Iris Versicolor Petal Width

Edgar Anderson's data for Iris versicolor petal width.

Installation

$ npm install datasets-iris-versicolor-petal-width

For use in the browser, use browserify.

Usage

var data = require( 'datasets-iris-versicolor-petal-width' );

data

Edgar Anderson's data for Iris versicolor petal width.

console.log( data );
// returns [ 1.4, 1.5, 1.5, ... ]

All values are in centimeters.

Examples

var mean = require( 'compute-mean' ),
	variance = require( 'compute-variance' ),
	data = require( 'datasets-iris-versicolor-petal-width' );

// Calculate the sample mean:
console.log( mean( data ) );

// Calculate the sample variance:
console.log( variance( data ) );

To run the example code from the top-level application directory,

$ node ./examples/index.js

References

• Anderson, Edgar (1935). "The irises of the Gaspe Peninsula," Bulletin of the American Iris Society, 59, 2–5.
• Fisher, Ronald A. (1936). "The use of multiple measurements in taxonomic problems." Annals of Eugenics, 7, Part II, 179–188.

See Also

• iris
• iris-versicolor
• iris-versicolor-petal

Tests

Unit

Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:

$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

$ make view-cov

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License

MIT license.

Copyright

Copyright © 2015. The Compute.io Authors.