variability of data

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• Data-driven testing — (DDT) is a term used in the testing of computer software to describe testing done using a table of conditions directly as test inputs and verifiable outputs as well as the process where test environment settings and control are not hard coded. In …   Wikipedia

• Variability — The extent to which data points in a statistical distribution or data set diverge from the average or mean value. Variability also refers to the extent to which these data points differ from each other. There are four commonly used measures of… …   Investment dictionary

• Variability hypothesis — The variability hypothesis originated in the early nineteenth century with Johann Meckel who argued that females are more variable than males. Because he considered males to be the superior animal Meckel concluded that variation was a sign of… …   Wikipedia

• Data mining — Not to be confused with analytics, information extraction, or data analysis. Data mining (the analysis step of the knowledge discovery in databases process,[1] or KDD), a relatively young and interdisciplinary field of computer science[2][3] is… …   Wikipedia

• Data 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… …   Wikipedia

• Heart rate variability — (HRV) is a measure of the beat to beat variations in heart rate. It is usually calculated by analyzing a time series of beat to beat intervals from the ECG or of beat to beat intervals derived from an arterial pressure tracing.Various measures of …   Wikipedia

• Climate Data Records — A Climate Data Record (CDR) is a specific definition of a climate data series, developed by the Committee on Climate Data Records from NOAA Operational Satellites of the National Research Council at the request of NOAA in the context of satellite …   Wikipedia

• British Oceanographic Data Centre — British Oceanographic Data CentreCentre OverviewFormed1969LocationLiverpool, UK L3 5DADirectorDr Juan BrownGoverning BodyNatural Environment Research Council (NERC) …   Wikipedia

• European Soil Data Center — The European Soil Data Centre (ESDAC) is the thematic centre for soil related data in Europe and has been established according to a decision taken among the European Commission s DG ENV, DG JRC, ESTAT and the European Environment Agency.European …   Wikipedia

• Variable data printing — (VDP) (also known as variable information printing (VIP) or VI) is a form of on demand printing in which elements such as text, graphics and images may be changed from one printed piece to the next, without stopping or slowing down the printing… …   Wikipedia

• Single subject design — or Single Case Research Design is a research design most often used in applied fields of psychology, education, and human behavior in which the subject serves as his/her own control, rather than utilizing another individual/group. Researchers… …   Wikipedia