function getCoefs() {
		var ret;
		var i;

		ret = new Array( _weights.nWeights );
		for ( i = 0; i < ret.length; i++ ) {
			ret[ i ] = _weights._data[ i ] * _weights.scale;
		}
		return ret;
	}
Model coefficients / feature weights.

@private
@name coefs
@type {Array}

@example
// Retrieve coefficients:
var coefs = accumulator.coefs;