public class Expression extends MexicanHat
-h Prints this help.
-o <file> The name of the output file, otherwise the generated data is printed to stdout.
-r <name> The name of the relation.
-d Whether to print debug informations.
-S The seed for random function (default 1)
-n <num> The number of examples to generate (default 100)
-A <num> The amplitude multiplier (default 1.0).
-R <num>..<num> The range x is randomly drawn from (default -10.0..10.0).
-N <num> The noise rate (default 0.0).
-V <num> The noise variance (default 1.0).
-E <expression> The expression to use for generating y out of x (default sin(abs(a1)) / abs(a1)).
AddExpression,
MexicanHat,
Serialized Form| Constructor and Description |
|---|
Expression()
initializes the generator
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| Modifier and Type | Method and Description |
|---|---|
java.lang.String |
amplitudeTipText()
Returns the tip text for this property
|
Instances |
defineDataFormat()
Initializes the format for the dataset produced.
|
java.lang.String |
expressionTipText()
Returns the tip text for this property
|
Instance |
generateExample()
Generates one example of the dataset.
|
Instances |
generateExamples()
Generates all examples of the dataset.
|
java.lang.String |
generateFinished()
Generates a comment string that documentats the data generator.
|
java.lang.String |
generateStart()
Generates a comment string that documentates the data generator.
|
java.lang.String |
getExpression()
Gets the mathematical expression for generating y out of x
|
java.lang.String[] |
getOptions()
Gets the current settings of the datagenerator BIRCHCluster.
|
java.lang.String |
getRevision()
Returns the revision string.
|
boolean |
getSingleModeFlag()
Return if single mode is set for the given data generator mode depends on
option setting and or generator type.
|
java.lang.String |
globalInfo()
Returns a string describing this data generator.
|
java.util.Enumeration<Option> |
listOptions()
Returns an enumeration describing the available options.
|
static void |
main(java.lang.String[] args)
Main method for testing this class.
|
void |
setExpression(java.lang.String value)
Sets the mathematical expression to generate y out of x.
|
void |
setOptions(java.lang.String[] options)
Parses a list of options for this object.
|
getAmplitude, getMaxRange, getMinRange, getNoiseRate, getNoiseVariance, maxRangeTipText, minRangeTipText, noiseRateTipText, noiseVarianceTipText, setAmplitude, setMaxRange, setMinRange, setNoiseRate, setNoiseVariancegetNumExamples, numExamplesTipText, setNumExamplesdebugTipText, defaultOutput, enumToVector, formatTipText, getDatasetFormat, getDebug, getNumExamplesAct, getOutput, getRandom, getRelationName, getSeed, makeData, outputTipText, randomTipText, relationNameTipText, runDataGenerator, seedTipText, setDatasetFormat, setDebug, setOutput, setRandom, setRelationName, setSeedpublic java.lang.String globalInfo()
globalInfo in class MexicanHatpublic java.util.Enumeration<Option> listOptions()
listOptions in interface OptionHandlerlistOptions in class MexicanHatpublic void setOptions(java.lang.String[] options)
throws java.lang.Exception
-h Prints this help.
-o <file> The name of the output file, otherwise the generated data is printed to stdout.
-r <name> The name of the relation.
-d Whether to print debug informations.
-S The seed for random function (default 1)
-n <num> The number of examples to generate (default 100)
-A <num> The amplitude multiplier (default 1.0).
-R <num>..<num> The range x is randomly drawn from (default -10.0..10.0).
-N <num> The noise rate (default 0.0).
-V <num> The noise variance (default 1.0).
-E <expression> The expression to use for generating y out of x (default sin(abs(a1)) / abs(a1)).
setOptions in interface OptionHandlersetOptions in class MexicanHatoptions - the list of options as an array of stringsjava.lang.Exception - if an option is not supportedpublic java.lang.String[] getOptions()
getOptions in interface OptionHandlergetOptions in class MexicanHatDataGenerator.removeBlacklist(String[])public java.lang.String amplitudeTipText()
amplitudeTipText in class MexicanHatpublic java.lang.String getExpression()
public void setExpression(java.lang.String value)
value - the expression for computing ypublic java.lang.String expressionTipText()
public boolean getSingleModeFlag()
throws java.lang.Exception
getSingleModeFlag in class MexicanHatjava.lang.Exception - if mode is not set yetpublic Instances defineDataFormat() throws java.lang.Exception
defineDataFormat in class MexicanHatjava.lang.Exception - if the generating of the format failedDataGenerator.getSeed()public Instance generateExample() throws java.lang.Exception
generateExample in class MexicanHatjava.lang.Exception - if the format of the dataset is not yet definedjava.lang.Exception - if the generator only works with generateExamples which
means in non single modepublic Instances generateExamples() throws java.lang.Exception
generateExamples in class MexicanHatjava.lang.Exception - if the format of the dataset is not yet definedjava.lang.Exception - if the generator only works with generateExample, which
means in single modeDataGenerator.getSeed()public java.lang.String generateStart()
generateStart in class MexicanHatpublic java.lang.String generateFinished()
throws java.lang.Exception
generateFinished in class MexicanHatjava.lang.Exception - if the generating of the documentaion failspublic java.lang.String getRevision()
getRevision in interface RevisionHandlergetRevision in class MexicanHatpublic static void main(java.lang.String[] args)
args - should contain arguments for the data producer: