Spatial Statistics, What is it? and Why use it?
The approach taken in this post is to offer an introduction of basic and main concepts of spatial data analysis as well as the importance of its utilization in some areas like epidemiology or ecology among others. But, before to introduce a definition of spatial statistics and some concepts about this field, I consider relevant to mention some situations in which our data need to be seen as ‘spatial data’.
It is possible that people associate spatial statistics with analysis that contain numerous maps. However, it goes beyond creating these, in fact spatial data analysis is subject to internal structure of the observed data. We therefore have to be careful with the questions not directly answered by looking at the data.
We could make a long list of areas where we can apply spatial statistics: epidemiology, agriculture, ecology, environmental science, geology…
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