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Confusingly, sometimes when people refer to wMAPE they are talking about a different model in which the numerator and denominator of the wMAPE formula above are weighted again by another set of custom weights .
Definition and basic properties. The MSE either assesses the quality of a predictor (i.e., a function mapping arbitrary inputs to a sample of values of some random variable), or of an estimator (i.e., a mathematical function mapping a sample of data to an estimate of a parameter of the population from which the data is sampled).
Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.
In other words, a problem is ill-conditioned if its conditions number is "much larger" than 1. The condition number is introduced as a measure of the roundoff errors that can result when solving ill-conditioned problems. See also. Precision (arithmetic) Truncation; Rounding; Loss of significance; Floating point; Kahan summation algorithm ...
According to estimates from the American Psychiatric Association, around 8.4 percent of children and 2.5 percent of adults live with ADHD. A 2015 review suggests many people with ADHD have trouble ...
The relative change is independent of the unit of measurement employed; for example, the relative change from 2 to 1 m is −50%, the same as for 200 to 100 cm.The relative change is not defined if the reference value (v ref) is zero, and gives negative values for positive increases if v ref is negative, hence it is not usually defined for negative reference values either.
Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields. The former is an example of simple problem solving (SPS) addressing one issue ...
This problem is solved by first aligning the recognized word sequence with the reference (spoken) word sequence using dynamic string alignment. ... The term "Single ...