Is your feature request related to a problem? Please describe.
No problem - I just wasn't sure how else to contact. Firstly, this is an amazing tool - thank you so much for this!

Describe the solution you'd like
I have used your scripts to put together a script which reads a bunch of .csv files, applies a equivalent circuit model to them all, and then plots. I would like to extract the parameters from the fitting of each .csv file, so I can plot how these parameters vary over the course of the experiment. I might just be being stupid but I can't see how to do this from the supplied documentation. The main stumbling block I can't work out is how to extract the parameters from a fit - if I run print(fit) I get the usual description with the ECM description, fit = TRUE, initial, etc

Describe alternatives you've considered

Additional context
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