Comments (3)
Hi @MaxHeuillet!
Ok for the periodogram, could you say a bit more why you think it's unstable and what exactly you would put in the documentation (or please feel free to submit a PR). As for the sampling frequency, why would you put it to 1 Hz? I think it's much better to not use a default value, instead, users should know the sampling frequency of their data.
Thanks,
Raphael
from entropy.
Hello,
In my case, I manipulate many sequential databases and as far as I know, None of them was provided a sampling frequency...
Do you know what is the implication of using the default value = 1 Hz when one doesn't know the sampling frequency?
As for the periodogram method, I just used it and it lead sometimes to Zero Division errors in the np.lg2 implying generation of Nan values, whereas the Welth worked perfectly on all my databases. I read the following:
Welch's method is an improvement on the standard periodogram spectrum estimating method and on Bartlett's method, in that it reduces noise in the estimated power spectra in exchange for reducing the frequency resolution.
I spent time investigating and checking for your function, I felt it would be nice to give a feedback about my experience! :)
Best, -MH
from entropy.
I see! Well, I guess it makes sense to use a default value of 1 then since it is also the default in scipy.signal.periodogram and scipy.signal.welch. But I think an even better solution would be to replace the method=" argument
and replace it by something like estimator=scipy.signal.periodogram
or scipy.signal.welch
together with **kwargs
arguments that can be passed directly to the callable function. What do you think? And maybe we could use Welch as the default instead of the periodogram then?
Thanks for the input, I appreciate it!
Raphael
from entropy.
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