Profile likelihood given the MLE parameter set, the cost function and forward simulation data?

As the title says-- what would you recommend I use?

I have seen sbioparameterci but it requires the 'fitResults' parameters to have been estimater from sbiofit, and I already have a vector of the MLE parameter set.

I have also seen the PESTO (parameter estimation toolbox) but it requires having ran multistart, which I have not, do have gotten the parameter set.

Thank you very much in advance.

[Torsten]

I wonder what you have to fit if you already have the MLE parameters.

Maybe you could explain your problem in more detail.

[Marina-Effrosyni Panteli]

Hi, thanks for the reply. I want the PL so that I can then see the confidence intervals and thus characterise parameters' identifiability. Am I saying something wrong?

[Torsten]

Am I saying something wrong?

Maybe not, but it's so shortly paraphrased that you are talking in riddles for me.