org.apache.mahout.ga.watchmaker.cd
Class FileInfoParser
java.lang.Object
org.apache.mahout.ga.watchmaker.cd.FileInfoParser
public final class FileInfoParser
- extends Object
Initializes a DataSet using a special format file.
The file contains for each attribute one of the following:
IGNORED
if the attribute is ignored
LABEL, val1, val2, ...
if the attribute is the label, and its possible values
CATEGORICAL, val1, val2, ...
if the attribute is nominal, and its possible values
NUMERICAL, min, max
if the attribute is numerical, and its min and max values
Method Summary |
static org.apache.hadoop.fs.Path |
getInfoFile(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path inpath)
Prepares the path for the info file corresponding to the input path. |
static DataSet |
parseFile(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path inpath)
Initializes a dataset using an info file. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
IGNORED_TOKEN
public static final String IGNORED_TOKEN
- See Also:
- Constant Field Values
LABEL_TOKEN
public static final String LABEL_TOKEN
- See Also:
- Constant Field Values
NOMINAL_TOKEN
public static final String NOMINAL_TOKEN
- See Also:
- Constant Field Values
NUMERICAL_TOKEN
public static final String NUMERICAL_TOKEN
- See Also:
- Constant Field Values
parseFile
public static DataSet parseFile(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path inpath)
throws IOException
- Initializes a dataset using an info file.
- Parameters:
fs
- file systeminpath
- info file
- Returns:
- Initialized Dataset
- Throws:
IOException
getInfoFile
public static org.apache.hadoop.fs.Path getInfoFile(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path inpath)
throws IOException
- Prepares the path for the info file corresponding to the input path.
- Parameters:
fs
- file system
- Throws:
IOException
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