by Dan Gifford | Jul 26, 2011 | Guides
Why does the fit above look so crappy? Probably because of those pesky outliers! But before you get rid of them, see what David Hogg has to say about alternative methods of fitting models which are not only more robust, but may change your mind about every fit you do from now on.
by Dan Gifford | Jun 28, 2011 | Daily Paper Summaries, Guides
The word “bias” shows up all the time in astronomy. What exactly does it mean? Also, how a recent study tackles the argument that the M-sigma relation may be biased.
by tonypan | Apr 24, 2011 | Guides
The new XENON100 results do not support models of inelastic dark matter used to reconcile the DAMA modulation signal with null detections from other experiments. But what’s DAMA and “inelastic dark matter”?