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  2. Positive and negative predictive values - Wikipedia

    en.wikipedia.org/wiki/Positive_and_negative...

    The positive predictive value (PPV), or precision, is defined as = + = where a "true positive" is the event that the test makes a positive prediction, and the subject has a positive result under the gold standard, and a "false positive" is the event that the test makes a positive prediction, and the subject has a negative result under the gold standard.

  3. Pay-per-view - Wikipedia

    en.wikipedia.org/wiki/Pay-per-view

    Pay-per-view (PPV) is a type of pay television or webcast service that enables a viewer to pay to watch individual events via private telecast. Events can be purchased through a multichannel television platform using their electronic program guide , an automated telephone system, or through a live customer service representative .

  4. List of business and finance abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_business_and...

    For example, $225K would be understood to mean $225,000, and $3.6K would be understood to mean $3,600. Multiple K's are not commonly used to represent larger numbers. In other words, it would look odd to use $1.2KK to represent $1,200,000. Ke – Is used as an abbreviation for Cost of Equity (COE).

  5. Precision and recall - Wikipedia

    en.wikipedia.org/wiki/Precision_and_recall

    In a classification task, the precision for a class is the number of true positives (i.e. the number of items correctly labelled as belonging to the positive class) divided by the total number of elements labelled as belonging to the positive class (i.e. the sum of true positives and false positives, which are items incorrectly labelled as belonging to the class).

  6. Earnings before interest, taxes, depreciation and amortization

    en.wikipedia.org/wiki/Earnings_before_interest...

    A company's earnings before interest, taxes, depreciation, and amortization (commonly abbreviated EBITDA, [1] pronounced / ˈ iː b ɪ t d ɑː,-b ə-, ˈ ɛ-/ [2]) is a measure of a company's profitability of the operating business only, thus before any effects of indebtedness, state-mandated payments, and costs required to maintain its asset base.

  7. Bayes' theorem - Wikipedia

    en.wikipedia.org/wiki/Bayes'_theorem

    The Positive predictive value (PPV) of a test is the proportion of persons who are actually positive out of all those testing positive, and can be calculated from a sample as: PPV = True positive / Tested positive. If sensitivity, specificity, and prevalence are known, PPV can be calculated using Bayes' theorem.

  8. Accounting - Wikipedia

    en.wikipedia.org/wiki/Accounting

    Accounting, also known as accountancy, is the process of recording and processing information about economic entities, such as businesses and corporations. [1] [2] Accounting measures the results of an organization's economic activities and conveys this information to a variety of stakeholders, including investors, creditors, management, and regulators. [3]

  9. Generally Accepted Accounting Principles (United States)

    en.wikipedia.org/wiki/Generally_Accepted...

    Generally Accepted Accounting Principles (GAAP) [a] is the accounting standard adopted by the U.S. Securities and Exchange Commission (SEC), [1] and is the default accounting standard used by companies based in the United States.