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- 1What are three benefits and three problems with using Excel to maintain a database?Advantages: store large amount of data; available formula's/statistical tests; better quality charts
Disadvantages: cannot be shared by multiple users; cannot store relational data easily; cannot assign unique identified to relate data to another table - 2Describe what a GIS is and how you might be able to use GIS in your careers someday. List three uses.GIS: Geographic Information System - use of maps for analysis to facilitate making spatial decision; view/manage spatial features
Career: determine how land use has changed over time and how water quality has been affected in response
Uses: mapping data: plotting cholera with well locations, proximity analysis: on average how far is one thing from another; buffering: creates a zone within a certain distance of a feature - 3What is the power of GIS, what unique attributes of data make it suitable for use in a GIS?Power: ability to link process to place and allow us to see patterns in data at locations
Ex. Cholera is water borne - 4—
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- Fichas sobre Sin título, creado por jlmarsh el 04/12/2015.
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