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Tutorial 8-4: Measuring spatial autocorrelation 

GISHelper
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1 окт 2024

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Комментарии : 23   
@NavdeepAgrawal
@NavdeepAgrawal 9 месяцев назад
is there any tool in QGIS to perform spatial auto-correlation analysis especially fro point data?
@GISHelper
@GISHelper 9 месяцев назад
The Spatial Analysis Toolbox plugin for QGIS might have one. I haven't used it myself tho.
@monaallam130
@monaallam130 3 года назад
Thank you for this video, i use fishnet to convert lst to grid , but spatial correlation not working with me , can you send me your email pls to send you the problem.
@chochombr
@chochombr 8 лет назад
Really good quality video. Appreciated your "to the point" explanations.
@shirok2460
@shirok2460 3 года назад
Nice Tutorial. Thank you. Could you provide a source for further reading? Or, who is it who "wants you" to increase the distance band by 100 feet. What does it depend on? The total extend of events? Thank you!
@MiKa-so9ic
@MiKa-so9ic 9 лет назад
As someone new to ArcMap, thanks for helping me understand spatial autocorrelation better! I'm having trouble creating a 1km x 1km grid. Can you help me understand how you created this please?
@hildeandyspeight6603
@hildeandyspeight6603 7 лет назад
Did you get a reply about how to make the grid? I'm also interested in making a grid. I tried using the fishnet funciton but it didn't work.
@T-CubeBySam
@T-CubeBySam 7 лет назад
You can create fishnet in data management tool box to create these boxes
@hildeandyspeight6603
@hildeandyspeight6603 7 лет назад
I did end up trying it, and it worked. Thank you. I appreciate your response :)
@sulwinwai76
@sulwinwai76 8 лет назад
could you explain me how can I make the table for threshold distance and z value?
@devanamusic
@devanamusic 10 лет назад
I found this quite useful! It would be better if the resolution were clearer, but nonetheless it helped me with my analysis. Thank you so much!!
@GISHelper
@GISHelper 10 лет назад
You should be able to increase the resolution with the gear on the youtube video control bar. They seem to reduce the resolution because my videos tend to be on the long side and I think they do low resolution as a default so that it loads faster.
@xh746
@xh746 6 лет назад
its morans i not 1 heh
@ericseguin8941
@ericseguin8941 5 лет назад
Also, you can run it on a point dataset with a specific bandwidth...
@rohanghige
@rohanghige 9 лет назад
Nice Video friend. Can you provide the link to the software that you used for analysis (If it is open source :) Thanx in advance.
@GISHelper
@GISHelper 9 лет назад
All my videos use ArcGIS which is not open source.
@aaronvaughn6776
@aaronvaughn6776 7 лет назад
Try QGIS, you can add tools to do auto-correlation and other spatial prediction methods. Though I haven't used it, I've heard PySAL toolbox is a good resource for this sort of thing, of course if you become oriented in QGIS.
@arifprasetya6358
@arifprasetya6358 8 лет назад
Thanks, nice tutor
@elmoven
@elmoven 7 лет назад
Thanks for the tutorial!
@Sirenita2011Florida
@Sirenita2011Florida 7 лет назад
Could you explain the purpose of changing the distance threshold? Thanks
@GISHelper
@GISHelper 7 лет назад
The purpose of changing the distance threshold is to either increase or reduce the number of neighbors each feature has. In some cases not every feature will have influence on each other, especially if they are far away, so you would use the distance threshold to only include the features within an acceptable distance. If left at zero all features would be included, but if you were doing a study for the east coast of US you wouldn't want records in Maine influencing Florida.
@Sirenita2011Florida
@Sirenita2011Florida 7 лет назад
Thank you. I appreciate your response. It makes it very clear
@fatimaosman8584
@fatimaosman8584 8 лет назад
Great !! thanks
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