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Sigma AB (or Sigma Group) is a group of companies carrying out consultancy operations within IT, information logistics, engineering services, technical R&D, industry and social structure. Sigma AB offers its services through the business areas Sigma Technology, Sigma Connectivity, Sigma Industry, Sigma Civil and Sigma Software, within which ...
Bollinger Bands (/ ˈbɒlɪndʒər /) are a type of statistical chart characterizing the prices and volatility over time of a financial instrument or commodity, using a formulaic method propounded by John Bollinger in the 1980s. Financial traders employ these charts as a methodical tool to inform trading decisions, control automated trading ...
Value-stream mapping, also known as material- and information-flow mapping, [1] is a lean [2] -management method for analyzing the current state and designing a future state for the series of events that take a product or service from the beginning of the specific process until it reaches the customer. A value stream map is a visual [2] tool ...
Chart. A pie chart showing the composition of the 38th Parliament of Canada. A chart (sometimes known as a graph) is a graphical representation for data visualization, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart ". [1] A chart can represent tabular numeric data ...
The SDS Sigma series is a series of third generation computers [1][2][3] that were introduced by Scientific Data Systems of the United States in 1966. [4] The first machines in the series are the 16-bit Sigma 2 and the 32-bit Sigma 7; the Sigma 7 was the first 32-bit computer released by SDS. At the time, the only competition for the Sigma 7 ...
Stock A over the past 20 years had an average return of 10 percent, with a standard deviation of 20 percentage points (pp) and Stock B, over the same period, had average returns of 12 percent but a higher standard deviation of 30 pp. On the basis of risk and return, an investor may decide that Stock A is the safer choice, because Stock B's ...
Sigma Designs (NAS: SIGM) , the multimedia chip maker, zoomed deep into the red with a worse-than-expected third-quarter loss as it shifted focus to next-generation products that would be less ...
A structure chart (SC) in software engineering and organizational theory is a chart which shows the breakdown of a system to its lowest manageable levels. [2] They are used in structured programming to arrange program modules into a tree. Each module is represented by a box, which contains the module's name.