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
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MexicanHat
,
Serialized FormConstructor and Description |
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Expression()
initializes the generator
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Modifier and Type | Method and Description |
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java.lang.String |
amplitudeTipText()
Returns the tip text for this property
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Instances |
defineDataFormat()
Initializes the format for the dataset produced.
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java.lang.String |
expressionTipText()
Returns the tip text for this property
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Instance |
generateExample()
Generates one example of the dataset.
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Instances |
generateExamples()
Generates all examples of the dataset.
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java.lang.String |
generateFinished()
Generates a comment string that documentats the data generator.
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java.lang.String |
generateStart()
Generates a comment string that documentates the data generator.
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java.lang.String |
getExpression()
Gets the mathematical expression for generating y out of x
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java.lang.String[] |
getOptions()
Gets the current settings of the datagenerator BIRCHCluster.
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java.lang.String |
getRevision()
Returns the revision string.
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boolean |
getSingleModeFlag()
Return if single mode is set for the given data generator
mode depends on option setting and or generator type.
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java.lang.String |
globalInfo()
Returns a string describing this data generator.
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java.util.Enumeration |
listOptions()
Returns an enumeration describing the available options.
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static void |
main(java.lang.String[] args)
Main method for testing this class.
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void |
setExpression(java.lang.String value)
Sets the mathematical expression to generate y out of x.
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void |
setOptions(java.lang.String[] options)
Parses a list of options for this object.
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getAmplitude, getMaxRange, getMinRange, getNoiseRate, getNoiseVariance, maxRangeTipText, minRangeTipText, noiseRateTipText, noiseVarianceTipText, setAmplitude, setMaxRange, setMinRange, setNoiseRate, setNoiseVariance
getNumExamples, numExamplesTipText, setNumExamples
debugTipText, defaultOutput, formatTipText, getDatasetFormat, getDebug, getNumExamplesAct, getOutput, getRandom, getRelationName, getSeed, makeData, outputTipText, randomTipText, relationNameTipText, seedTipText, setDatasetFormat, setDebug, setOutput, setRandom, setRelationName, setSeed
public java.lang.String globalInfo()
globalInfo
in class MexicanHat
public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
listOptions
in class MexicanHat
public 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 OptionHandler
setOptions
in class MexicanHat
options
- the list of options as an array of stringsjava.lang.Exception
- if an option is not supportedpublic java.lang.String[] getOptions()
getOptions
in interface OptionHandler
getOptions
in class MexicanHat
DataGenerator.removeBlacklist(String[])
public java.lang.String amplitudeTipText()
amplitudeTipText
in class MexicanHat
public 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 MexicanHat
java.lang.Exception
- if mode is not set yetpublic Instances defineDataFormat() throws java.lang.Exception
defineDataFormat
in class MexicanHat
java.lang.Exception
- if the generating of the format failedDataGenerator.getSeed()
public Instance generateExample() throws java.lang.Exception
generateExample
in class MexicanHat
java.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 MexicanHat
java.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 MexicanHat
public java.lang.String generateFinished() throws java.lang.Exception
generateFinished
in class MexicanHat
java.lang.Exception
- if the generating of the documentaion failspublic java.lang.String getRevision()
getRevision
in interface RevisionHandler
getRevision
in class MexicanHat
public static void main(java.lang.String[] args)
args
- should contain arguments for the data producer: