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A related but different everyday usage occurs in the sentence "He makes a lot of money." This refers to a variable that economists call income. Unlike the usages mentioned above, this one has the units "dollars, or another currency, per unit of time", where the unit of time might be a week, month, or year, making it a flow variable.
Since an LOE activity is not itself a work item directly associated with accomplishing the final project product, service or result, but rather one that supports such work, its duration is based on the duration of the discrete work activity it is supporting—oiling machinery will start when manufacturing starts and finish when it finishes.
Attributes are closely related to variables. A variable is a logical set of attributes. [1] Variables can "vary" – for example, be high or low. [1] How high, or how low, is determined by the value of the attribute (and in fact, an attribute could be just the word "low" or "high"). [1] (For example see: Binary option)
Holding all other things constant is directly analogous to using a partial derivative in calculus rather than a total derivative, and to running a regression containing multiple variables rather than just one in order to isolate the individual effect of one of the variables. Ceteris paribus is an extension of scientific modeling.
For example, if an outdoor experiment were to be conducted to compare how different wing designs of a paper airplane (the independent variable) affect how far it can fly (the dependent variable), one would want to ensure that the experiment is conducted at times when the weather is the same, because one would not want weather to affect the ...
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A proven approach [21] is for companies to conduct a cross-functional workshop that involves not just the Product and the Marketing teams but also the Sales and Customer Service teams to build a company specific view on Value-based Pricing. Once this common definition is established, companies can then go about quantifying value and ...