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A dot chart or dot plot is a statistical chart consisting of data points plotted on a fairly simple scale, typically using filled in circles. There are two common, yet very different, versions of the dot chart.
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. Dot maps are a type of unit visualizations that rely on a visual scatter to show spatial patterns, especially variances in density.
A multivariate dot density map mixes dots of different colors in each district, typically representing separate subgroups of the overall population. A multivariate symbol map represents two or more variables in the same thematic map layer, using distinct visual variables for each variable.
Dots per inch (DPI, or dpi) is a measure of spatial printing, video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).
Alternatively, aggregate statistical data (the same used in choropleth maps) may be mapped by randomly placing dots within each aggregation region (e.g., country, state, county) to show the general density of instances; this latter form is usually called a dot density map.
Note the increased densities around the edge of the urban area. 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 field by refining a choropleth map with ancillary information about the distribution of the variable.
Lack of acceptance of silicone-based fluids led to the development of DOT 5.1, a fluid giving the performance advantages of silicone, whilst retaining some familiarity and compatibility with the glycol ether fluids. DOT 5.1 is the non-silicone version of DOT 5, defined by FMVSS 116 as being less than 70% silicone. Above that threshold makes it ...
Violin plot. Example of a violin plot. Example of a violin plot in a scientific publication in PLOS Pathogens. A violin plot is a statistical graphic for comparing probability distributions. It is similar to a box plot, with the addition of a rotated kernel density plot on each side.
Each of the 15,266 pixels represents the home country of 500,000 people – cartogram by Max Roser for Our World in Data. 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 ...
An 1858 proportional symbol map by Charles Joseph Minard, with a circle for each department sized according to the amount of meat shipped to Paris for consumption, including pie charts distinguishing the types of meat.