Package adams.core

Class RDataHelper

java.lang.Object

adams.core.RDataHelper

public class RDataHelper
extends Object

Helper class for R-related stuff.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

Constructor Summary

Constructors

Constructor	Description
RDataHelper()

Method Summary

Modifier and Type	Method	Description
static adams.data.spreadsheet.SpreadSheet	dataframeToSpreadsheet(org.rosuda.REngine.REXP dframe)	Converts the R dataframe into a spreadsheet.
static adams.data.spreadsheet.SpreadSheet	dataframeToSpreadsheet(org.rosuda.REngine.REXP dframe, String[] columns)	Converts the R dataframe into a spreadsheet.
protected static String	listToString(org.rosuda.REngine.RList list)	Turns an RList into a string.
static String	objectToString(Object obj)	Turns an R object into a string.
static org.rosuda.REngine.REXP	spreadsheetToDataframe(adams.data.spreadsheet.SpreadSheet sheet)	Turns a spreadsheet into an R dataframe.

Methods inherited from class java.lang.Object

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

Constructor Detail

RDataHelper

public RDataHelper()

Method Detail

spreadsheetToDataframe

public static org.rosuda.REngine.REXP spreadsheetToDataframe(adams.data.spreadsheet.SpreadSheet sheet)
                                                      throws org.rosuda.REngine.REXPMismatchException

Turns a spreadsheet into an R dataframe.

Parameters:

sheet - the sheet to convert

Returns:

the dataframe object

Throws:

org.rosuda.REngine.REXPMismatchException

dataframeToSpreadsheet

public static adams.data.spreadsheet.SpreadSheet dataframeToSpreadsheet(org.rosuda.REngine.REXP dframe)
                                                                 throws org.rosuda.REngine.REXPMismatchException

Converts the R dataframe into a spreadsheet.

Parameters:

dframe - the dataframe to convert

Returns:

the generated spreadsheet

Throws:

org.rosuda.REngine.REXPMismatchException

dataframeToSpreadsheet

public static adams.data.spreadsheet.SpreadSheet dataframeToSpreadsheet(org.rosuda.REngine.REXP dframe,
                                                                        String[] columns)
                                                                 throws org.rosuda.REngine.REXPMismatchException

Converts the R dataframe into a spreadsheet.

Parameters:

dframe - the dataframe to convert

columns - the list of columns to retrieve, null to retrieve all

Returns:

the generated spreadsheet

Throws:

org.rosuda.REngine.REXPMismatchException

listToString

protected static String listToString(org.rosuda.REngine.RList list)

Turns an RList into a string.

Parameters:

list - the list to convert

Returns:

the generated string

objectToString

public static String objectToString(Object obj)

Turns an R object into a string.

Parameters:

obj - the object to turn into a string

Returns:

the generated string