data cleaning
21Operational data store — An operational data store (or ODS ) is a database designed to integrate data from multiple sources for additional operations on the data. The data is then passed back to operational systems for further operations and to the data warehouse for… …
22Material safety data sheet — An example MSDS in a US format provides guidance for handling a hazardous substance and information on its composition and properties. MSDS redirects here. For the video game, see MapleStory DS. A Material Safety Data Sheet (MSDS) (also known as… …
23Fouille du web — Exploration de données Articles principaux Exploration de données Fouille de données spatiales Fouille du web Fouille de flots de données Fouille de textes …
24Discovery Net — is one of the earliest examples of a scientific workflow system allowing users to coordinate the execution of remote services based on Web service and Grid Services (OGSA and Open Grid Services Architecture) standards. The system was designed and …
25World Values Survey — Type Non profit association Founded 1981 Location …
26Spatial analysis — In statistics, spatial analysis or spatial statistics includes any of the formal techniques which study entities using their topological, geometric, or geographic properties. The phrase properly refers to a variety of techniques, many still in… …
27Living lab — Articleissues|article=September 2008 cleanup = September 2008 OR = September 2008 peacock = September 2008 advert = September 2008Living Lab is a new research paradigm integrating both: * a user centred multidisciplinary research approach * a… …
28ORC International — Type Wholly owned subsidiary Industry Marketing Founded 1938 (1938) Headquarters London, England, United Kingdom …
29Limpieza de datos — Este artículo o sección sobre informática necesita ser wikificado con un formato acorde a las convenciones de estilo. Por favor, edítalo para que las cumpla. Mientras tanto, no elimines este aviso puesto el 17 de agosto de 2010. También puedes… …
30Missing values — In statistics, missing values are a common occurrence. Several statistical methods have been developed to deal with this problem. Missing values mean that no data value is stored for the variable in the current observation. Modern statistical… …
