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
  • 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
  • Calculate the mean of multiple rasters and save the result into a new raster.

    Hi, I have a set to 502 rasters (time series) of MO11A2 products (MODIS LST 8-day product), MOD11A2.A2008001.tif, MOD11A2.A2008009.tif etc. They have the same extent and CRS. I want these 8-day products to be av...
    last modified by nikos.tz
  • Collecting Moran's I output values

    I am running an iterator in model builder that ultimately takes the output from each iteration (a point feature class) and runs the spatial auto-correlation tool (global Moran's I).  I have about 450 output featu...
    last modified by jpfleming
  • how to change the distance of the semivariogram on the geostatistical wizard

    hello hi, i am new , a student in learning arcgis , but i have been trying to do some interpolation using the Geo statistical wizard (kriging), but on the semi variogram graph, the distance is showing in distance not ...
    last modified by musumuvhi96@gmail.com
  • Unnamed error with Optimized Hot Spot Analysis, v 10.5.1

    Hi, I am trying to run an Optimized Hot Spot Analysis in ArcMap version 10.5.1. This tool worked for me a couple of weeks ago but now there is an error icon next to the Input Features (screen shot attached) and no ma...
    last modified by stephanieduce86
  • How to normalize feature data between 0-1 in ArcGIS Pro?

    Hi, I have a feature table, and want to normalize the data in a field between 0-1, and I know the normalization method should be "(x-min(x))/(max(x)-min(x) ". I have tried "add field---field calculator", but I h...
    last modified by phl1210
  • Math and Stats with NumPy...  Normalize data

    Short one   Came up in a question.  I sadly suggested a spreadsheet.  To correct this, here is the numpy solution. Normalizing data... Here is the input and output tables names = ['a', 'b', 'c', 'd...
    created by Dan_Patterson
  • Generate Spatial Weights Matrix error in ArcGIS 10.3

    When I was trying to generate spatial weights matrix, once I opened this tool, there was an error like this: ERROR  updateParameters Syntax Error: Runtime error Traceback (most recent call last): File "c:\progra...
    last modified by Gezijiang123
  • Which type of log transformation is most appropriate?

    Hello Esri community,   I am a doctoral study at DU and I am working on a research project that includes data of Colorado's 178 school districts. Guided by theory, I have compiled a list of variables to run OLS ...
  • Applying 3D-bars symbology to statistic map

    I am looking for the way of using 3D-bars for showing statistic map in ArcGIS Pro. I would be grateful if you advise me the steps or any tutorial for this purpose. I attach a picture as an example of what I am roughly...
    last modified by ruslan_guliyev