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1 day ago · In machine learning applications where logistic regression is used for binary classification, the MLE minimises the cross-entropy loss function. Logistic regression is an important machine learning algorithm. The goal is to model the probability of a random variable being 0 or 1 given experimental data.
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5 hours ago · If a n is the probability mass function of a discrete random variable, then its ordinary generating function is called a probability-generating function. The ordinary generating function can be generalized to arrays with multiple indices. For example, the ordinary generating function of a two-dimensional array a m,n (where n and m are natural ...
5 hours ago · For example, for Newton's method as applied to a function f to oscillate between 0 and 1, it is only necessary that the tangent line to f at 0 intersects the x-axis at 1 and that the tangent line to f at 1 intersects the x-axis at 0. This is the case, for example, if f(x) = x 3 − 2x + 2.
1 day ago · UTF-8. UTF-8 is a variable-length character encoding standard used for electronic communication. Defined by the Unicode Standard, the name is derived from Unicode Transformation Format – 8-bit. [1] UTF-8 is capable of encoding all 1,112,064 [a] valid Unicode code points using one to four one- byte (8-bit) code units.
1 day ago · Elo's central assumption was that the chess performance of each player in each game is a normally distributed random variable. Although a player might perform significantly better or worse from one game to the next, Elo assumed that the mean value of the performances of any given player changes only slowly over time.
1 day ago · An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...
5 hours ago · Democracy (from Ancient Greek: δημοκρατία, romanized : dēmokratía, dēmos 'people' and kratos 'rule') [1] is a system of government in which state power is vested in the people or the general population of a state. [2] Under a minimalist definition of democracy, rulers are elected through competitive elections while more expansive ...
