Displaying 3 results from an estimated 3 matches for "68th".
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2005 Nov 13
4
Robust Non-linear Regression
...tNonlinearRegression_files/frame.htm>
in short: instead of using the premise that the residuals are gaussian they
propose a Lorentzian distribution,
in stead of minimizing the squared residus SUM (Y-Yhat)^2, the objective
function is now
SUM log(1+(Y-Yhat)^2/ RobustSD)
where RobustSD is the 68th percentile of the absolute value of the residues
my question is: is there a smart and elegant way to change to objective
function from squared Distance to log(1+D^2/Rsd^2) ?
or alternatively to write this as a weighted non-linear regression where the
weights are recalculated during the iteratio...
2005 Feb 10
2
rewrite of scatter.smooth to handle NAs
...e x and
y axis look like, for example, 'c(1,2,1.2,5.2, ...)', that is, the
vector of values being plotted.
Why does that happen?
Matt
--
William (Matt) Briggs
Assistant Professor of Biostatistics
Division of General Internal Medicine
Weill Medical College of Cornell University
525 East 68th St., Box #46
New York, NY 10021
Tel: 212-628-0128; Fax: 212-746-8965
http://drclamp.wmbriggs.com
2002 Oct 04
0
New High Performance Rink System Installed In Washington State
...SnoKing Ice Arena closed.
Washington Ice Skating Association, which owns both the former SnoKing
rink and the Olympicview private ice rink in
Mountlake Terrace, is remodeling and reopening the rink as the Lynnwood
Ice Center.
The new ice center will be in the renovated SnoKing building at 19803 68th
Ave. W. After 20-plus years of being open to
the public, the SnoKing Ice Arena closed suddenly at the end of March.
Former SnoKing manager Doug Stewart said they
left because "we leased the land and building, and it wasn't economically
feasible to continue it that way." Stewart said...