adams.core
Class RDataHelper

java.lang.Object
  adams.core.RDataHelper

public class RDataHelper
extends Object

Helper class for R-related stuff.

Version:

$Revision: 6626 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

Constructor Summary

RDataHelper()

Method Summary

static SpreadSheet	dataframeToSpreadsheet(org.rosuda.REngine.REXP dframe) Converts the R dataframe into a spreadsheet.
static 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(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(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 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 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