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  2. Prediction by partial matching - Wikipedia

    en.wikipedia.org/wiki/Prediction_by_partial_matching

    Prediction by partial matching (PPM) is an adaptive statistical data compression technique based on context modeling and prediction. PPM models use a set of previous symbols in the uncompressed symbol stream to predict the next symbol in the stream. PPM algorithms can also be used to cluster data into predicted groupings in cluster analysis.

  3. Indian National Mathematical Olympiad - Wikipedia

    en.wikipedia.org/wiki/Indian_National...

    The Indian Olympiad Qualifier in Mathematics (IOQM) is a national exam for students in grades 8-12. It's used to shortlist students for HBCSE's Mathematical Olympiad program. Students must be under 20 years old by June 30 of the IMO year and cannot have passed Class 12.

  4. Predictive modelling - Wikipedia

    en.wikipedia.org/wiki/Predictive_modelling

    The first clinical prediction model reporting guidelines were published in 2015 (Transparent reporting of a multivariable prediction model for individual prognosis or diagnosis (TRIPOD)), and have since been updated. [10] Predictive modelling has been used to estimate surgery duration.

  5. List of countries by medal count at International ...

    en.wikipedia.org/wiki/List_of_countries_by_medal...

    Gold in Last 10 contests (updated till 2024) 1 China: 185 37 6 0 51 2 United States [2] 151 120 30 1 46 3 Russia: 106 62 12 0 19 4 South Korea: 95 83 28 7 38 5 Hungary: 88 174 116 10 10 6 Romania: 86 158 111 7 12 7 Soviet Union A: 77 67 45 0 - 8 Vietnam: 69 117 85 3 17 9 Bulgaria: 57 130 121 15 4 10 United Kingdom: 56 124 131 18 15 11 Germany ...

  6. Jule Gregory Charney - Wikipedia

    en.wikipedia.org/wiki/Jule_Gregory_Charney

    Jule Gregory Charney (January 1, 1917 – June 16, 1981) was an American meteorologist who played an important role in developing numerical weather prediction and increasing understanding of the general circulation of the atmosphere by devising a series of increasingly sophisticated mathematical models of the atmosphere.

  7. International Mathematical Olympiad - Wikipedia

    en.wikipedia.org/wiki/International_Mathematical...

    The content ranges from extremely difficult algebra and pre-calculus problems to problems in branches of mathematics not conventionally covered in secondary or high school and often not at university level either, such as projective and complex geometry, functional equations, combinatorics, and well-grounded number theory, of which extensive knowledge of theorems is required.

  8. Predictive coding - Wikipedia

    en.wikipedia.org/wiki/Predictive_coding

    A comparison between predictions and sensory input yields a difference measure (e.g. prediction error, free energy, or surprise) which, if it is sufficiently large beyond the levels of expected statistical noise, will cause the internal model to update so that it better predicts sensory input in the future.

  9. Jaccard index - Wikipedia

    en.wikipedia.org/wiki/Jaccard_index

    In that paper, a "similarity ratio" is given over bitmaps, where each bit of a fixed-size array represents the presence or absence of a characteristic in the plant being modelled. The definition of the ratio is the number of common bits, divided by the number of bits set ( i.e. nonzero) in either sample.