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...

(altering region area), and proportional point symbols. The earliest known map to visually represent the volume of flow were two maps by engineer Henry Drury...

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...

Included were early chorochromatic and flow maps, and possibly the first proportional point symbol and dasymetric maps. Another example of early thematic mapping...

is represented using a standard thematic map technique, such as choropleth, cartogram, or proportional symbols. They may be the same type or different...

Chorochromatic map Dasymetric map Dot distribution map Heat map MacChoro Michael Peterson (geographer) Map coloring Proportional symbol map Dent, Borden...

this, it is a strategy that is similar to proportional symbol maps, which scale point features, and many flow maps, which scale the weight of linear features...

are proportional or directly proportional if their corresponding elements have a constant ratio. The ratio is called coefficient of proportionality (or...

some of the sources of misinterpretation. A Proportional symbol map visualizes statistical data of point symbols, often circles, using the visual variable...

A proportional symbol map of each state's endangered species count...

quantities is represented by closely packed circles whose areas are proportional to the quantities. Unlike a traditional bubble chart, such displays don't...

box-and-whisker plots), geospatial maps (such as proportional symbol maps, choropleth maps, isopleth maps and heat maps), figures, correlation matrices,...

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...

The infinity symbol (∞) is a mathematical symbol representing the concept of infinity. This symbol is also called a lemniscate, after the lemniscate curves...

variable X is standard normal. 6.  Notation for proportionality. See also ∝ for a less ambiguous symbol. ≡    (triple bar) 1.  Denotes an identity; that...

MacEachren, Alan M., How Maps Work: Representation, Visualization, and Design, Guilford, 1995 "Graduated and Proportional Symbol Maps". GEOG 486: Cartography...

A typeface (or font family) is a design of letters, numbers and other symbols, to be used in printing or for electronic display. Most typefaces include...

arrows with a length proportional to a force loading, as in 1 cm to 1000 newtons: this is an example of a dimensional scale. A weather map at some scale may...

a type of thematic map that portray regions of categorical or nominal data using variations in color symbols. Chorochromatic maps are typically used to...

off repetitive measurements with some accuracy. A reduction compass or proportional dividers is used to reduce or enlarge patterns while conserving angles...

A monospaced font, also called a fixed-pitch, fixed-width, or non-proportional font, is a font whose letters and characters each occupy the same amount...

and S L {\displaystyle S_{L}} be the symbol string resulting from the latter logistic map. The symbols in the symbol string S C {\displaystyle S_{C}} were...

diagrams and Karnaugh map deriving and verifying the deduction "No Xs are Zs". In the illustration and table the following logical symbols are used: 1 can be...

is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa), which...

fixed-width or a proportional font is used. When viewed in Firefox 3.6, the symbols rendered in the order U+22A5, U+22A4, U+27C2 in a proportional font: "⊥ ⊤...

spaces are much thinner than a normal space (except in a monospaced (non-proportional) font), with the hair space in particular being the thinnest of horizontal...

produces three outputs: a symbol to write over the symbol in the current tape cell (it may be the same symbol as the symbol overwritten), a direction...

mathematical model of computation describing an abstract machine that manipulates symbols on a strip of tape according to a table of rules. Despite the model's simplicity...

Piper diagram, though in a more compact format that is suitable as a map symbol or for showing changes with time. The Maucha diagram is a special case...

A dasymetric map (from Greek δασύς dasýs 'dense' and μέτρο métro 'measure') is a type of thematic map that uses areal symbols to visualize a geographic...