topic Re: Hi all,I am using IDW to interpolate my data points in ArcGIS ,the default number of points in the search radius is 12.Is there a way to determine the number of points to use based on the available sample points?Assumming I have 50 sample points.Thank in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/hi-all-i-am-using-idw-to-interpolate-my-data/m-p/129011#M1825 <HTML><HEAD></HEAD><BODY><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/tool-reference/3d-analyst/how-idw-works.htm" title="https://pro.arcgis.com/en/pro-app/tool-reference/3d-analyst/how-idw-works.htm">How IDW works—Help | Documentation</A>&nbsp;</P><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/help/analysis/geostatistical-analyst/how-inverse-distance-weighted-interpolation-works.htm" title="https://pro.arcgis.com/en/pro-app/help/analysis/geostatistical-analyst/how-inverse-distance-weighted-interpolation-works.htm">How inverse distance weighted interpolation works—ArcGIS Pro | Documentation</A>&nbsp;</P><P>basically covers the methodology available to you</P></BODY></HTML> Wed, 10 Jun 2020 14:43:16 GMT DanPatterson 2020-06-10T14:43:16Z Hi all,I am using IDW to interpolate my data points in ArcGIS ,the default number of points in the search radius is 12.Is there a way to determine the number of points to use based on the available sample points?Assumming I have 50 sample points.Thanks https://community.esri.com/t5/arcgis-spatial-analyst-questions/hi-all-i-am-using-idw-to-interpolate-my-data/m-p/129010#M1824 <HTML><HEAD></HEAD><BODY><P>Spatial interpolation using&nbsp;IDW&nbsp;</P></BODY></HTML> Wed, 10 Jun 2020 10:54:04 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/hi-all-i-am-using-idw-to-interpolate-my-data/m-p/129010#M1824 BibianRobert 2020-06-10T10:54:04Z Re: Hi all,I am using IDW to interpolate my data points in ArcGIS ,the default number of points in the search radius is 12.Is there a way to determine the number of points to use based on the available sample points?Assumming I have 50 sample points.Thank https://community.esri.com/t5/arcgis-spatial-analyst-questions/hi-all-i-am-using-idw-to-interpolate-my-data/m-p/129011#M1825 <HTML><HEAD></HEAD><BODY><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/tool-reference/3d-analyst/how-idw-works.htm" title="https://pro.arcgis.com/en/pro-app/tool-reference/3d-analyst/how-idw-works.htm">How IDW works—Help | Documentation</A>&nbsp;</P><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/help/analysis/geostatistical-analyst/how-inverse-distance-weighted-interpolation-works.htm" title="https://pro.arcgis.com/en/pro-app/help/analysis/geostatistical-analyst/how-inverse-distance-weighted-interpolation-works.htm">How inverse distance weighted interpolation works—ArcGIS Pro | Documentation</A>&nbsp;</P><P>basically covers the methodology available to you</P></BODY></HTML> Wed, 10 Jun 2020 14:43:16 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/hi-all-i-am-using-idw-to-interpolate-my-data/m-p/129011#M1825 DanPatterson 2020-06-10T14:43:16Z