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  2. Frequency (statistics) - Wikipedia

    en.wikipedia.org/wiki/Frequency_(statistics)

    A frequency distribution shows a summarized grouping of data divided into mutually exclusive classes and the number of occurrences in a class. It is a way of showing unorganized data notably to show results of an election, income of people for a certain region, sales of a product within a certain period, student loan amounts of graduates, etc.

  3. Grouped data - Wikipedia

    en.wikipedia.org/wiki/Grouped_data

    The above data can be grouped in order to construct a frequency distribution in any of several ways. One method is to use intervals as a basis. The smallest value in the above data is 8 and the largest is 34. The interval from 8 to 34 is broken up into smaller subintervals (called class intervals). For each class interval, the number of data ...

  4. List of set classes - Wikipedia

    en.wikipedia.org/wiki/List_of_set_classes

    This is a list of set classes, by Forte number. [1] A set class (an abbreviation of pitch-class-set class) in music theory is an ascending collection of pitch classes, transposed to begin at zero. For a list of ordered collections, see: list of tone rows and series. Sets are listed with links to their complements. The prime form of ...

  5. Missing fundamental - Wikipedia

    en.wikipedia.org/wiki/Missing_fundamental

    The bottom waveform is missing the fundamental frequency, 100 hertz, and the second harmonic, 200 hertz. The periodicity is nevertheless clear when compared to the full-spectrum waveform on top. The pitch being perceived with the first harmonic being absent in the waveform is called the missing fundamental phenomenon. [1]

  6. Count–min sketch - Wikipedia

    en.wikipedia.org/wiki/Count–min_sketch

    In computing, the count–min sketch (CM sketch) is a probabilistic data structure that serves as a frequency table of events in a stream of data.It uses hash functions to map events to frequencies, but unlike a hash table uses only sub-linear space, at the expense of overcounting some events due to collisions.

  7. Shirtless Man Pinned Flight Attendant Against ‘Aircraft Exit Door’ and Threatened Violence, Say Authorities

  8. Time–frequency analysis for music signals - Wikipedia

    en.wikipedia.org/wiki/Time–frequency_analysis...

    Figure 2 shows the time-frequency plot of the short-time Fourier transform (in particular, Gabor transform) results of the audio file. In this plot, horizontal lines with frequencies not greater than 230 Hz represent the fundamental frequencies while horizontal lines with frequencies above 230 Hz represent the harmonic components.

  9. Shutdown more and more likely: House rejects Trump-backed ...

    www.aol.com/shutdown-more-more-likely-house...

    The U.S. Capitol is seen at sunset on the eve of the first anniversary of the January 6, 2021 attack on the building, on Capitol Hill in Washington, U.S., January 5, 2022.