The field of study concerning statistical methods that use space and spatial relationships (such as distance, area, volume, length, height, orientation, centrality and/or other spatial characteristics of data) directly in their mathematical computations.
1
vote
0answers
551 views
two results of IDW in ArcMAP are different
i added the following points to ArcMAP using "Add XY Data".
x,y,z
7,39,117
27,17,122
27,61,123
46,36,136
52,14,138
55,46,141
56,56,137
65,24,144
65,36,145
Changed raster output size in "options" ...
4
votes
2answers
411 views
comparing two TINs
i have the following two files:
1) LiDAR las file1
2) Let's give it a name LiDAR las file2, contains the same file1 data, where number of points randomly removed.
So if file1 contains X number of ...
6
votes
4answers
463 views
statistics by rectangle (raster image)
I have a shp file with some rectangles and I want to extract statistics within these areas from a raster image. I prefer ArcMap 9.3.
5
votes
3answers
1k views
Statistical relationships between rasters
I am trying to analyze how sets of rasters relate to each other using some statistical techniques. As, I don't have much experience using the spatial statistics tools in ArcGIS I was exporting my ...
3
votes
1answer
1k views
rmse between two rasters step-by-step
can anyone show how to calculate the RMSE (root mean square error) between following two rasters step-by-step and discuss on the obtained results' min and max values, and how to interpret it. Thanks a ...
9
votes
1answer
192 views
Visualization to inference workflow
I provide statistical support for a public health department. As you might imagine, we put together a lot of maps on a regular basis. For me, maps are just another kind of data visualization - ...
19
votes
6answers
2k views
How to compare two spatial point patterns?
If I have two point pattern distributions within the same geographic region, how would I go about visually and quantitatively comparing those two distributions?
Also assume I have many points within ...
14
votes
3answers
2k views
R to ArcGIS 9.3.1 or 10
I m trying to learn R generally and making statistics for maps. I found some useful tricks for making maps with it but it is not the best you can do. My everyday GIS program is ArcGIS. How I can use ...
5
votes
2answers
142 views
Monitoring programmes
I am not sure if it is a right place to ask this one but let me try.
Monitoring programmes are known for various targets and for various spatial levels.
They may include regions, countries or even ...
10
votes
1answer
2k views
Using R with ArcGIS Desktop
In response to comments below, a re-phrasing of the question.
I've used the integration of R with QGIS, and found it a very uesful tool. Having taken a look at the R toolbox extension for 9 and the ...
26
votes
7answers
5k views
Open source methods for kriging?
I have a point dataset which I'd like to Krige, ideally using an open-source software package. If possible, I'd also like to choose the semi-variogram model during the process to improve the ...
