[lsst-dm-stack-users] How to calculate RMS, sigma-clipped RMS on DM Winter2013 Stripe82 forced photometry

Simon Krughoff simon.krughoff at gmail.com
Wed Jan 9 20:19:17 PST 2013


Sounds good.  I'm at SLAC already, so just track me down when you want to
chat.

Simon

P.S. Of course, you are right that we calculated the median not the mean.
Sorry for the mistype.

On Wed, Jan 9, 2013 at 2:00 PM, Michael Wood-Vasey <wmwv at pitt.edu> wrote:

> On Jan 9, 2013, at 09:22 , Simon Krughoff <simon.krughoff at gmail.com>
> wrote:
> > To follow up with this, as you know we have already calculated the mean
> and inner quartile range for all the lightcurves in the database.
>
> Yes (although it's actually the median not the mean).
>
> >  We are planning on adding a clipped mean and standard deviation within
> the next week or so.  It's possible that all you'll have to do is wait.  If
> there are other quantities you'd like materialized, we can potentially add
> those as well.
>
> That would be perfect.  Let me try to come up with what this list should
> be by later this week and we can talk at the DESC meeting.
>
>  - Michael
>
>


-- 
K. Simon Krughoff
University of Washington
Department of Astronomy

Physics-Astronomy Bldg.
3910 15th Ave NE
Room C319
Seattle WA 98195-0002
USA

(206)543-9487
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