• Calculating the centroid of each polygoin, but weighted by points from another layer

    Hi All, I'm trying to get the centroid of each polygon in the attached image, but I want the centroid calculation to be based on the clusters of green dots in each polygon. The purple polygons are from one layer and ...
    last modified by palermopenano
  • Why do we get different COtypes or outliers on repeating the "Optimized Outlier analysis" and "Cluster and Outlier analysis"

    Hi all, I am new to ArcGIS and am looking to find outliers (high and low) in my data. The variable I am using is a disease severity variable ranging from 0 to 60 (i.e. my analysis field). I am trying to...
    last modified by poojansh_UNC
  • Count of majority value for each cell?

    I ran 10 classifications (Random Trees) in ArcMap. Each time the output will be somewhat different.   I have made a final map based on the majority value of each pixel using cell statistics (majority). ...
    last modified by emilierietz
  • Are you more likely to use ArcGIS Pro or ArcMap for your day-to-day work?

    I've been working with various clients to migrate from Map to Pro, and am trying to get an idea of the consensus in the GIS community regarding which one is used more often. arcpro arcgispro arcgis arcmap arcmap 
  • Error 000539 when filling NoData values using Raster Calculator FocalStatistics

    I have a global ocean pH raster map.The raster has large NoData areas: all land areas and many coastlines have NoData. The land areas should remain as NoData, but the ocean areas (blue) should be filled with pH values...
    last modified by michel.andreas.kroeze
  • Are there any alternatives to GWR for small datasets ?

    Hi, I'm working with a dataset including 29 territories. I have run GWR and prediction models in the past and would like to evetually run something similar here but knowing that GWR is not appropriate for small datas...
  • I am trying to calculate a Hot Spot Analysis on a 8 mb point cloud in arcgis pro 2.4.2 on a normal computer, but the processing is taking ages and is still on level 0..

    Any tip?   Frank
    last modified by frank.hanssen@nina.no
  • Guidance on Optimized Hotspot Analysis

    I am using the Optimized Hotspot Analysis tool in ArcGIS Pro to identify clustering of high and low values in my incident point data. After running the tool iteratively for multiple input point datasets, I have notice...
    created by Dan_Patterson

    Hi. I have over 10 000 polylines spread over 430 polygons. I would like to sum the length of all polylines within each polygon. Do anyone know how I can do this in ArcGIS 10? I tried Hawth's Analysis Tools for ArcGI...
    last modified by parmer
  • Forest-based Classification and Regression stuck at 0%

    Hello, I'm trying to run Forest CART in ArcPro 2.4, with about 8 explanatory variables trying to predict the 9th variable. The setting up of the tool runs with only warnings, then proceeds to Create Trees. However, C...
    created by Vadrosaul
  • Run a GWR with a 1-5 ranking Dependent Variable, variation error

    I am running a GWR with a dependent variable that ranks from 1-5. I receive error: 110242: There is not enough variation in the dependent variable for at least one logical neighborhood. I have 5 explanatory variables ...
    created by Mallain5
  • Arcpy rejecting outputs of recursive math expressions/python methods

    9/10 spatial analysis I do involve mathematical expressions. Users want me to execute recursive math functions,to aid spatial analysis and clustering. I have challenges passing such expressions into arcpy.da and Code ...
    last modified by william.kalande@gmail.com
  • Spatial Analyst? Query? Help!

    A co-worker of mine is asking me to do something for him that he claims a GIS person at his old company was able to do. I, however, from his description can't for the life of me figure out what he's wanting. We have...
    last modified by shaelyni
  • Arc GIS 10.1 Set Unique identifier field

    Hello, I wanted to perform a Grouping Analysis in ArcGIS 10.1. When opening the analysis tool and trying to select a unique ID field the entries where all blanck. I therefore thought, that mayber the unique identifie...
    last modified by johanness
  • How the GWR count their Weight?

    Hello!  My study is about evaluating the correlation between flower production and weather parameters. My data are taken from 2015 - 2018 in form of point data. The point data is the greenhouse location, which o...
    last modified by p66077084
  • Kriging vs Spline with Barriers

    Hi, I'm Jeniffer Soto from the Biogeochemistry group at USGS. We want to create a prediction surface for different water quality parameters along the Sacramento-San Joaquin Delta. Predictions are currently being compl...
  • Regression/OLS for point data?

    I have been looking around online and whenever I see reference to OLS or GWR, few to no one using point (x,y) data in their tutorials. Why is this and is there a way to do a "what is the relationship between these var...
    last modified by deleted-user-QSeUFv9HNbK9
  • Using the Forest based classification and regression tool, will there always be created a new trained model with every prediction or is the first one automaticily used?

    When creating a prediction, i wonder where to use the output with the trained test data to generate a predicton of the actual data. So, will there be always created a new model and used on the actual data or is it sto...
    last modified by JasminY_Pfeffer
  • Optimized Hotspot Analysis tool failing when Cell Size is set

    I just updated to ArcGIS Pro 2.3.2.  The Optimized Hotspot Analysis tool is giving me the following error.  I've been running the same parameters for a few months now and this is the first time I've had...
    last modified by binghamd512_detroitmi
  • Choosing conceptualization of spatial relationships - hot spot analysis

    Hello, I am new to this forum so apologies if this topic has been raised already. I couldn't find any previous post which actually fully helped with my case. I have circa 270 polygons of different size and shapes for ...
    last modified by geok_2018