Choropleth map, the Glossary

Table of Contents

1. 67 relations: A priori and a posteriori, Arithmetic mean, Arithmetic progression, Cartogram, Census tract, Charles Dupin, Chorochromatic map, Chromolithography, Cognitive load, Collectively exhaustive events, Color, Color blindness, Contour line, County (United States), Dasymetric map, Departments of France, Dichromacy, Dot distribution map, Ecological fallacy, Exogeny, False color, Field (geography), Frequency (statistics), Geographic information science, Geographic information system, Geometric distribution, Geometric progression, George F. Jenks, Geostatistics, Glenn Thomas Trewartha, Gross domestic product, Head/tail breaks, Heat map, Heuristic (computer science), Histogram, Hue, Infodemic, Intensive and extensive properties, Jenks natural breaks optimization, John Kirtland Wright, K-means clustering, Level of measurement, Lightness, MacChoro, Map coloring, Map symbol, Mark Monmonier, Mass, Median income, Michael Peterson (geographer), ... Expand index (17 more) »

2. Color scales
3. Thematic maps

A priori and a posteriori

A priori ('from the earlier') and a posteriori ('from the later') are Latin phrases used in philosophy to distinguish types of knowledge, justification, or argument by their reliance on experience.

See Choropleth map and A priori and a posteriori

Arithmetic mean

In mathematics and statistics, the arithmetic mean, arithmetic average, or just the mean or average (when the context is clear) is the sum of a collection of numbers divided by the count of numbers in the collection.

See Choropleth map and Arithmetic mean

Arithmetic progression

An arithmetic progression or arithmetic sequence (AP) is a sequence of numbers such that the difference from any succeeding term to its preceding term remains constant throughout the sequence.

See Choropleth map and Arithmetic progression

Cartogram

A cartogram (also called a value-area map or an anamorphic map, the latter common among German-speakers) is a thematic map of a set of features (countries, provinces, etc.), in which their geographic size is altered to be directly proportional to a selected variable, such as travel time, population, or gross national income. Choropleth map and cartogram are statistical charts and diagrams and thematic maps.

See Choropleth map and Cartogram

Census tract

A census tract, census area, census district or meshblock is a geographic region defined for the purpose of taking a census.

See Choropleth map and Census tract

Charles Dupin

Baron Pierre Charles François Dupin (6 October 1784, Varzy, Nièvre – 18 January 1873, Paris, France) was a French Catholic mathematician, engineer, economist and politician, particularly known for work in the field of mathematics, where the Dupin cyclide and Dupin indicatrix are named after him; and for his work in the field of statistical and thematic mapping.

See Choropleth map and Charles Dupin

Chorochromatic map

A Chorochromatic map, also known as an area-class, qualitative area, or mosaic map, is a type of thematic map that portray regions of categorical or nominal data using variations in color symbols. Choropleth map and Chorochromatic map are thematic maps.

See Choropleth map and Chorochromatic map

Chromolithography

Chromolithography is a method for making multi-colour prints.

See Choropleth map and Chromolithography

Cognitive load

In cognitive psychology, cognitive load refers to the amount of working memory resources used.

See Choropleth map and Cognitive load

Collectively exhaustive events

In probability theory and logic, a set of events is jointly or collectively exhaustive if at least one of the events must occur.

See Choropleth map and Collectively exhaustive events

Color

Color (American English) or colour (British and Commonwealth English) is the visual perception based on the electromagnetic spectrum.

See Choropleth map and Color

Color blindness

Color blindness or color vision deficiency (CVD) is the decreased ability to see color or differences in color.

See Choropleth map and Color blindness

Contour line

A contour line (also isoline, isopleth, isoquant or isarithm) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value.

See Choropleth map and Contour line

County (United States)

In the United States, a county or county equivalent is an administrative or political subdivision of a U.S. state or other territories of the United States which consists of a geographic area with specific boundaries and usually some level of governmental authority.

See Choropleth map and County (United States)

Dasymetric map

A dasymetric map is a type of thematic map that uses areal symbols to visualize a geographic field by refining a choropleth map with ancillary information about the distribution of the variable. Choropleth map and dasymetric map are thematic maps.

See Choropleth map and Dasymetric map

Departments of France

In the administrative divisions of France, the department (département) is one of the three levels of government under the national level ("territorial collectivities"), between the administrative regions and the communes.

See Choropleth map and Departments of France

Dichromacy

Dichromacy (from Greek di, meaning "two" and chromo, meaning "color") is the state of having two types of functioning photoreceptors, called cone cells, in the eyes.

See Choropleth map and Dichromacy

Dot distribution map

A dot distribution map (or a dot density map or simply a dot map) is a type of thematic map that uses a point symbol to visualize the geographic distribution of a large number of related phenomena. Choropleth map and dot distribution map are thematic maps.

See Choropleth map and Dot distribution map

Ecological fallacy

An ecological fallacy (also ecological inference fallacy or population fallacy) is a formal fallacy in the interpretation of statistical data that occurs when inferences about the nature of individuals are deduced from inferences about the group to which those individuals belong.

See Choropleth map and Ecological fallacy

Exogeny

In a variety of contexts, exogeny or exogeneity is the fact of an action or object originating externally.

See Choropleth map and Exogeny

False color

False colors and pseudo colors respectively refers to a group of color rendering methods used to display images in colors which were recorded in the visible or non-visible parts of the electromagnetic spectrum.

See Choropleth map and False color

Field (geography)

In the context of spatial analysis, geographic information systems, and geographic information science, a field is a property that fills space, and varies over space, such as temperature or density.

See Choropleth map and Field (geography)

Frequency (statistics)

In statistics, the frequency or absolute frequency of an event i is the number n_i of times the observation has occurred/recorded in an experiment or study.

See Choropleth map and Frequency (statistics)

Geographic information science

Geographic information science (GIScience, GISc) or geoinformation science is a scientific discipline at the crossroads of computational science, social science, and natural science that studies geographic information, including how it represents phenomena in the real world, how it represents the way humans understand the world, and how it can be captured, organized, and analyzed.

See Choropleth map and Geographic information science

Geographic information system

A geographic information system (GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data.

See Choropleth map and Geographic information system

Geometric distribution

In probability theory and statistics, the geometric distribution is either one of two discrete probability distributions.

See Choropleth map and Geometric distribution

Geometric progression

A geometric progression, also known as a geometric sequence, is a mathematical sequence of non-zero numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

See Choropleth map and Geometric progression

George F. Jenks

George Frederick Jenks (1916–1996) was an American geographer known for his significant contributions to cartography and geographic information systems (GIS).

See Choropleth map and George F. Jenks

Geostatistics

Geostatistics is a branch of statistics focusing on spatial or spatiotemporal datasets.

See Choropleth map and Geostatistics

Glenn Thomas Trewartha

Glenn Thomas Trewartha (1896 – 1984) was an American geographer of Cornish American descent.

See Choropleth map and Glenn Thomas Trewartha

Gross domestic product

Gross domestic product (GDP) is a monetary measure of the market value of all the final goods and services produced and rendered in a specific time period by a country or countries.

See Choropleth map and Gross domestic product

Head/tail breaks

Head/tail breaks is a clustering algorithm for data with a heavy-tailed distribution such as power laws and lognormal distributions.

See Choropleth map and Head/tail breaks

Heat map

A heat map (or heatmap) is a 2-dimensional data visualization technique that represents the magnitude of individual values within a dataset as a color. Choropleth map and heat map are color scales and thematic maps.

See Choropleth map and Heat map

Heuristic (computer science)

In mathematical optimization and computer science, heuristic (from Greek εὑρίσκω "I find, discover") is a technique designed for problem solving more quickly when classic methods are too slow for finding an exact or approximate solution, or when classic methods fail to find any exact solution in a search space.

See Choropleth map and Heuristic (computer science)

Histogram

A histogram is a visual representation of the distribution of quantitative data. Choropleth map and histogram are statistical charts and diagrams.

See Choropleth map and Histogram

Hue

In color theory, hue is one of the main properties (called color appearance parameters) of a color, defined technically in the CIECAM02 model as "the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, orange, yellow, green, blue, violet," within certain theories of color vision.

See Choropleth map and Hue

Infodemic

An infodemic is a rapid and far-reaching spread of both accurate and inaccurate information about certain issues.

See Choropleth map and Infodemic

Intensive and extensive properties

Physical or chemical properties of materials and systems can often be categorized as being either intensive or extensive, according to how the property changes when the size (or extent) of the system changes.

See Choropleth map and Intensive and extensive properties

Jenks natural breaks optimization

The Jenks optimization method, also called the Jenks natural breaks classification method, is a data clustering method designed to determine the best arrangement of values into different classes.

See Choropleth map and Jenks natural breaks optimization

John Kirtland Wright

John Kirtland Wright (1891–1969) was an American geographer, notable for his cartography, geosophy, and study of the history of geographical thought.

See Choropleth map and John Kirtland Wright

K-means clustering

k-means clustering is a method of vector quantization, originally from signal processing, that aims to partition n observations into k clusters in which each observation belongs to the cluster with the nearest mean (cluster centers or cluster centroid), serving as a prototype of the cluster.

See Choropleth map and K-means clustering

Level of measurement

Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables.

See Choropleth map and Level of measurement

Lightness

Lightness is a visual perception of the luminance (L) of an object.

See Choropleth map and Lightness

MacChoro

MacChoro (pronounced MacKoro) was a computer program for choropleth mapping developed for early versions of the Apple Macintosh computer.

