com.rapidminer.operator.io
Class CSVExampleSource

java.lang.Object
  com.rapidminer.operator.Operator
      com.rapidminer.operator.io.AbstractReader<ExampleSet>
          com.rapidminer.operator.io.AbstractExampleSource
              com.rapidminer.operator.io.SimpleExampleSource
                  com.rapidminer.operator.io.CSVExampleSource

All Implemented Interfaces:

ConfigurationListener, PreviewListener, ParameterHandler, LoggingHandler

public class CSVExampleSource
extends SimpleExampleSource

This operator can read csv files. All values must be separated by "," or by ";", followed by an arbitrary amount of white space. This means that also only the separator characters are allowed. The first line is used for the attribute names as default. Empty values and the question mark will be read as missing values. You can quote the values (including the column separators) with a double quote ("). You can escape the quoting character with a backslash, i.e. \".

For other file formats or column separators you can use in almost all cases the operator SimpleExampleSource or, if this is not sufficient, the operator ExampleSource.

Author:

Ingo Mierswa

Keywords:

csv

Field Summary

Fields inherited from class com.rapidminer.operator.io.SimpleExampleSource

PARAMETER_COLUMN_SEPARATORS, PARAMETER_COMMENT_CHARS, PARAMETER_DATAMANAGEMENT, PARAMETER_DECIMAL_POINT_CHARACTER, PARAMETER_FILENAME, PARAMETER_ID_COLUMN, PARAMETER_ID_NAME, PARAMETER_LABEL_COLUMN, PARAMETER_LABEL_NAME, PARAMETER_READ_ATTRIBUTE_NAMES, PARAMETER_SAMPLE_RATIO, PARAMETER_SAMPLE_SIZE, PARAMETER_SKIP_ERROR_LINES, PARAMETER_TRIM_LINES, PARAMETER_USE_COMMENT_CHARACTERS, PARAMETER_USE_QUOTES, PARAMETER_WEIGHT_COLUMN, PARAMETER_WEIGHT_NAME

Constructor Summary

CSVExampleSource(OperatorDescription description)

Method Summary

java.util.List<ParameterType>

getParameterTypes() Returns a list of ParameterTypes describing the parameters of this operator.

Methods inherited from class com.rapidminer.operator.io.SimpleExampleSource

createExampleSet

Methods inherited from class com.rapidminer.operator.io.AbstractExampleSource

read

Methods inherited from class com.rapidminer.operator.io.AbstractReader

apply, getInputClasses, getOutputClasses

Methods inherited from class com.rapidminer.operator.Operator

addError, addValue, addWarning, apply, checkDeprecations, checkForStop, checkIO, checkProperties, clearErrorList, cloneOperator, createExperimentTree, createExperimentTree, createFromXML, createMarkedExperimentTree, createMarkedProcessTree, createProcessTree, createProcessTree, getAddOnlyAdditionalOutput, getApplyCount, getDeliveredOutputClasses, getDeprecationInfo, getDesiredInputClasses, getEncoding, getErrorList, getExperiment, getInnerOperatorsXML, getInput, getInput, getInput, getInputDescription, getIOContainerForInApplyLoopBreakpoint, getIODescription, getLog, getName, getOperatorClassName, getOperatorDescription, getParameter, getParameterAsBoolean, getParameterAsColor, getParameterAsDouble, getParameterAsFile, getParameterAsFile, getParameterAsInputStream, getParameterAsInt, getParameterAsMatrix, getParameterAsString, getParameterList, getParameters, getParameterType, getParent, getProcess, getStartTime, getStatus, getUserDescription, getValue, getValues, getXML, hasBreakpoint, hasBreakpoint, hasInput, inApplyLoop, isDebugMode, isEnabled, isExpanded, isParallel, isParameterSet, log, logError, logNote, logWarning, performAdditionalChecks, processFinished, processStarts, register, registerOperator, remove, rename, resume, setApplyCount, setBreakpoint, setEnabled, setExpanded, setInput, setListParameter, setOperatorParameters, setParameter, setParameters, setParent, setUserDescription, toString, unregisterOperator, writeXML

Methods inherited from class java.lang.Object

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

Constructor Detail

CSVExampleSource

public CSVExampleSource(OperatorDescription description)

Method Detail

getParameterTypes

public java.util.List<ParameterType> getParameterTypes()

Description copied from class: Operator

Returns a list of ParameterTypes describing the parameters of this operator. The default implementation returns an empty list if no input objects can be retained and special parameters for those input objects which can be prevented from being consumed.

Specified by:

getParameterTypes in interface ParameterHandler

Overrides:

getParameterTypes in class SimpleExampleSource