmoMC?

Use of Cobaya. camb, CLASS, cosmomc, compilers, etc.
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Simony S. da Costa
Posts: 6
Joined: December 20 2022
Affiliation: INFN - Sezione di Pisa

Does the central value influence on the result of the constrained parameter on CosmoMC?

Post by Simony S. da Costa » May 05 2023

Dear all,

I am running CosmoMC for a given model incresing Neff.
Considering that I have 3 new parameters changing Neff, my prior ranges (for the new parameters) will change accordingly.
The point is that the central value I am using seems to be exactly the mean value of the posterior, no matter how I change the ranges.
Do you think this could be related with a small step?

Thank you for your help,
Simony

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