See Choropleth map and MacChoro

Map coloring

In cartographic design, map coloring is the act of choosing colors as a form of map symbol to be used on a map.

See Choropleth map and Map coloring

Map symbol

A map symbol or cartographic symbol is a graphical device used to visually represent a real-world feature on a map, working in the same fashion as other forms of symbols.

See Choropleth map and Map symbol

Mark Monmonier

Mark Stephen Monmonier (born February 2, 1943) is a Distinguished Professor of Geography and the Environment at the Maxwell School of Citizenship and Public Affairs of Syracuse University.

See Choropleth map and Mark Monmonier

Mass

Mass is an intrinsic property of a body.

See Choropleth map and Mass

The median income is the income amount that divides a population into two groups, half having an income above that amount, and half having an income below that amount.

See Choropleth map and Median income

Michael Peterson (geographer)

Michael P. Peterson is an American geographer and cartographer whose fields of research include Geographic information systems and computer cartography in relation to the Internet and World Wide Web.

See Choropleth map and Michael Peterson (geographer)

Modifiable areal unit problem

The modifiable areal unit problem (MAUP) is a source of statistical bias that can significantly impact the results of statistical hypothesis tests.

See Choropleth map and Modifiable areal unit problem

Mutual exclusivity

In logic and probability theory, two events (or propositions) are mutually exclusive or disjoint if they cannot both occur at the same time.

See Choropleth map and Mutual exclusivity

Normalization (statistics)

In statistics and applications of statistics, normalization can have a range of meanings.

See Choropleth map and Normalization (statistics)

Physics

Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force.

See Choropleth map and Physics

Population density

Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area.

See Choropleth map and Population density

Poverty threshold

The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country.

See Choropleth map and Poverty threshold

Proportional symbol map

A proportional symbol map or proportional point symbol map is a type of thematic map that uses map symbols that vary in size to represent a quantitative variable. Choropleth map and proportional symbol map are thematic maps.

See Choropleth map and Proportional symbol map

Quantile

In statistics and probability, quantiles are cut points dividing the range of a probability distribution into continuous intervals with equal probabilities, or dividing the observations in a sample in the same way.

See Choropleth map and Quantile

Quartile

In statistics, quartiles are a type of quantiles which divide the number of data points into four parts, or quarters, of more-or-less equal size.

See Choropleth map and Quartile

Skewness

In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable about its mean.

See Choropleth map and Skewness

Spatial analysis

Spatial analysis is any of the formal techniques which studies entities using their topological, geometric, or geographic properties.

See Choropleth map and Spatial analysis

Spreadsheet

A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form.

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Standard score

In statistics, the standard score is the number of standard deviations by which the value of a raw score (i.e., an observed value or data point) is above or below the mean value of what is being observed or measured.

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Stanley Smith Stevens

Stanley Smith Stevens (November 4, 1906 – January 18, 1973) was an American psychologist who founded Harvard's Psycho-Acoustic Laboratory, studying psychoacoustics, and he is credited with the introduction of Stevens's power law.

See Choropleth map and Stanley Smith Stevens

Tax bracket

Tax brackets are the divisions at which tax rates change in a progressive tax system (or an explicitly regressive tax system, though that is rarer).

See Choropleth map and Tax bracket

Thematic map

A thematic map is a type of map that portrays the geographic pattern of a particular subject matter (theme) in a geographic area. Choropleth map and thematic map are thematic maps.

See Choropleth map and Thematic map

Waldo R. Tobler

Waldo Rudolph Tobler (November 16, 1930 – February 20, 2018) was an American-Swiss geographer and cartographer.

See Choropleth map and Waldo R. Tobler

See also

Color scales

• APHA color
• Choropleth map
• Color quality scale
• Color triangle
• Color wheel
• Fischer–Saller scale
• Fitzpatrick scale
• Forel-Ule scale
• Gardner color scale
• Heat map
• Martin scale
• Martin–Schultz scale
• Monk Skin Tone Scale
• Pt/Co scale
• Von Luschan's chromatic scale

Thematic maps

• Bathymetric chart
• Cartogram
• Chorochromatic map
• Choropleth map
• Dasymetric map
• Dot distribution map
• Flow map
• Heat map
• Isochrone map
• Isopach map
• Multivariate map
• Proportional symbol map
• Thematic map

References

[1] https://en.wikipedia.org/wiki/Choropleth_map

Also known as Chloropleth, Choropleth, Choropleth mapping, Shaded map.

, Modifiable areal unit problem, Mutual exclusivity, Normalization (statistics), Physics, Population density, Poverty threshold, Proportional symbol map, Quantile, Quartile, Skewness, Spatial analysis, Spreadsheet, Standard score, Stanley Smith Stevens, Tax bracket, Thematic map, Waldo R. Tobler.