| An important consideration in producing a choropleth map is the choice of classification scheme to be used. |
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| Care is needed in the interpretation of all maps, and choropleth maps are no exception. |
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| They also compared a choropleth map showing the number of people living in each state with one showing population density. |
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| Because these objectives often conflict, a choropleth map that is best for one objective may not be best for others. |
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| On a choropleth map, cartographic convention assigns the darkest color to the highest value. |
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| A choropleth map of the area might show that there was a cluster of cholera cases, but it might not, depending on where the boundaries are drawn. |
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| The choice of color schemes for choropleth mapping in CartoVista has been reviewed and improved significantly. |
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| They created a choropleth map of the results, using a location quotient whereby shading indicates the volume of followers relative to the total number of Twitter users in a given country. |
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| Since all of the crime and socio-economic data employed in the three studies is aggregated to match geographic boundaries, it was determined that choropleth mapping was the most appropriate. |
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| If you have numerical data that links to geographic regions, this type of thematic map, also known as a choropleth map will help you understand and compare your values by displaying color ranges. |
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| A general introduction article on choropleth maps. |
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| That atlas is part of the web-based learning environment and contains nation-wide data, visualised on choropleth maps to see national differences. |
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| The choropleth cartography technique is less useful for indicating data covering the large northern regions and rural regions, where the populations are small and hence over-represented. |
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| A relative value indicator is represented by a choropleth analysis. |
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| The choropleth map, which shows distributions by area, is one of the most frequently used maps in geography. |
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| The scale and unit of analysis for choropleth maps depends upon the area to be mapped. |
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| It is designed to provide an easy and powerful way to create choropleth maps that are tightly integrated with your data. |
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| Figure 6 is a choropleth map showing the number of high-achieving students in each county of the United States. |
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| In 1829, French lawyer and social ecologist Andre-Michel Guerry used one of the first choropleth maps. |
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| The data are presented in visual form on choropleth maps that use different colors or shades to depict the average values in each area. |
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| The design and production of choropleth maps are relatively streamlined because of well-established data-symbolization techniques. |
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| A choropleth map is one in which the data or enumeration units are represented by patterns or colors. |
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| A choropleth map uses shades or colors to demonstrate the geographic distribution of a range of values. |
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| The questionnaire asked participants to express their opinion about a choropleth map of the number of tractors for Chinese provinces. |
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| Therefore, the design of the symbols for choropleth maps usually lies in the symbolization of the data classes. |
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| Representing uncertainty integrated into such maps is challenging compared to maps with more homogeneous objects such as choropleth maps. |
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| The creation of choropleth maps, the dominant cartographic form in these atlases, raises several methodological questions. |
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| Symbols with classed variants or with continuous variation in patterns may also be used for choropleth maps. |
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| These relationships connected numerical data to the polygons as a source data for the choropleth maps and the bar diagrams. |
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| When used in dot and choropleth maps, the ecumene concept provides a more accurate depiction of the spatial distribution of data within standard geographic areas such as census divisions. |
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| When ecumene boundaries are used for dot and choropleth mapping, they give a more accurate depiction of the spatial distribution of data within standard geographic areas. |
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| Datawrapper Datawrapper now offers a choropleth map option which allows you to differentiate between the highest and lowest value data by colour gradient. |
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| Researchers exploring the value of different types of timber across the Amazon rainforest have produced a fascinating choropleth map to illustrate their findings. |
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| The idea of an isopleth map can be compared with that of a choropleth map. |
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| An elevation matrix approximation provides us with very small, regularly placed units which can overcome many of the problems of choropleth representation. |
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| A couple of examples might be a dot map showing corn production in Indiana or a shaded area map of Ohio counties, divided into numerical choropleth classes. |
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| A choropleth map shows the boundaries of administrative or other districts and classifies the observations for each district with colors or patterns. |
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| Choropleth maps use color hue and intensity to contrast differences between regions, such as demographic or economic statistics. |
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| Choropleth migration maps which show relative densities of a species across the earth's surface. |
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| Choropleth maps portray data collection areas, such as counties or census tracts, with color. |
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