water.rapids

Class ASTOp

java.lang.Object

water.Iced

water.rapids.AST

water.rapids.ASTOp

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Freezable

Direct Known Subclasses:

ASTApply, ASTddply, ASTFunc, ASTGroupBy, ASTMerge, ASTQPFPC

public abstract class ASTOp
extends AST

Parse a generic R string and build an AST, in the context of an H2O Cloud

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.HashMap<java.lang.String,ASTOp>	BIN_INFIX_OPS
static java.util.HashMap<java.lang.String,ASTOp>	PREFIX_OPS
static java.util.HashMap<java.lang.String,AST>	SYMBOLS
static java.util.HashMap<java.lang.String,ASTOp>	UDF_OPS
static java.util.HashMap<java.lang.String,ASTOp>	UNI_INFIX_OPS

Method Summary

Methods

Modifier and Type	Method and Description
static ASTOp	get(java.lang.String op)
static ASTOp	isBuiltinOp(java.lang.String id)
static boolean	isInfixOp(java.lang.String id)
static ASTOp	isOp(java.lang.String id)
static boolean	isUDF(ASTOp op)
static boolean	isUDF(java.lang.String id)
static Vec	kfoldColumn(Vec v, int nfolds, long seed)
static Vec	moduloKfoldColumn(Vec v, int nfolds)
static java.util.Set<java.lang.String>	opStrs()
static Vec	stratifiedKFoldColumn(Vec y, int nfolds, long seed)

Methods inherited from class water.rapids.AST

indent, numChildren

Methods inherited from class water.Iced

clone, frozenType, read_impl, read, readExternal, readJSON_impl, readJSON, toJsonString, write_impl, write, writeExternal, writeJSON_impl, writeJSON

Methods inherited from class java.lang.Object

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

Field Detail

UNI_INFIX_OPS

public static final java.util.HashMap<java.lang.String,ASTOp> UNI_INFIX_OPS

BIN_INFIX_OPS

public static final java.util.HashMap<java.lang.String,ASTOp> BIN_INFIX_OPS

PREFIX_OPS

public static final java.util.HashMap<java.lang.String,ASTOp> PREFIX_OPS

UDF_OPS

public static final java.util.HashMap<java.lang.String,ASTOp> UDF_OPS

SYMBOLS

public static final java.util.HashMap<java.lang.String,AST> SYMBOLS

Method Detail

isOp

public static ASTOp isOp(java.lang.String id)

isBuiltinOp

public static ASTOp isBuiltinOp(java.lang.String id)

isInfixOp

public static boolean isInfixOp(java.lang.String id)

isUDF

public static boolean isUDF(java.lang.String id)

isUDF

public static boolean isUDF(ASTOp op)

opStrs

public static java.util.Set<java.lang.String> opStrs()

get

public static ASTOp get(java.lang.String op)

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)