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Cap Gemini SDM, or SDM2 (System Development Methodology) is a software development method developed by the software company Pandata in the Netherlands in 1970. The method is a waterfall model divided in seven phases that have a clear start and end.
1 1 Fertiliser × Environment 556.1667 6 1 −1 Fertiliser 525.4 3 1 −1 Environment 519.2679 2 1 −1 Composite (correction factor [8]) 504.6 1 −1 −1 −1 1 Squared deviations () 136.4 14.668 20.8 16.099 84.833 Degrees of freedom 14 1 2 2 9 Mean square variance 14.668 10.4 8.0495 9.426
In mathematics, a function is a rule for taking an input (in the simplest case, a number or set of numbers) [5] and providing an output (which may also be a number). [5] A symbol that stands for an arbitrary input is called an independent variable, while a symbol that stands for an arbitrary output is called a dependent variable. [6]