Package org.opennms.netmgt.measurements.filters.impl

Class HWForecast

java.lang.Object

org.opennms.netmgt.measurements.filters.impl.HWForecast

All Implemented Interfaces:

Filter

public class HWForecast
extends java.lang.Object
implements Filter

Performs Holt-Winters forecasting on a given column of the data source with R.

Author:

jwhite

Field Summary

Fields inherited from interface org.opennms.netmgt.measurements.api.Filter

TIMESTAMP_COLUMN_NAME

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HWForecast()
	HWForecast(java.lang.String outputPrefix, java.lang.String inputColumn, int numPeriodsToForecast, long periodInSeconds, double confidenceLevel)

Method Summary

Modifier and Type	Method	Description
static void	checkForecastSupport()
void	filter(com.google.common.collect.RowSortedTable<java.lang.Long,java.lang.String,java.lang.Double> table)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HWForecast

protected HWForecast()

HWForecast

public HWForecast(java.lang.String outputPrefix,
                  java.lang.String inputColumn,
                  int numPeriodsToForecast,
                  long periodInSeconds,
                  double confidenceLevel)

Method Detail

filter

public void filter(com.google.common.collect.RowSortedTable<java.lang.Long,java.lang.String,java.lang.Double> table)
            throws RScriptException

Specified by:

filter in interface Filter

Throws:

RScriptException

checkForecastSupport

public static void checkForecastSupport()
                                 throws RScriptException

Throws:

RScriptException