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<pre>public class <span class="typeNameLabel">ArrayOfDoublesSketchToEstimateAndErrorBounds</span>
extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</pre>
<div class="block">This is a User Defined Function (UDF) for obtaining the unique count estimate
 along with a lower and upper bound from an ArrayOfDoublesSketch.

 <p>The result is a tuple with three double values: estimate, lower bound and upper bound.
 The bounds are given at 95.5% confidence.</div>
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