calculating impedance from amplitude and frequency data

I have amplitude and frequency data from nyquist plot. I want to plot impedance graph from this data for EIS. How can I calculating impedance?

[Mathieu NOE]

hello

so you have frequency, real and imag of your impedance

you can easily then plot magnitude / phase or identify a model from there (frequency domain identification)

[Mathieu NOE]

hello

problem solved ?