public enum MatrixFormat extends Enum<MatrixFormat>
Enum Constant and Description |
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CSV
Comma-separated value format (dense).
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DF_DOUBLES
DataFrame of doubles with no row index.
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DF_DOUBLES_WITH_INDEX
DataFrame of doubles with a row index.
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DF_VECTOR
Vector DataFrame with no row index.
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DF_VECTOR_WITH_INDEX
Vector DataFrame with a row index.
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IJV
(I J V) format (sparse).
|
Modifier and Type | Method and Description |
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boolean |
hasIDColumn()
Does the DataFrame have a row index?
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boolean |
isVectorBased()
Is the matrix format vector-based?
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static MatrixFormat |
valueOf(String name)
Returns the enum constant of this type with the specified name.
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static MatrixFormat[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
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public static final MatrixFormat CSV
public static final MatrixFormat IJV
public static final MatrixFormat DF_DOUBLES_WITH_INDEX
public static final MatrixFormat DF_DOUBLES
public static final MatrixFormat DF_VECTOR_WITH_INDEX
public static final MatrixFormat DF_VECTOR
public static MatrixFormat[] values()
for (MatrixFormat c : MatrixFormat.values()) System.out.println(c);
public static MatrixFormat valueOf(String name)
name
- the name of the enum constant to be returned.IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is nullpublic boolean isVectorBased()
true
if matrix is a vector-based DataFrame, false
otherwise.public boolean hasIDColumn()
true
if the DataFrame has a row index, false
otherwise.Copyright © 2017 The Apache Software Foundation. All rights reserved.