com.mockturtlesolutions.snifflib.stats

Class CumProd

java.lang.Object

com.mockturtlesolutions.snifflib.stats.CumProd

public class CumProd
extends java.lang.Object

Calculate cummulative product of one or more response variables in a DataSet. Separate cummulative products will be calculated for unique values of the "by-variables."

Constructor Summary

Constructors

Constructor and Description
CumProd(DataSet S)

Method Summary

Methods

Modifier and Type	Method and Description
void	addByVariable(java.lang.String varname) Each unique combination of by-variables will result in a subset of data over which calculations will be performed.
void	addResponseVariable(java.lang.String varname)
boolean	getIgnoreNaN()
DataSet	getN() Return the normalizing observation number for each reported mean.
DataSet	getResult() Return means.
void	removeByVariable(java.lang.String varname) Removes the variable as a "by-variable."
void	removeResponseVariable(java.lang.String varname) Removes the variable as a response variable.
void	run() The mean over each unique combination of the "by-variables".
void	setIgnoreNaN(boolean x)

Methods inherited from class java.lang.Object

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

Constructor Detail

CumProd

public CumProd(DataSet S)

Method Detail

setIgnoreNaN

public void setIgnoreNaN(boolean x)

getIgnoreNaN

public boolean getIgnoreNaN()

addByVariable

public void addByVariable(java.lang.String varname)

Each unique combination of by-variables will result in a subset of data over which calculations will be performed.

addResponseVariable

public void addResponseVariable(java.lang.String varname)

removeByVariable

public void removeByVariable(java.lang.String varname)

Removes the variable as a "by-variable."

removeResponseVariable

public void removeResponseVariable(java.lang.String varname)

Removes the variable as a response variable.

getN

public DataSet getN()

Return the normalizing observation number for each reported mean.

getResult

public DataSet getResult()

Return means.

run

public void run()

The mean over each unique combination of the "by-variables". A separate column is produced for each response variable and a separate row for each unique combination of the by-variables. While the by-variables may be numeric or categorical, the response variables must implement the