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mrsoft.util
Class MRData  

java.lang.Object
  mrsoft.util.MRData

All Implemented Interfaces:

java.lang.Cloneable

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public class MRData

extends java.lang.Object

implements java.lang.Cloneable

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Field Summary
(package private)  int	cols
(package private)  double[][]	data
(package private)  boolean[][]	dl
(package private)  boolean	loaded
(package private)  boolean[][]	missing
(package private)  double	missing_val
(package private)  java.text.NumberFormat	nf
(package private)  int	rows
(package private)  boolean	transposed
java.lang.String[]	varnames

 

Constructor Summary

MRData()

 

Method Summary
void	convertDetectionLimits(double weight)           Finds all values below detection limit (negative values) and converts them to positive values weight times detection limit
MRData	getClone()
double	getMissingValue()           Returns the value that indicates a value is unreported
double[]	getStackArray()           Returns a single subscripted array with the elements of the data array stacked as [i*cols+j], with i being the row and j the column and cols is the number of columns in the set
java.lang.String	getVarname(int col)           Returns the (default?) variable name of a column
boolean	isMissing(int row, int col)           Returns true if the value at row, col is unreported
boolean	isTransposed()           Returns whther the data is stored in transposed form as array[col][row]
void	lastRecordLoaded(int row)           Hook into the loading procedure, called when the last record has been loaded.
void	load(java.lang.String file)           Loads data from a file
void	loadDBF(java.lang.String file)           Loads data from a file in dbf format version III or IV.
void	loadResultSet(java.sql.ResultSet results)           Loads the numeric columns in a resultset
int	ncols()           Returns number of columns
int	nrows()           Returns number of rows
void	recordLoaded(int row)           Hook into the loading procedure, called when a new record has been loaded.
void	rescale(int j)           Rescales column j to the range 0 to 1
void	rescaleAll()           Rescales all the columns to the range 0 to 1
boolean	save(java.lang.String file)           Saves the data to a tab-delimited file with the variable names on the first line.
void	setMissingValue(double value)           Sets the value that indicates a value is unreported
void	transpose()           swaps rows-columns

 

Methods inherited from class java.lang.Object

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

 

Field Detail

loaded

boolean loaded

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data

double[][] data

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dl

boolean[][] dl

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missing

boolean[][] missing

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varnames

public java.lang.String[] varnames

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transposed

boolean transposed

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rows

int rows

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cols

int cols

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missing_val

double missing_val

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nf

java.text.NumberFormat nf

Constructor Detail

MRData

public MRData()

Method Detail

ncols

public int ncols()

Returns number of columns

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nrows

public int nrows()

Returns number of rows

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getVarname

public java.lang.String getVarname(int col)

Returns the (default?) variable name of a column

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setMissingValue

public void setMissingValue(double value)

Sets the value that indicates a value is unreported

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getMissingValue

public double getMissingValue()

Returns the value that indicates a value is unreported

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isMissing

public boolean isMissing(int row,
                         int col)

Returns true if the value at row, col is unreported

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isTransposed

public boolean isTransposed()

Returns whther the data is stored in transposed form as array[col][row]

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load

public void load(java.lang.String file)

Loads data from a file

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loadDBF

public void loadDBF(java.lang.String file)

Loads data from a file in dbf format version III or IV. Uses package xbase.

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loadResultSet

public void loadResultSet(java.sql.ResultSet results)
                   throws java.sql.SQLException

Loads the numeric columns in a resultset

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recordLoaded

public void recordLoaded(int row)

Hook into the loading procedure, called when a new record has been loaded. Writes to standard out by default.

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lastRecordLoaded

public void lastRecordLoaded(int row)

Hook into the loading procedure, called when the last record has been loaded. Writes to standard out by default.

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transpose

public void transpose()

swaps rows-columns

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convertDetectionLimits

public void convertDetectionLimits(double weight)

Finds all values below detection limit (negative values) and converts them to positive values weight times detection limit

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getClone

public MRData getClone()

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getStackArray

public double[] getStackArray()

Returns a single subscripted array with the elements of the data array stacked as [i*cols+j], with i being the row and j the column and cols is the number of columns in the set

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save

public boolean save(java.lang.String file)

Saves the data to a tab-delimited file with the variable names on the first line.

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rescaleAll

public void rescaleAll()

Rescales all the columns to the range 0 to 1

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rescale

public void rescale(int j)

Rescales column j to the range 0 to 1

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> mrsoft >> [ util overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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