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  2. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    A CAGE code is a unique identifier to label an entity (that is, a specific government agency or corporation at a specific site) that is a CDA, ODA, or MFR of the part defined by the drawing. One corporation can have many CAGE codes, as can one government, because each division, department, and site (campus) can have its own CAGE code.

  3. Perceptual mapping - Wikipedia

    en.wikipedia.org/wiki/Perceptual_mapping

    Example of a multi-dimensional perceptual map. Traditional perceptual maps are built with two visual dimensions (X- and Y-axis). Multidimensional perceptual maps are built with more dimensions visualised as profile charts in small map regions, and then items are mapped to the regions by their similarity to the vectors that represent the region.

  4. Preference regression - Wikipedia

    en.wikipedia.org/wiki/Preference_regression

    Perceptual map of competing products with ideal vectors. Preference regression is a statistical technique used by marketers to determine consumers’ preferred core benefits. It usually supplements product positioning techniques like multi dimensional scaling or factor analysis and is used to create ideal vectors on perceptual maps.

  5. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    Generic Mapping Tools [16] Map generation and analysis Lamont–Doherty and University of Hawaii: GPL: Cross-platform: C: Implemented in OpendTect GPlates [17] Interactive visualization of plate tectonics University of Sydney, Caltech, NGU: GPL: Cross-platform: C++, Python: Implements GPML: OpenStereo [18] [19] Geoscience plotting tool

  6. Computer-aided design - Wikipedia

    en.wikipedia.org/wiki/Computer-aided_design

    A 2D CAD drawing A 3D CAD model Computer-aided design ( CAD ) is the use of computers (or workstations ) to aid in the creation, modification, analysis, or optimization of a design . [ 1 ] : 3 This software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to ...

  7. File:Visible spectrum 390-710 nm linear perceptual.svg ...

    en.wikipedia.org/wiki/File:Visible_spectrum_390...

    Gamut mapping : Spectrum gamut scaled down to fit into extended destination gamut (monochromatic primaries). White added ≈ + 0,409 RGB linear. White added ≈ + 0,409 RGB linear. Observer : CIE 2012 2° "physiologically-relevant" (0.1 nm)

  8. AutoCAD - Wikipedia

    en.wikipedia.org/wiki/AutoCAD

    A man using AutoCAD 2.6 to digitize a drawing of a school building. AutoCAD was derived from a program that began in 1977, and then released in 1979 [5] called Interact CAD, [6] [7] [8] also referred to in early Autodesk documents as MicroCAD, which was written prior to Autodesk's (then Marinchip Software Partners) formation by Autodesk cofounder Michael Riddle.

  9. Multidimensional scaling - Wikipedia

    en.wikipedia.org/wiki/Multidimensional_scaling

    Model selection tools like AIC, BIC, Bayes factors, or cross-validation can thus be useful to select the dimensionality that balances underfitting and overfitting. Mapping the results and defining the dimensions – The statistical program (or a related module) will map the results. The map will plot each product (usually in two-dimensional space).