# Geostatistics ESRI

Lauren Scott, Ph.D.

Where do statistics, spatial statistics, and geostatistics fit in GIS projects? Dr. Lauren Scott, a product engineer on Esri's geoprocessing team and an expert in the use of statistics in a geospatial context, answers that question and others in an interview conducted by Matt Artz, Esri's GIS and science marketing manager and editor of the GISandScience.com blog.

At Esri, Scott is responsible for software support, education, documentation, and development of spatial statistics tools in ArcGIS. She received her Ph.D. in 1999 from the Joint Doctoral Program at San Diego State University and the University of California, Santa Barbara. She holds an M.A. and a B.A. in geography from California State University, Fullerton.

Artz: How do traditional statistics, spatial statistics, and geostatistics differ from each other?

Scott: Traditional or non-spatial statistics are typically used in two different ways. In the first case, we have a large set of data values that we want to understand, and we can use descriptive statistics to try to summarize them. In the second case, we may have a set of samples and we want to know how reflective those samples are of the broader population.

Artz: Where do spatial statistics come into play?

Scott: Spatial statistics were designed specifically for use with spatial data-with geographic data. These methods actually use space-area, length, proximity, direction, orientation, or some notion of how the features in a dataset interact with each other-right in the mathematics. That's really what makes spatial statistics different from traditional statistical methods.

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#### Popular Q&A

##### How to study biostatistics through distance learning?

hello friends...i am considering a specialisation in biostatistics (MSc/pg diploma/etc) as an alternate career...can anyone suggest me what universities(india esp) offer courses in biostatistics at pg level n preferably through distance education?

all suggestions open .....

Courses in statistics (B. Sc., M.Sc., M.Phil, Ph.D.) are available in most of universities. Biostatistics is just the use of statistical methods in biology. You will not get biostatistics as a subject. Join statistics with IGNOU.

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