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geok_2018 in Spatial Statistics2 days ago (Show more Show less)

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 some countries in Asia. A few polygons are dispersed in space, but still have neighbours. My aim is to run Hot spot analysis… (Show more Show less)

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william.d.meyer_ERDCCERL (to geok_2018) 2 days ago (Show more Show less)

CLASSIFICATION: UNCLASSIFIED Carla, Hot Spot analysis is approximate, especially Hot Spot analysis using polygons. That said the fellow that wrote the book on how to use hot spot analysis for polygons in my opinion was Luc Anselin using his GeoDa analysis engine. I would refer you to Luc's work to gain better insights into your…

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stephanieduce86 in Spatial Statistics4 days ago (Show more Show less)

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 matter what input layer I select (projected/unprojected/shapefile/feature class etc.) the error does not go away. It doesn't provide… (Show more Show less)

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Dan_Patterson

(to stephanieduce86) 4 days ago (Show more Show less)

If it has worked in the past with the same or similar data, perhaps something has gone bad with your install. From Windows Install/Remove programs, try a 'Repair' of the installation to see if that fixes it. If not, you may need to 'reset your application profile' last step would be an upgrade

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unlv_hsang in Spatial Statistics2 weeks ago (Show more Show less)

Average Nearest Neighbor

I have a question regarding the Average Nearest Neighbor analysis. Is there a scale that describes the levels of the Nearest Neighbor ratio? Are there benchmarks in the literature associated with various Average Nearest Neighbor ratio/scores? For example, can a certain ratio be described as "tightly clustered" versus a different level ratio… (Show more Show less)

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cy.zhu in Spatial Statistics3 weeks ago (Show more Show less)

Weighted Least Square when calculating errors of GWR

Hello, Does anyone have a clue of how to set the global weight for each feature when calculating the total errors of GWR using the Arc GWR tool? Thanks, Chongyang

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cy.zhu (to cy.zhu) 3 weeks ago (Show more Show less)

Oh I know where to set the weight for each feature. It's right on that GWR tool! I thought that's a spatial weight matrix as in the OLS tool earlier.

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TabithaKay in Spatial Statistics1 year ago (Show more Show less)

How do I map the electricity demand for a country in ArcGIS?

I am learning ArcGIS and would like to know the step by step process on how to map electricity demand of a country. I would also like to know what datasets are needed to complete this task. How do I map the electricity demand for a country in ArcGIS? gis maps electricity demand

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xander_bakker (to TabithaKay) 3 weeks ago (Show more Show less)

You are welcome. In case you have any question the community is there to help.

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cy.zhu in Spatial Statistics3 weeks ago (Show more Show less)

Control GWR coefficients

Hi All, I'm doing a GWR model but getting a little bit concerned about the overfitting problem. There's a small portion of the coefficients are negative which does not make sense to me. I'm wondering if Arc has a parameter setting to limit the coefficients to be positive and calculate the best model under that circumstances. If anyone has any… (Show more Show less)

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bit.gis2 in Spatial Statistics3 weeks ago (Show more Show less)

Image Resampling and Edge Effects

Hello, I want to resample an image, using something like neighborhood statistics, but I know this will lead to edge effects. Is there a tool in ArcMap or Pro that will resample an image while adjusting for edge effects? Thanks.

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bit.gis2 (to Dan_Patterson) 3 weeks ago (Show more Show less)

Thanks!

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parmer in Spatial Statistics7 years ago (Show more Show less)

SUM LENGTH OF LINES IN POLYGONS

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 ArcGIS, but it does not work with ArcGIS 10. Any help would be great Thanks.

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Dan_Patterson

(to Justina14) 2 months ago (Show more Show less)

Summarize Within—Help | ArcGIS Desktop might be in arcmap, but it is in pro for sure

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ndilekli in Spatial Statistics2 months ago (Show more Show less)

GWR Error 040038 with single independent variable

I am trying to run GWR using a single independent/explanatory variable (atmospheric PM10) to model the relationship with a dependent variable, and it gives me the 040038 error. According to ArcMap help this means: "040038 : Results cannot be computed because of severe model design problems. Results cannot be computed when there is either severe… (Show more Show less)

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Dan_Patterson

(to ndilekli) 2 months ago (Show more Show less)

glad it is working out Naci

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yang.xu1_NU in Spatial Statistics2 months ago (Show more Show less)

raster to polygon, still looks like raster

I have a DEM file, I generated slope/aspect(raster format) using the Surface tool, then I used Conversion tool convert them into polygons(simplified polygons checked). What I wanted are TIN(triangular shaped polygons) looked polygons, but what I got are lots of adjacent square polygons, as below. I tried to use the Eliminate tool to merge some… (Show more Show less)

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yang.xu1_NU (to MervynLotter) 2 months ago (Show more Show less)

Hi Mervyn, Thanks! I will try what you said. But I found a way to do this is generate TIN from the original DEM, then use 3D Analysis/Conversion/ TIN Triangle tool to generate slope/aspect as a vector file. That will give me the triangular look polygons. But am still finding a way to decrease the number of polygons, thinking of the Elimination…

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