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21 lines
433 B
JavaScript
21 lines
433 B
JavaScript
/**
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* Average the values in a data set.
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* @name average()
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* @author [Allan Jardine](http://sprymedia.co.uk)
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* @requires DataTables 1.10+
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*
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* @example
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* table.column( 3 ).data().average();
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*/
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jQuery.fn.dataTable.Api.register( 'average()', function () {
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var i=0;
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var sum = this.flatten().reduce( function ( a, b ) {
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i++;
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return (a*1) + (b*1); // cast values in-case they are strings
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} );
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return sum / i;
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} );
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