org.omegahat.DataStructures.Data
Interface DataFrameInt

All Superinterfaces:

Activable, BasicFrameInt, Database

All Known Implementing Classes:

DataFrame

public interface DataFrameInt

extends BasicFrameInt

Fields inherited from interface org.omegahat.Environment.Databases.Database

ALL, ASSIGN, ATTACH, DETACH, NULL_ENTRY, READ, READ_WRITE, REMOVE

Fields inherited from interface org.omegahat.Environment.Databases.Activable

ACTIVE, INACTIVE

Method Summary

java.util.Hashtable	metaData()
BasicFrameInt	subsetObservations(int[] whichRows) Create a new data frame consisting of the rows identified in the array passed to this method.
BasicFrameInt	subsetObservations(int start, int which) Get the subset of the data frame of the continguous rows starting at start and ending at which, inclusive.

Methods inherited from interface org.omegahat.DataStructures.Data.BasicFrameInt

addVariable, getVariable, getVariableNames, numObservations, numVariables, rowName, rowNames, rowNames

Methods inherited from interface org.omegahat.Environment.Databases.Database

assign, attach, clear, detach, exists, get, getName, objects, remove, setName, size

Methods inherited from interface org.omegahat.Environment.Databases.Activable

getState, setState

Method Detail

subsetObservations

public BasicFrameInt subsetObservations(int[] whichRows)

Create a new data frame consisting of the rows identified in the array passed to this method.

subsetObservations

public BasicFrameInt subsetObservations(int start,
                                        int which)

Get the subset of the data frame of the continguous rows starting at start and ending at which, inclusive.

metaData

public java.util.Hashtable metaData()