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In 2003, Sylvan Learning was purchased by Apollo Management from Sylvan Learning Systems Inc., its parent company. [ 2 ] [ 3 ] (Sylvan Learning Systems Inc. shifted focus to post-secondary education , and to reflect that change was renamed Laureate Education in 2004.) [ 3 ] In 2016, John McAuliffe was named as Chief Executive Officer.
The cost matrix is a crucial element within cost-sensitive modeling, [2] explicitly defining the costs or benefits associated with different prediction errors in classification tasks. Represented as a table, the matrix aligns true and predicted classes, assigning a cost value to each combination.
Laureate Education was originally created by Douglas Becker in 1998, as Sylvan International Universities, an operational division of Sylvan Learning Systems that would focus on post-secondary institutions. At the time, Sylvan was primarily focused on services for students in primary and secondary education through company owned and franchise ...
A college cost calculator, in the United States, is an online tool allowing students and their parents to calculate how much college is likely to cost. [1] [2] Numbers are input into the online calculator, and if done properly, it gives an estimate of the likely expenses for that student attending that particular college.
Prometric's computerized testing centers were founded by Drake International in 1990 under the name Drake Prometric. [1] In 1995, Drake Prometric L.P. was sold to Sylvan Learning in a cash and stock deal worth approximately $44.5 million. [2]
In many applications, objective functions, including loss functions as a particular case, are determined by the problem formulation. In other situations, the decision maker’s preference must be elicited and represented by a scalar-valued function (called also utility function) in a form suitable for optimization — the problem that Ragnar Frisch has highlighted in his Nobel Prize lecture. [4]
In machine learning (ML), a learning curve (or training curve) is a graphical representation that shows how a model's performance on a training set (and usually a validation set) changes with the number of training iterations (epochs) or the amount of training data. [1]
The learning curve may refer to a specific task or a body of knowledge. Hermann Ebbinghaus first described the learning curve in 1885 in the field of the psychology of learning, although the name did not come into use until 1903. [4] [5] In 1936 Theodore Paul Wright described the effect of learning on production costs in the aircraft industry. [6]