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Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.
[3] Callable units are present at multiple levels of abstraction in the programming environment. For example, a programmer may write a function in source code that is compiled to machine code that implements similar semantics. There is a callable unit in the source code and an associated one in the machine code, but they are different kinds of ...
After tricking the adaptive test into building a maximally easy exam, they could then review the items and answer them correctly—possibly achieving a very high score. Test-takers frequently complain about the inability to review. [9] Because of the sophistication, the development of a CAT has a number of prerequisites. [10]
A programmer, computer programmer or coder is an author of computer source code – someone with skill in computer programming. The professional titles software developer and software engineer are used for jobs that require a programmer.
Choose the desired confidence level – the percent chance that, when the Monte Carlo algorithm completes, m is indeed within ε of μ. Let z be the z -score corresponding to that confidence level. Let s 2 be the estimated variance, sometimes called the “sample” variance; it is the variance of the results obtained from a relatively small ...
Like approximate entropy (ApEn), Sample entropy (SampEn) is a measure of complexity. [1] But it does not include self-similar patterns as ApEn does. For a given embedding dimension, tolerance and number of data points, SampEn is the negative natural logarithm of the probability that if two sets of simultaneous data points of length have distance < then two sets of simultaneous data points of ...
Shell sort has distinctly improved running times in practical work, with two simple variants requiring O(n 3/2) and O(n 4/3) running time. [ 5 ] [ 6 ] If the cost of comparisons exceeds the cost of swaps, as is the case for example with string keys stored by reference or with human interaction (such as choosing one of a pair displayed side-by ...
[3] Linear regression was the first type of regression analysis to be studied rigorously, and to be used extensively in practical applications. [ 4 ] This is because models which depend linearly on their unknown parameters are easier to fit than models which are non-linearly related to their parameters and because the statistical properties of ...