# "(Pierre-Fran)" returned 6 hits

**Pierre**de Fermat, Descartes portrait, Biographical sketch - Rene Descartes

**Pierre**-Francois Verhulst et la loi logistique de la population, Verhulst portrait

1

Coordinate system reintroduced in mathematics, analytic geometry; relationship established between graphed line and equation

Mediaitems:
Biographical sketch - **Pierre** de Fermat, Descartes portrait, Biographical sketch - Rene Descartes

Category:
Statistics & Graphics

2

Initial statements of the theory of probability

Mediaitems:
Pascal portrait, Pascal biography, extract from

Category:
Statistics & Graphics

3

The central limit theorem explains why many distributions tend to be close to the normal distribution. The key ingredient is that the random variable being observed should be the sum or mean of many independent identically distributed random variables.

Mediaitem:
The Central Limit Theorem

Category:
Statistics & Graphics

4

Choropleth map with shadings from black to white (distribution and intensity of illiteracy in France), the first (unclassed) choropleth map, and perhaps the first modern statistical map. (This map dates from 1826 cite[Plate 1, vol. 2]{Dupin:1827} according to Robinson cite[p. 232]{Robinson:1982}, rather than 1819 according to Funkhouser cite{Funkhouser:1937})

Mediaitems:
Dupin portrait, with his map, Dupin choropleth map of France

Category:
Cartography

5

Choropleth map with shadings from black to white (distribution and intensity of illiteracy in France), the first (unclassed) choropleth map, and perhaps the first modern statistical map

Mediaitems:
Dupin portrait, Dupin choropleth map of literacy in France, Dupin cartogram map of France, Dupin biography

Category:
Cartography

6

Development of the logistic curve, $ y = k / (1 + C e^{rt})$, to describe the growth of human populations

Mediaitems:
Verhulst bio, **Pierre**-Francois Verhulst et la loi logistique de la population, Verhulst portrait

Category:
Statistics & Graphics