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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    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. [24] A COS tree file consists primarily of objects, of which there are nine types: [17] Boolean values, representing true or false; Real numbers ...

  3. Research design - Wikipedia

    en.wikipedia.org/wiki/Research_design

    A research design typically outlines the theories and models underlying a project; the research question(s) of a project; a strategy for gathering data and information; and a strategy for producing answers from the data. [1] A strong research design yields valid answers to research questions while weak designs yield unreliable, imprecise or ...

  4. Form and document creation - Wikipedia

    en.wikipedia.org/wiki/Form_and_Document_Creation

    In order to design a form or document, the writer should understand and evaluate the different constraints in the rhetorical situation; this is called functional analysis. [12] One of the biggest components in analyzing a form or document is to determine the communicative purpose of the form or document. [12]

  5. Comparison of document markup languages - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_document...

    Major purpose Based on Markup type Structural markup Presentational markup [4] Open format; AsciiDoc: Multi-purpose Tag Yes Yes Yes Computable Document Format: Interactive technical documents, infographics, blogs [5] Wolfram Language: Tag Yes Yes No Darwin Information Typing Architecture (DITA) Technical documents XML: Tag Yes Yes [6] Yes DocBook

  6. Design of experiments - Wikipedia

    en.wikipedia.org/wiki/Design_of_experiments

    The use of a sequence of experiments, where the design of each may depend on the results of previous experiments, including the possible decision to stop experimenting, is within the scope of sequential analysis, a field that was pioneered [13] by Abraham Wald in the context of sequential tests of statistical hypotheses. [14]

  7. Analytic and enumerative statistical studies - Wikipedia

    en.wikipedia.org/wiki/Analytic_and_enumerative...

    Although analytical studies need to take into account the uncertainty due to sampling, as in enumerative studies, the attributes of the study design and analysis of the data primarily deal with the uncertainty resulting from extrapolation to the future (generalisation to the conditions in future time periods).

  8. Machine-readable document - Wikipedia

    en.wikipedia.org/wiki/Machine-readable_document

    The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of the presentation of the document, including the text, fonts, graphics, and other information needed to display it.

  9. Research proposal - Wikipedia

    en.wikipedia.org/wiki/Research_proposal

    A research proposal is a document proposing a research project, generally in the sciences or academia, and generally constitutes a request for sponsorship of that research. [1] Proposals are evaluated on the cost and potential impact of the proposed research, and on the soundness of the proposed plan for carrying it out. [ 2 ]