water.rapids.ast.prims.advmath

Class AstKFold

java.lang.Object

water.Iced<AstRoot>

water.rapids.ast.AstRoot

water.rapids.ast.AstPrimitive

water.rapids.ast.prims.advmath.AstKFold

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Freezable<AstRoot>

public class AstKFold
extends AstPrimitive

See Also:

Serialized Form

Field Summary

Fields inherited from class water.rapids.ast.AstRoot

CONSTS, PRIMS

Constructor Summary

Constructors

Constructor and Description
AstKFold()

Method Summary

Methods

Modifier and Type	Method and Description
ValFrame	apply(Env env, Env.StackHelp stk, AstRoot[] asts)
java.lang.String[]	args()
static Vec	kfoldColumn(Vec v, int nfolds, long seed)
static Vec	moduloKfoldColumn(Vec v, int nfolds)
int	nargs()
java.lang.String	str()
static Vec	stratifiedKFoldColumn(Vec y, int nfolds, long seed)

Methods inherited from class water.rapids.ast.AstPrimitive

description, example, exec

Methods inherited from class water.rapids.ast.AstRoot

columns, newAstFrame, newAstStr, toString

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AstKFold

public AstKFold()

Method Detail

args

public java.lang.String[] args()

Specified by:

args in class AstPrimitive

nargs

public int nargs()

Specified by:

nargs in class AstRoot

str

public java.lang.String str()

Specified by:

str in class AstRoot

kfoldColumn

public static Vec kfoldColumn(Vec v,
              int nfolds,
              long seed)

moduloKfoldColumn

public static Vec moduloKfoldColumn(Vec v,
                    int nfolds)

stratifiedKFoldColumn

public static Vec stratifiedKFoldColumn(Vec y,
                        int nfolds,
                        long seed)

apply

public ValFrame apply(Env env,
             Env.StackHelp stk,
             AstRoot[] asts)

Overrides:

apply in class AstRoot