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

[BibianRobert]

Spatial interpolation using IDW 

[DanPatterson]

How IDW works—Help | Documentation 

How inverse distance weighted interpolation works—ArcGIS Pro | Documentation 

basically covers the methodology available to you