[SciPy-Dev] Add detrend=None for scipy.signal.welch et al.

[Ralf Gommers]

On Fri, Jan 31, 2014 at 10:40 PM, Maximilian Singh <mws at lionex.de> wrote:

> Hey all,
>
> I suggest to add the possibility to turn off the 'detrend' functionality
> in scipy.signal.welch and scipy.signal.periodogram, e.g. by giving
> 'detrend=None' as parameter.  Although detrending is an useful option,
> there are also use cases where DC should not be suppressed.
>
> Do you agree that this is common enough to be added?
>

Hard to judge how common it is, but if you have a use case then I don't see
any problem in adding it. PR welcome.

Ralf
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