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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 | |
static java.lang.String |
FILE_EXTENSION
|
Constructor Summary | |
CSVLoader()
|
Method Summary | |
Instances |
getDataSet()
Return the full data set. |
java.lang.String |
getFileDescription()
Returns a description of the file type. |
java.lang.String |
getFileExtension()
Get the file extension used for arff files |
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 |
java.io.File |
retrieveFile()
get the File specified as the source |
void |
setFile(java.io.File file)
sets the source File |
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 |
setSource |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static java.lang.String FILE_EXTENSION
Constructor Detail |
public CSVLoader()
Method Detail |
public java.lang.String getFileExtension()
getFileExtension
in interface FileSourcedConverter
public java.lang.String getFileDescription()
getFileDescription
in interface FileSourcedConverter
public java.io.File retrieveFile()
retrieveFile
in interface FileSourcedConverter
public void setFile(java.io.File file) throws java.io.IOException
setFile
in interface FileSourcedConverter
file
- the source file
java.io.IOException
- if an error occurspublic 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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