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java.lang.Objectweka.core.converters.AbstractLoader
weka.core.converters.CSVLoader
Reads a text file that is comma or tab delimited..
Loader
,
Serialized FormField Summary | |
protected java.io.File |
m_sourceFile
Holds the source of the data set. |
protected Instances |
m_structure
Holds the determined structure (header) of the data set. |
Fields inherited from class weka.core.converters.AbstractLoader |
BATCH, INCREMENTAL, m_retrieval, NONE |
Constructor Summary | |
CSVLoader()
|
Method Summary | |
Instances |
getDataSet()
Return the full data set. |
Instance |
getNextInstance()
CSVLoader is unable to process a data set incrementally. |
Instances |
getStructure()
Determines and returns (if possible) the structure (internally the header) of the data set as an empty set of instances. |
java.lang.String |
globalInfo()
Returns a string describing this attribute evaluator |
static void |
main(java.lang.String[] args)
Main method. |
void |
reset()
Resets the loader ready to read a new data set |
void |
setSource(java.io.File file)
Resets the Loader object and sets the source of the data set to be the supplied File object. |
Methods inherited from class weka.core.converters.AbstractLoader |
getRetrieval, setRetrieval, setSource |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected Instances m_structure
protected java.io.File m_sourceFile
Constructor Detail |
public CSVLoader()
Method Detail |
public java.lang.String globalInfo()
public void reset()
public void setSource(java.io.File file) throws java.io.IOException
setSource
in interface Loader
setSource
in class AbstractLoader
file
- the source file.
java.io.IOException
- if an error occurspublic Instances getStructure() throws java.io.IOException
getStructure
in interface Loader
getStructure
in class AbstractLoader
java.io.IOException
- if an error occurspublic Instances getDataSet() throws java.io.IOException
getDataSet
in interface Loader
getDataSet
in class AbstractLoader
java.io.IOException
- if there is no source or parsing failspublic Instance getNextInstance() throws java.io.IOException
getNextInstance
in interface Loader
getNextInstance
in class AbstractLoader
java.io.IOException
- always. CSVLoader is unable to process a data
set incrementally.public static void main(java.lang.String[] args)
args
- should contain the name of an input file.
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