|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.apache.mahout.classifier.df.data.DataLoader
public final class DataLoader
Converts the input data to a Vector Array using the information given by the Dataset.
Generates for each line a Vector that contains :
Method Summary | |
---|---|
static Dataset |
generateDataset(CharSequence descriptor,
boolean regression,
org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path)
Generates the Dataset by parsing the entire data |
static Dataset |
generateDataset(CharSequence descriptor,
boolean regression,
String[] data)
Generates the Dataset by parsing the entire data |
static Data |
loadData(Dataset dataset,
org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path fpath)
Loads the data from a file |
static Data |
loadData(Dataset dataset,
String[] data)
Loads the data from a String array |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public static Data loadData(Dataset dataset, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path fpath) throws IOException
fs
- file systemfpath
- data file path
IOException
- if any problem is encounteredpublic static Data loadData(Dataset dataset, String[] data)
public static Dataset generateDataset(CharSequence descriptor, boolean regression, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path) throws DescriptorException, IOException
descriptor
- attributes descriptionregression
- if true, the label is numericalfs
- file systempath
- data path
DescriptorException
IOException
public static Dataset generateDataset(CharSequence descriptor, boolean regression, String[] data) throws DescriptorException
descriptor
- attributes description
DescriptorException
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |