search

gouchangjiang / opengeoda

Automatically exported from code.google.com/p/opengeoda
GNU General Public License v3.0
0 stars 0 forks source link

Last digit difference in spatial lag model btw Legacy and OG #163

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
Data: Baltimore
Win ..15.7

Last digit differs in spatial lag model (they match in spatial error model) - 
not sure we care but wanted to log it in case we do:

Regression.OLS = Legacy
baltRegression.txt = OG ..15.7

OG - Spatial Lag
CONSTANT      5.950557       4.830249       1.231936    0.2179732
       LOTSZ    0.09989266     0.01685041       5.928204    0.0000000

Legacy
    CONSTANT      5.950559       4.830249       1.231936    0.2179730
       LOTSZ    0.09989267     0.01685041       5.928204    0.0000000

Another note: In OG the Regression Report viewer stops displaying text after a 
while, so if output is long it won't display the whole thing (but all output is 
saved if people want to view it outside).

Original issue reported on code.google.com by ju...@geodapress.com on 15 Sep 2011 at 4:49

Attachments:

GoogleCodeExporter commented 9 years ago

Original comment by mmcc...@gmail.com on 15 Sep 2011 at 6:21

GoogleCodeExporter commented 9 years ago 
These differences are only in the 7th decimal place, and even then, the 
difference is at most by two thenths in that place.  Some of the math libraries 
in OpenGeoDa are different than those used in Legacy, so I think that 
differences of this magnitude should be expected.  I'm moving this to a 1.01 
issue for now (unless somebody thinks this should be investigated further), and 
perhaps suggest that we close this.

Original comment by mmcc...@gmail.com on 15 Sep 2011 at 6:40

GoogleCodeExporter commented 9 years ago

Original comment by jkoschin...@gmail.com on 18 Oct 2011 at 3:00

GoogleCodeExporter commented 9 years ago 
All issues have been moved to http://code.google.com/p/geoda/issues/list

Original comment by mmcc...@gmail.com on 5 Mar 2013 at 6:31

GoogleCodeExporter commented 9 years ago

Original comment by mmcc...@gmail.com on 5 Mar 2013 at 6:32