| Interface | Description | 
|---|---|
| Estimator.QualityControl<Y> | 
 Given a confidence interval for the calculated value, determine whether
 this is good enough or we need to sample more data. 
 | 
| Estimator.RandomSample | 
 An interface implemented by the user to provide a source of values to
 be used in the estimate 
 | 
| Estimator.UserFunction<Y> | 
 An interface implemented by the user to provide a calculated value given
 an estimate for the random variable X. 
 | 
| Class | Description | 
|---|---|
| Estimator<Y> | 
 Estimates a given value by taking a random sample from sample space until
 the confidence interval of the calculated value is acceptable 
 | 
| Estimator.Range<Y> | 
 Stores a range of calculated values 
 | 
| OperationsParams | 
 A class that encapsulates all parameters sent for an operations implemented
 in SpatialHadoop. 
 | 
| RandomSpatialGenerator | 
 Generates a random file of rectangles or points based on some user
 parameters 
 | 
| ReadFile | 
 Reads spatial information associated with a file 
 | 
| TigerShape | 
 A shape from tiger file. 
 | 
| Enum | Description | 
|---|---|
| OperationsParams.Direction | 
 Data type for the direction of skyline to compute 
 |