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nnawrin29 in Spatial Statistics5 months ago (Show more Show less)

Categorical variables while using Geographically Weighted Regression (GWR)

Hello! I have a question regarding Geographically Weighted Regression (GWR) in ArcGIS. So, I am using ArcMap 10.2 version. I have a large dataset of different parameters of groundwater geochemical constituents and physiography. In GWR model, my dependent variable is chemical concentration (continuous variable) and one of my explanatory variables… (Show more Show less)

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nnawrin (to EKrause-esristaff) 4 days ago (Show more Show less)

Hi Eric,Thank you so much for your reply. I really appreciate how clearly you explained. I will surely get in touch with you if I have any questions further. Have a great day!Thanks Nazia

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0118782_LearnArcGIS in Spatial Statistics1 week ago (Show more Show less)

Emerging hot spot analysis and non-continuous time steps

I have 10+ years worth of data that I would like to run an emerging hotspot analysis on. My time steps are not continuous (e.g. covers all years from 1998 to 2010 except for 2006). I know I can physically run the analysis, but I was wondering if there were any assumptions that I would be breaking that means I really shouldn't run the analysis… (Show more Show less)

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0118782_LearnArcGIS (to lbuie-esristaff) 7 days ago (Show more Show less)

Thank you for this - it is very helpful. I feel much more confident in selecting the best option.

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0085036_LearnArcGIS in Spatial Statistics1 month ago (Show more Show less)

Hello, I am going to perform Spatial Analysis with GWR. Regarding with data, I cannot use Binary Variables (0,1) in GWR. For this case, how can I use categorical variables such as (CBD,Suburb, Metropolitan) to be usable in GWR? Although my friend say "use

spatial anaysis gwr

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lbuie-esristaff

(to 0085036_LearnArcGIS) 1 week ago (Show more Show less)

Hi Ei Pyone, If you are using ArcGIS Pro 2.3 or later, you can use the Logistic model to run GWR with the binary variable as the dependent variable. The tool supports continuous, binary and count models. This documentation goes into more details about each of the models. You can use categorical variables as the explanatory variables, as long as…

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dcbarros in Spatial Statistics3 months ago (Show more Show less)

Tool has failed to open: stats.ClustersOutliers

I keep getting this message: Tool has failed to open: stats."name of the tool " on every tool of the Spatial Statistics toolbox. I updated Arcgis Pro to version 2.5 advanced license. Does someone know how to solve this issue?

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lbuie-esristaff

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

Hi Diana Barros, Were you able to open the Spatial Statistics tools? None of the tools require an advanced license. Lynne

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

Can I use no-normal distributed data with spatial statistics tools?

Hello, I have gathered from Tripadvisor the reviews number/hotel, for all the hotels of my region (population and not sample). The distribution of that review's number is not normal Can I directly apply spatial statistics through Arcgis like spatial auto-correlation (Moran's I), Hot-spot Analysis, etc or should I first transform the data so it is… (Show more Show less)

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thaspiggos (to danretired) 2 months ago (Show more Show less)

Dear Mr PattersonIs this the answer to my problem with the use of no-normal distr. data?"Especially if the values for the Input Field are skewed, you want features to have about eight neighbors each" (https://desktop.arcgis.com/en/arcmap/10.3/tools/spatial-statistics-toolbox/h-how-spatial-autocorrelation-moran-s-i-spatial-st.htm)Or something…

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TomErik in Spatial Statistics3 months ago (Show more Show less)

Statistics and travel time

Hello, Does anyone know a good way to express the difference in travel time from the same demand to a set of facilities? Let's say you use OD cost matrix to find the closest distance to two seperate facilities. Also, is it useful to regress variables to travel time, and how could this be done?

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Davepike101@hotmail.com (to TomErik) 3 months ago (Show more Show less)

My excel graph skills are non existent. maybe something like the below fake histogram (I hate excel) where you could then maybe create a probability density for travel differences, statistically break it into SDs and quartiles etc?

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JB1234510 in Spatial Statistics3 months ago (Show more Show less)

How to calculate landscape metric "shape index" in the field calculator?

I'm searching for a possibility to calculate landscape metric "shape index" in the field calculator? Shape index = 1 when the patch is circular and increases without limit as the patch becomes more irregular.

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JB1234510 (to Dan_Patterson) 3 months ago (Show more Show less)

Yes like a perimeter/area ratio. I would like to differentiate between compact features I want to preserve and slivers I want to delete after the use of a geoprocessing tool?

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

Spatial Join Slow

Hi, I'm using arcmap 10.0 SP5 to do a spatial join with a file that has about 61,000 observations, many of which are null, but it is taking an extremely long time (around 1 day). I thought that it would take a shorter period because I've done spatial joins with bigger files that took a shorter amount of time. Is it typical for it to be taking so… (Show more Show less)

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curtvprice

(to AlesVanek) 3 months ago (Show more Show less)

Just some thoughts I'd try it in Pro, they have been doing a lot of tiling work to support multiprocessing (and distributed ! processing) and this has made large overlays much more robust and scalable. That and Pro does it all in 64 bit which solves a lot of memory management issues. If your workflow is tied to ArcMap, and you haven't…

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stephan.kaegi_UNIBERN in Spatial Statistics3 months ago (Show more Show less)

diversity index

Dear all I would like to use the shanon diversity index to calculate the diversity (number of years) of cleared areas as an indicator for shifting cultivation. I'm working with ArcGIS Pro. I've downloaded this Diversity Tool and tried to run it. Unfortunately, it didn't work. Can someone explain to me why it failed to work? Would there be other… (Show more Show less)

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Dan_Patterson

(to stephan.kaegi_UNIBERN) 3 months ago (Show more Show less)

maybe he isn't checking his mail during these times. The message you left is routed to their email

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guerri_mstr20 in Spatial Statistics4 months ago (Show more Show less)

Hot spot analysis - how to set distance band if no peak distance is found

I have a question about Hot Spot Analysis (Getis-Ord Gi*). I use points data of land surface temperature (that has been retrieved from Landsat images) with a minimum one neighbor distance of 30m. I have to choose the distance band or threshold distance to apply to Hot Spot Analysis. With Incremental Spatial Autocorrelation tool no peak distance… (Show more Show less)

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Dan_Patterson

(to guerri_mstr20) 4 months ago (Show more Show less)

Modeling spatial relationships—ArcGIS Pro | Documentation in this section Distance band or threshold distance and from here How Incremental Spatial Autocorrelation works—ArcGIS Pro | Documentation there is the What if the graph never peaks? section. which has a recommendation

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