(subsamples)

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• subsamples — v. take a small specimen from a larger sample; reduce the resolution of a digital image by using an algorithm (Computers) …   English contemporary dictionary

• Cross-validation (statistics) — Cross validation, sometimes called rotation estimation,[1][2][3] is a technique for assessing how the results of a statistical analysis will generalize to an independent data set. It is mainly used in settings where the goal is prediction, and… …   Wikipedia

• MetPetDB — [1] is a relational database and repository for global geochemical data on and images collected from metamorphic rocks from the earth s crust. MetPetDB is designed and built by a global community of metamorphic petrologists in collaboration with… …   Wikipedia

• Mars effect — A Gauqelin diagram mapping incidence of birth time and latitude to the natal position of Mars relative to the ecliptic of the rotating earth, showing peaks just after its daily rising and culmination in mid heaven (horizon and mid heaven are… …   Wikipedia

• Alpha diversity — (α diversity) is the biodiversity within a particular area, community or ecosystem, and is usually expressed as the species richness of the area.[1] This can be measured by counting the number of taxa (distinct groups of organisms) within the… …   Wikipedia

• stratification — The process or result of separating a sample into subsamples according to specified criteria such as age or occupational groups. [L. stratum, layer, + facio, to make] * * * strat·i·fi·ca·tion .strat ə fə kā shən n arrangement or formation in… …   Medical dictionary

• Odds ratio — The odds ratio [1][2][3] is a measure of effect size, describing the strength of association or non independence between two binary data values. It is used as a descriptive statistic, and plays an important role in logistic regression. Unlike… …   Wikipedia

• 1983 ISIS Survey — The 1983 ISIS Survey was a survey conducted by the Institute for the Scientific Investigation of Sexuality under the leadership of psychologist Paul Cameron, in an attempt to expose what Cameron felt were insidious going ons among homosexuals.… …   Wikipedia

• Resampling (statistics) — In statistics, resampling is any of a variety of methods for doing one of the following: # Estimating the precision of sample statistics (medians, variances, percentiles) by using subsets of available data (jackknife) or drawing randomly with… …   Wikipedia

• German Socio-Economic Panel — The German Socio Economic Panel (SOEP) is a longitudinal panel dataset of the population in Germany. It is a household based study which started in 1984 and which reinterviews adult household members annually. Additional samples have been taken… …   Wikipedia

• Grand mean — The grand mean is the mean of the means of several subsamples. [Everitt,2002] For example, consider several lots, each containing several items. The items from each lot are sampled for a measure of some variable and the means of the measurements… …   Wikipedia