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  2. Count-distinct problem - Wikipedia

    en.wikipedia.org/wiki/Count-distinct_problem

    Thus, the existence of duplicates does not affect the value of the extreme order statistics. There are other estimation techniques other than min/max sketches. The first paper on count-distinct estimation [7] describes the Flajolet–Martin algorithm, a bit pattern sketch. In this case, the elements are hashed into a bit vector and the sketch ...

  3. Wikipedia : Lists of common misspellings/Repetitions

    en.wikipedia.org/wiki/Wikipedia:Lists_of_common...

    The following is a list of the 172 most common word duplicates (number after word is count of occurrences) extracted from a search of all English Wikipedia articles existing on 21 February 2006. Most punctuation was automatically removed and so the count is unlikely to be 100% accurate.

  4. List of sums of reciprocals - Wikipedia

    en.wikipedia.org/wiki/List_of_sums_of_reciprocals

    The sum of the reciprocals of the square numbers (the Basel problem) is the transcendental number ⁠ π 2 / 6 ⁠, or ζ(2) where ζ is the Riemann zeta function. The sum of the reciprocals of the cubes of positive integers is called Apéry's constant ζ (3) , and equals approximately 1.2021 .

  5. AutoNumber - Wikipedia

    en.wikipedia.org/wiki/AutoNumber

    AutoNumber is a type of data used in Microsoft Access tables to generate an automatically incremented numeric counter. It may be used to create an identity column which uniquely identifies each record of a table.

  6. Help:Displaying a formula - Wikipedia

    en.wikipedia.org/wiki/Help:Displaying_a_formula

    Spaces within a formula must be directly managed (for example by including explicit hair or thin spaces). Variable names must be italicized explicitly, and superscripts and subscripts must use an explicit tag or template. Except for short formulas, the source of a formula typically has more markup overhead and can be difficult to read.

  7. Fix problems sending AOL Mail - AOL Help

    help.aol.com/articles/aol-mail-troubleshooting

    Enable Rich Text/HTML: If your Mail settings don't have Rich Text or HTML enabled, you could have problems with viewing images in forwarded emails. These settings can be enabled from the Mail Settings page. Send image as an attachment:

  8. Dementia Doctors Share The Changes They Would Make Today For ...

    www.aol.com/dementia-doctors-share-changes-today...

    The same study found that people who reported monthly or weekly interactions with family and friends were associated with slower memory decline and that those with higher feelings of loneliness ...

  9. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The table shown on the right can be used in a two-sample t-test to estimate the sample sizes of an experimental group and a control group that are of equal size, that is, the total number of individuals in the trial is twice that of the number given, and the desired significance level is 0.05. [4] The parameters used are: