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  2. Missing data - Wikipedia

    en.wikipedia.org/wiki/Missing_data

    The expectation-maximization algorithm is an approach in which values of the statistics which would be computed if a complete dataset were available are estimated (imputed), taking into account the pattern of missing data. In this approach, values for individual missing data-items are not usually imputed.

  3. List of data references for chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_data_references...

    List of chemical elements — with basic properties like standard atomic weight, m.p., b.p., abundance; Abundance of the chemical elements; Abundances of the elements (data page) — Earth's crust, sea water, Sun and Solar System; Abundance of elements in Earth's crust

  4. Template:List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Template:List_of_chemical...

    Template: List of chemical elements. 2 languages. ... Use of {{val}} is necessary to make the value(s) sort correctly in the column. Footnotes

  5. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

  6. Trump's Treasury pick, tariffs, and retail therapy: 3 themes ...

    www.aol.com/finance/trumps-treasury-pick-tariffs...

    Still, Trump's nomination of Scott Bessent to the top Treasury post raised hopes that tariffs will be more measured. And with only 21 trading days left in the year, analysts, investors, and market ...

  7. 'Somebody has to find out': Trump says RFK Jr. will look at ...

    www.aol.com/trump-says-rfk-jr-may-182841717.html

    ''Vaccines are incredible, but maybe some aren’t,” Trump said on 'Meet the Press'. “And if they aren’t, we have to find out.”

  8. CCTV appeal after taxi driver threatened with knife - AOL

    www.aol.com/cctv-appeal-taxi-driver-threatened...

    It happened after two passengers argued with a taxi driver about a fare, police say.

  9. List of data structures - Wikipedia

    en.wikipedia.org/wiki/List_of_data_structures

    "Ordered" means that the elements of the data type have some kind of explicit order to them, where an element can be considered "before" or "after" another element. This order is usually determined by the order in which the elements are added to the structure, but the elements can be rearranged in some contexts, such as sorting a list. For a ...