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    @stdlib/datasets-herndon-venus-semidiameters
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    0.0.9 • Public • Published

    Venus Semidiameters

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    Fifteen observations of the vertical semidiameter of Venus, made by Lieutenant Herndon, with the meridian circle at Washington, in the year 1846.

    Herndon's observations are a classic dataset commonly used in examples demonstrating outlier detection.

    Installation

    npm install @stdlib/datasets-herndon-venus-semidiameters

    Usage

    var data = require( '@stdlib/datasets-herndon-venus-semidiameters' );

    data()

    Returns fifteen observations of the vertical semidiameter of Venus, made by Lieutenant Herndon, with the meridian circle at Washington, in the year 1846.

    var d = data();
    // returns [ -0.30, -0.44, ..., 0.39, 0.10 ]

    Examples

    var incrgrubbs = require( '@stdlib/stats-incr-grubbs' );
    var data = require( '@stdlib/datasets-herndon-venus-semidiameters' );
    
    var opts;
    var acc;
    var d;
    var i;
    
    // Get the data:
    d = data();
    
    // Create a new accumulator for detecting an outlier using Grubbs' test:
    opts = {
        'init': d.length
    };
    acc = incrgrubbs( opts );
    
    // Update the accumulator...
    for ( i = 0; i < d.length; i++ ) {
        acc( d[ i ] );
    }
    
    // Print the test results:
    console.log( acc().print() );

    CLI

    Installation

    To use the module as a general utility, install the module globally

    npm install -g @stdlib/datasets-herndon-venus-semidiameters

    Usage

    Usage: herndon-venus-semidiameters [options]
    
    Options:
    
      -h,    --help                Print this message.
      -V,    --version             Print the package version.
    

    Notes

    • Data is written to stdout as newline-delimited data.

    Examples

    $ herndon-venus-semidiameters
    -0.30
    -0.44
    1.01
    0.48
    -0.24
    0.06
    0.63
    -0.13
    -1.40
    -0.22
    -0.05
    0.20
    0.18
    0.39
    0.10

    References

    • Chauvenet, William. 1868. A Manual of Spherical and Practical Astronomy. 5th ed. Vol. 5. London, England: Trübner & Co.
    • Grubbs, Frank E. 1950. "Sample Criteria for Testing Outlying Observations." The Annals of Mathematical Statistics 21 (1). The Institute of Mathematical Statistics: 27–58. doi:10.1214/aoms/1177729885.
    • Grubbs, Frank E. 1969. "Procedures for Detecting Outlying Observations in Samples." Technometrics 11 (1). Taylor & Francis: 1–21. doi:10.1080/00401706.1969.10490657.
    • Tietjen, Gary L., and Roger H. Moore. 1972. "Some Grubbs-Type Statistics for the Detection of Several Outliers." Technometrics 14 (3). Taylor & Francis: 583–97. doi:10.1080/00401706.1972.10488948.

    License

    The data files (databases) are licensed under an Open Data Commons Public Domain Dedication & License 1.0 and their contents are licensed under Creative Commons Zero v1.0 Universal. The software is licensed under Apache License, Version 2.0.


    Notice

    This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

    For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

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    Copyright

    Copyright © 2016-2022. The Stdlib Authors.

    Install

    npm i @stdlib/datasets-herndon-venus-semidiameters

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    0.0.9

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