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  2. Here's why being lazy can be a good thing, according to science

    www.aol.com/lifestyle/heres-why-being-lazy-good...

    Here’s what science has to say about the psychological benefits of ditching structure and focus in lieu of laziness — at least once in a while. 1. Letting your mind wander boosts creativity. A ...

  3. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [23]

  4. Notation in probability and statistics - Wikipedia

    en.wikipedia.org/wiki/Notation_in_probability...

    Random variables are usually written in upper case Roman letters, such as or and so on. Random variables, in this context, usually refer to something in words, such as "the height of a subject" for a continuous variable, or "the number of cars in the school car park" for a discrete variable, or "the colour of the next bicycle" for a categorical variable.

  5. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    ARC – Nintendo U8 Archive (mostly Yaz0 compressed) ARJ – ARJ compressed file. ASS, SSA – ASS (also SSA): a subtitles file created by Aegisub, a video typesetting application (also a Halo game engine file) B – (B file) Similar to .a, but less compressed. BA – BA: Scifer Archive (.ba), Scifer External Archive Type.

  6. What vitamins should you take? Why experts say some ... - AOL

    www.aol.com/vitamins-why-experts-answers-big...

    Certain vitamins, like fat-soluble vitamins A, D, E, K, minerals like iron, and electrolytes like potassium and calcium, should not be taken regularly without consulting a dietitian or doctor due ...

  7. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  8. Have I Done Any Good? - Wikipedia

    en.wikipedia.org/wiki/Have_I_Done_Any_Good?

    "Have I Done Any Good?" is a Mormon hymn, number 223 in Hymns of the Church of Jesus Christ of Latter-day Saints. The hymnal (text) was matched to the music for a popular tune "East Liverpool". It has been called "introspective" in tone, and a "popular hymn" that can be used to inspire discussion about the effectiveness of Mormon missions.

  9. Bootstrapping (statistics) - Wikipedia

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

    Given an r-sample statistic, one can create an n-sample statistic by something similar to bootstrapping (taking the average of the statistic over all subsamples of size r). This procedure is known to have certain good properties and the result is a U-statistic. The sample mean and sample variance are of this form, for r = 1 and r = 2.