Term
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Definition
| saves all symbology settings but does not save any of the data |
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Term
generalization tools: what are they? what are they good for? why can they be too complicated?
Chpt 1-2 |
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Definition
1. removes vertices in lines and polygons
2. good for more complex analysis types that aim to quantify the results, because additional processing may be done to the dissolved dataset that cannot be done to the entire dataset.
3. however, this leaves you with two copies of the data for you to deal with |
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Term
how do you create the same look as a dissolved dataset withough creating a copy of your dataset?
Chpt 1-2 |
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Definition
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Term
If doing data analysis is it better to simplify data by grouping values or using generalization tools?
Chpt 1-2 |
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Definition
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Term
If doing visual analysis is it better to simplify data by grouping values or using generalization tools?
Chpt 1-2 |
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Definition
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Term
In order to only add certain categories to the legend you select the "Value Field" and then click....
Chpt. 1-3 |
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Definition
| "Add values" and select the specific categories you want. |
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Term
In order to temporarily ignore some of the values (for example only analyze the residential zones of your zoning codes) you can use....
Chpt 1-3 |
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Definition
| definition query to select your important values. In order to remove the definition query and look at all values again just delete definition query |
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Term
where is definition query?
Chpt. 1-3 |
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Definition
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Term
Definition Query Terminology
"AND" means
"OR" means
Chpt. 1-3 |
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Definition
AND- BOTH sides of the equation must be true to select a feature
OR- EITHER side of an equation can be true to select a feature |
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Term
Ways to work with quantities from the data (4)
Chpt 2-1 |
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Definition
1.counts
2.amounts
3.ratios
4.ranks |
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Term
Three ways to map quantities
Chpt 2-1 |
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Definition
1. discrete features
2. continuous phenomena
3. data summarized by area |
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Term
Describe: Discrete Features
Chpt 2-1 |
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Definition
| represent a single item or value (points, lines, or areas) |
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Term
Give Example: Discrete Features
(for points, lines, and areas)
Chpt 2-1 |
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Definition
points- store locations with annual sales associated with each point
lines- streets with a count of cars on each per day
areas- lakes with total volume of each |
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Term
Describe: Continuous Phenomena
Chpt 2-1 |
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Definition
| usually rasters and show values continuously over an area |
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Term
Give Examples: Continuous Phenomena
Chpt 2-1 |
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Definition
| weather maps which show rainfall over an entire city based on measurements at a few sites |
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Term
Give Examples: Data Summarized by area
Chpt 2-1 |
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Definition
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