"Alexander von Humboldt" returned 13 hits
1
Geological map (distribution of soils, minerals)
Mediaitem:
von Charpentier bio blurb (german)
Category:
Cartography
2
Idea for continuous log of automatically recorded time series graphs (of temperature and barometric pressure), also recording the maximum and minimum
Category:
Statistics & Graphics
3
Charts using subdivided bar graphs, and superimposed squares, showing the relative size of Mexican territories and populations in the colonies
Mediaitems:
Cross-section diagram of the Chimborazo, 1805--07, von Humboldt charts, Humboldt portrait, Humboldt portrait, Humboldt biography (French), von Humboldt biography
Category:
Statistics & Graphics
4
First graph of isotherms, showing mean temperature around the world by latitude and longitude. Recognizing that temperature depends more on latitude and altitude, a subscripted graph shows the direct relation of temperature on these two variables
Mediaitems:
von Humboldt isotherms, Annals de Chemie et de physique, 1817, von Humboldt isotherm, von Humboldt isotherms from Berghaus' 1849 Atlas, von Humboldt isotherm icon
Category:
Statistics & Graphics
5
Ethnographic maps showing distribution of ethnic groups throughout the world
Mediaitems:
James Cowles Prichard portrait, Ethnographical map of Africa, Ethnographical map of Europe, Johnston biography, Ethnographical map of Europe, Pritchard biography, Johnston bio and portrait (pdf)
Category:
Cartography
6
Two-variable color map (showing the joint distribution of horses (red, vertical bars) and cattle (green, horizontal bars) in Bavaria, widths of bars $sim$ animals/km$^2$)
Mediaitem:
von Mayr Portrait
Category:
Statistics & Graphics
7
First use of proportional, divided square in the modern (mosaic) form for data representation
Mediaitems:
von Mayr's Area diagram, von Mayr portrait, Mosaic graph by Von Mayr
Category:
Statistics & Graphics
8
First use of polar diagrams and star plots for data representation
Mediaitem:
von Mayr's polar diagram
Category:
Statistics & Graphics
9
Spate of articles on experimental tests of statistical graphical forms
Mediaitems:
Graphical image used by Washburne: Income, Graphical image used by Washburne: Population of Florence
Category:
Statistics & Graphics
10
Spate of articles on experimental tests of statistical graphical forms
Mediaitems:
Graphical image used by Washburne: Income, Graphical image used by Washburne: Population of Florence
Category:
Statistics & Graphics
11
Table of historical events drawn on logarithmic paper
Mediaitems:
Table of historical events drawn on logarithmic paper, Tabular representation of logarithic timeline, von Foerster interview and logarithmic timeline, von Foerster biography
Category:
Statistics & Graphics
12
Irregular polygon ("star plot'') to represent multivariate data (with vertices at equally spaced intervals, distance from center proportional to the value of a variable) [but see Georg von Mayr in 1877 cite[S. 78]{vonMayr:1877} for first use]
Mediaitems:
Star plot, description and example, Star plot of crime rates in US cities
Category:
Statistics & Graphics
13
Color-coded bivariate matrix to represent two intervally measured variables in a single map (Urban Atlas series)[but see Georg von Mayr in 1874 cite[Fig. XIX]{vonMayr:1874} for first use]
Mediaitem:
CDC map of incidence of stomach cancer
Category:
Statistics & Graphics
