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mli.erin1919 in Spatial Statistics1 week ago (Show more Show less)

How can I interpret the results of Hot Spot Analysis (Getis-Ord Gi*) ?

Hi all, I'm confused when interpreting the results of hot spot analysis generated with ArcGIS 10.4. The data I'm working with are 70 tree plots, each plot has around 100 trees. These trees have an attribute, let's call it as A, measured repeatedly from 2014 to 2016. What I'm trying to do is to find out the hot spots as well as the cold spots… (Show more Show less)

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15124193 in Spatial Statistics10 months ago (Show more Show less)

Optimized hotspot analysis (ArcGIS Desktop 10.5.1) tool failing to excecutet gives me the following

Hi Guys, I have 399 incidence points on which I would like to run Optimised Hotspot Analysis with the aggregate into fishnet option selected. The goal is to determine the polygon size (fishnet block size). When running the tool in ArcGIS 10.5.1 it gives me the following output: Executing: OptimizedHotSpotAnalysis TRAP_LOCATIONS_EGVV_UTM_WG_84… (Show more Show less)

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JDAcosta-esristaff

(to jimmyholm) 1 week ago (Show more Show less)

Hello Jimmy, I had the programmer take a look at this issue and it seems that the issue lies in the xyDomain variable ... there seems to be a Unicode character inside it. This variable needs to be able to be transformed from a string to a float. You could try to change only the bolded line below in the code for the tool and see if that fixes…

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Stevenson_S15_uu_scobe in Spatial Statistics1 month ago (Show more Show less)

Model builder - avg. nearest neighbour report output location.

Hi all, in model builder I'm running the avg. nearest neighbour tool on a .shp file. Everything is working but is it possible to set the location that the html report saves to? Thanks.

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Dan_Patterson

(to Stevenson_S15_uu_scobe) 4 weeks ago (Show more Show less)

Shane... the html report is supposed to be the parameter (ie a P ) The help topic provides the requirements for the report to appear in the Results and whether it will be listed in Catalog. If you look at the script example, it requires a path for the report, once you have set it as a parameter. They don't cover modelbuilder explicitly, but…

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nikos.tz in Spatial Statistics1 month ago (Show more Show less)

Problem importing VIIRS images into ArcMap Desktop.

I have 1 VIIRS satellite image and 1 DMSP/OLS image. The VIIRS is a 32bit img while the OLS is a 8bit img. When I try to import the VIIRSs img into ArcMap Desktop (v. 10.5) I cannot see the img. I have checked the histogram of the img and is missing. I do not have that problem with OLSs img. Maybe the problem is with the bit-depth of the VIIRS?

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Dan_Patterson

(to nikos.tz) 4 weeks ago (Show more Show less)

Gamma stretch... doesn't talk about the 'right way' it just describes what it does and which renders it applies to

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jcbrewster in Spatial Statistics1 month ago (Show more Show less)

Issues with a ratio as dependent variable?

Hi All, As many of these questions start, I am new to spatial statistics.... I feel like I know just enough to be dangerous, and can't tell if what I want to input into the various Esri tools is legit (OLS, GWR, Moran's I, etc). I have survey data regarding deformities found in fish in a small alpine watershed. There are a number of variables… (Show more Show less)

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Dan_Patterson

(to jcbrewster) 1 month ago (Show more Show less)

Since it is Friday Assume a river has 2 fish, and only two fish.. one is deformed ... that is it (river 1). Compare that to a river and you have absolutely no idea how many fish are init, but you sampled 1000 and found that 500 were deformed ... (river 2) would you decide that more field work needed to be done for river 1 or river 2.…

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BrittanyBankovich in Spatial Statistics1 month ago (Show more Show less)

Extract point values in adjacent raster cells?

Here's a fun little challenge. I have point locations of snakes, and I need to extract the habitats associated with each point from a land cover raster. Problematically, the points were taken along roads, not within the actual habitats in which the snakes were spotted. I would like to extract the values of the raster cells nearest the "Road" cells… (Show more Show less)

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Dan_Patterson

(to BrittanyBankovich) 1 month ago (Show more Show less)

if you find any snags, a screen grab might help provide a less shifty solution

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DanielMSchwartz in Spatial Statistics1 month ago (Show more Show less)

Trouble with cold spots in Optimized Hot Spot Analysis

Hello everyone. I am running optimized hotspot analysis for point crime data. The hot spots identified in the analysis make sense to me but the cold spots do not align with a visual inspection of the data. My understanding is that cold spots represent low cell values (i.e., low crime counts as aggregated into cells using a fishnet cell overlay)… (Show more Show less)

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DanielMSchwartz (to RRuthart-esristaff) 1 month ago (Show more Show less)

Hi Ryan, Yes, you are 100% right. I actually was playing around with it this afternoon and saw that if I leave the Field blank, the analysis works. But thanks so much for confirming!

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KKramer-esristaff mentioned Spatial Statistics 1 month ago Show mention context Hide mention context

Re: How to use inherent network of ArcGIS Pro (http://www.arcgis.com) for the “input network” in “Generate Network Spatial Weights” tool.

KKramer-esristaff mentioned Spatial Statistics 1 month ago

From the tool's help Generate Network Spatial Weights—ArcGIS Pro | ArcGIS Desktop it doesn't explicitly state that the ArcGIS Online network can be or can't be used. It appears though that you would need your own network dataset on disc to feed into that parameter. Perhaps somebody from the Spatial Statistics group can confirm that for us?Preview Hide preview

nikos.tz in Spatial Statistics2 months ago (Show more Show less)

Cluster and Outlier Analysis (Anselin Local Moran's I)

Hello everyone, I am currently working on a project which I must calculate Anselin Local Moran's I. I am using polygon features and ArcMap 10.4.1. Here is my problem: when I am trying to run the command ArcMap shows no problem running the command but the output feature is never created. I have double checked the Path of the output feature! … (Show more Show less)

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nikos.tz (to Dan_Patterson) 2 months ago (Show more Show less)

Thank you for your answer. I am running the tool within ArcMap. I fixed it! I just re-opened the program and re-run the tool. The output feature was created after that.

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ricadieg in Spatial Statistics6 months ago (Show more Show less)

Import Error: DLL load failed: %1 is not a valid Win32 application

Hello, I am trying to run a spatial statistic tool in ArcGIS 10.5. When I run the standard distance script I get an error. Because it is too much to type I am attaching a screenshot of the error. Can anyone tell me what exactly is going on and possibly a fix for it? Thank you,

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JohnWallX (to ricadieg) 2 months ago (Show more Show less)

Did you ever find a solution to this?

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