proportions data
1Data transformation (statistics) — A scatterplot in which the areas of the sovereign states and dependent territories in the world are plotted on the vertical axis against their populations on the horizontal axis. The upper plot uses raw data. In the lower plot, both the area and… …
2Law of multiple proportions — In chemistry, the law of multiple proportions is one of the basic laws and a major tool of chemical measurement (stoichiometry). It states that when elements combine they do so in a ratio of small whole numbers. For example, carbon and oxygen… …
3Compositional data — In statistics, compositional data are quantitative descriptions of the parts of some whole, conveying exclusively relative information. This definition, given by John Aitchison (1986) has several consequences: A compositional data point, or… …
4Analysis of categorical data — These are statistical procedures which can be used for the analysis of categorical data:* regression * analysis of variance * linear modeling * log linear modeling * logistic regression * repeated measures analysis * simple correspondence… …
5DEMOGRAPHY — This entry is arranged according to the following outline: introduction size and geographical distribution of world jewry major geographical shifts of world jewry up to world war i 1914 TO 1939 the shoah 1948 TO 1970 1970 TO 2005 dispersion and… …
6Golden ratio — For the Ace of Base album, see The Golden Ratio (album). Not to be confused with Golden number. The golden section is a line segment divided according to the golden ratio: The total length a + b is to the length of the longer segment a as the… …
7Hardy–Weinberg principle — for two alleles: the horizontal axis shows the two allele frequencies p and q and the vertical axis shows the genotype frequencies. Each graph shows one of the three possible genotypes. The Hardy–Weinberg principle (also known by a variety of… …
8heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …
9Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
10VITAL STATISTICS — Introduction GENERAL EXPLANATION Population changes reflect the natural facts of life: births and deaths. Births, in turn, have long been largely governed by the mechanisms of family formation. Vital statistics are compilations of data on… …
