topic explanation condition number GWR in master thesis ? in Spatial Statistics Questions https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383929#M1264 <HTML><HEAD></HEAD><BODY><SPAN>Hallo</SPAN><BR /><BR /><SPAN>I´m new in statistics an I write my master thesis for the university, there I use GWR and in the GWR there is a condition number which check local collinearity. These number schould be &lt; 30 ok!</SPAN><BR /><A href="http://resources.arcgis.com/en/help/...00000031000000">http://resources.arcgis.com/en/help/...00000031000000</A><BR /><BR /><SPAN>The GWR works and because of the high bandwidth the condition number is ok.</SPAN><BR /><BR /><BR /><STRONG>- How is the condition number computed in theory in arcgis?<BR /><BR />- Is it common or should it be explain it in the case of GWR in the master thesis what do you mean?<BR /></STRONG><BR /><BR /><SPAN>I´m an austrian guy so unfortunatley the englisch word condition number says nothing to me.</SPAN><BR /><BR /><BR /><BR /><SPAN>Thanks!</SPAN><BR /><SPAN>Peter</SPAN></BODY></HTML> Thu, 14 Feb 2013 20:36:09 GMT PeterMarkus1 2013-02-14T20:36:09Z explanation condition number in GWR https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383928#M1263 <HTML><HEAD></HEAD><BODY><SPAN>Hallo</SPAN><BR /><BR /><SPAN>I´m new in statistics an I write my master thesis for the university, there I use GWR and in the GWR there is a condition number which check local collinearity. These number schould be &lt; 30 ok!</SPAN><BR /><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//005p00000031000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//005p00000031000000</A><BR /><BR /><SPAN>The GWR works - because of the high bandwidth the condition number is ok.</SPAN><BR /><BR /><STRONG>- But how dose the condition number in arcgis works?<BR />- How is the condition number computed?<BR /></STRONG><BR /><SPAN>I need an explanation for my master thesis, I´m an autrian guy so unfortunatley the englisch word condition number says nothing to me.</SPAN><BR /><BR /><STRONG>Is it common or should it be explain it in the case of GWR?</STRONG><BR /><BR /><SPAN>Please give me links or explanations!</SPAN><BR /><BR /><BR /><SPAN>Thanks!</SPAN><BR /><SPAN>Peter</SPAN></BODY></HTML> Mon, 11 Feb 2013 20:11:44 GMT https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383928#M1263 PeterMarkus1 2013-02-11T20:11:44Z explanation condition number GWR in master thesis ? https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383929#M1264 <HTML><HEAD></HEAD><BODY><SPAN>Hallo</SPAN><BR /><BR /><SPAN>I´m new in statistics an I write my master thesis for the university, there I use GWR and in the GWR there is a condition number which check local collinearity. These number schould be &lt; 30 ok!</SPAN><BR /><A href="http://resources.arcgis.com/en/help/...00000031000000">http://resources.arcgis.com/en/help/...00000031000000</A><BR /><BR /><SPAN>The GWR works and because of the high bandwidth the condition number is ok.</SPAN><BR /><BR /><BR /><STRONG>- How is the condition number computed in theory in arcgis?<BR /><BR />- Is it common or should it be explain it in the case of GWR in the master thesis what do you mean?<BR /></STRONG><BR /><BR /><SPAN>I´m an austrian guy so unfortunatley the englisch word condition number says nothing to me.</SPAN><BR /><BR /><BR /><BR /><SPAN>Thanks!</SPAN><BR /><SPAN>Peter</SPAN></BODY></HTML> Thu, 14 Feb 2013 20:36:09 GMT https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383929#M1264 PeterMarkus1 2013-02-14T20:36:09Z Re: explanation condition number GWR in master thesis ? https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383930#M1265 <HTML><HEAD></HEAD><BODY><SPAN>Is it local or global?</SPAN></BODY></HTML> Fri, 15 Feb 2013 08:17:54 GMT https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383930#M1265 PeterMarkus1 2013-02-15T08:17:54Z Re: explanation condition number GWR in master thesis ? https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383931#M1266 <HTML><HEAD></HEAD><BODY><SPAN>I have found out that the ArcGIS GWR tool provides the condition number for the local X'WX matrices.</SPAN><BR /><BR /><SPAN>But only these two short words! </SPAN><BR /><BR /><STRONG>- Can anyone here specify the local X'WX matrices in more detail?<BR />- Or give me some search intentions to find an short right explanation of the condition number with the local X'WX matrices?</STRONG><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Fri, 15 Feb 2013 13:42:13 GMT https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383931#M1266 PeterMarkus1 2013-02-15T13:42:13Z Re: explanation condition number in GWR https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383932#M1267 <HTML><HEAD></HEAD><BODY><SPAN>I have found out that there are future readings of these topic in </SPAN><STRONG>Belsley DA, Kuh E and Welsch RE (1980, 2004) Regression Diagnostics: identifying influential data and sources of collinearity, Wiley</STRONG></BODY></HTML> Wed, 20 Feb 2013 11:15:22 GMT https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383932#M1267 PeterMarkus1 2013-02-20T11:15:22Z Re: explanation condition number GWR in master thesis ? https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383933#M1268 <HTML><HEAD></HEAD><BODY><SPAN>I have found out that there are future readings of these topic in </SPAN><STRONG>Belsley DA, Kuh E and Welsch RE (1980, 2004) Regression Diagnostics: identifying influential data and sources of collinearity, Wiley</STRONG></BODY></HTML> Wed, 20 Feb 2013 11:19:18 GMT https://community.esri.com/t5/spatial-statistics-questions/explanation-condition-number-in-gwr/m-p/383933#M1268 PeterMarkus1 2013-02-20T11:19:18Z