Uses of Interface
org.datavec.api.transform.ColumnOp

Packages that use ColumnOp

Package	Description
org.datavec.api.transform
org.datavec.api.transform.condition
org.datavec.api.transform.condition.column
org.datavec.api.transform.condition.sequence
org.datavec.api.transform.condition.string
org.datavec.api.transform.filter
org.datavec.api.transform.ndarray
org.datavec.api.transform.rank
org.datavec.api.transform.reduce
org.datavec.api.transform.reduce.impl
org.datavec.api.transform.sequence
org.datavec.api.transform.sequence.comparator
org.datavec.api.transform.sequence.expansion
org.datavec.api.transform.sequence.trim
org.datavec.api.transform.sequence.window
org.datavec.api.transform.transform
org.datavec.api.transform.transform.categorical
org.datavec.api.transform.transform.column
org.datavec.api.transform.transform.condition
org.datavec.api.transform.transform.doubletransform
org.datavec.api.transform.transform.integer
org.datavec.api.transform.transform.longtransform
org.datavec.api.transform.transform.nlp
org.datavec.api.transform.transform.parse
org.datavec.api.transform.transform.sequence
org.datavec.api.transform.transform.string
org.datavec.api.transform.transform.time

Uses of ColumnOp in org.datavec.api.transform

Subinterfaces of ColumnOp in org.datavec.api.transform

Modifier and Type	Interface and Description
interface	Transform A Transform converts an example to another example, or a sequence to another sequence

Uses of ColumnOp in org.datavec.api.transform.condition

Subinterfaces of ColumnOp in org.datavec.api.transform.condition

Modifier and Type	Interface and Description
interface	Condition The Condition interface defines a binary state that either holds/is satisfied for an example/sequence, or does not hold. Example: number greater than x, String is one of {X,Y,Z}, etc. Typical uses for conditions: filtering, conditional replacement, conditional reduction, etc

Classes in org.datavec.api.transform.condition that implement ColumnOp

Modifier and Type	Class and Description
class	BooleanCondition BooleanCondition: used for creating compound conditions, such as AND(ConditionA, ConditionB, ...) As a BooleanCondition is a condition, these can be chained together, like NOT(OR(AND(...),AND(...)))

Uses of ColumnOp in org.datavec.api.transform.condition.column

Subinterfaces of ColumnOp in org.datavec.api.transform.condition.column

Modifier and Type	Interface and Description
interface	ColumnCondition Created by agibsonccc on 11/26/16.

Classes in org.datavec.api.transform.condition.column that implement ColumnOp

Modifier and Type	Class and Description
class	BaseColumnCondition Abstract class for column conditions
class	BooleanColumnCondition Created by agibsonccc on 11/26/16.
class	CategoricalColumnCondition Condition that applies to the values in a Categorical column, using a ConditionOp
class	DoubleColumnCondition Condition that applies to the values in a Double column, using a ConditionOp
class	InfiniteColumnCondition A column condition that simply checks whether a floating point value is infinite
class	IntegerColumnCondition Condition that applies to the values in an Integer column, using a ConditionOp
class	InvalidValueColumnCondition A Condition that applies to a single column.
class	LongColumnCondition Condition that applies to the values in a Long column, using a ConditionOp
class	NaNColumnCondition A column condition that simply checks whether a floating point value is NaN
class	NullWritableColumnCondition Condition that applies to the values in any column.
class	StringColumnCondition Condition that applies to the values in a String column, using a ConditionOp
class	TimeColumnCondition Condition that applies to the values in a Time column, using a ConditionOp
class	TrivialColumnCondition Created by huitseeker on 5/17/17.

Uses of ColumnOp in org.datavec.api.transform.condition.sequence

Classes in org.datavec.api.transform.condition.sequence that implement ColumnOp

Modifier and Type	Class and Description
class	SequenceLengthCondition A condition on sequence lengths

Uses of ColumnOp in org.datavec.api.transform.condition.string

Classes in org.datavec.api.transform.condition.string that implement ColumnOp

Modifier and Type	Class and Description
class	StringRegexColumnCondition Condition that applies to the values in a String column, using a provided regex.

Uses of ColumnOp in org.datavec.api.transform.filter

Subinterfaces of ColumnOp in org.datavec.api.transform.filter

Modifier and Type	Interface and Description
interface	Filter Filter: a method of removing examples (or sequences) according to some condition

Classes in org.datavec.api.transform.filter that implement ColumnOp

Modifier and Type	Class and Description
class	BaseColumnFilter Abstract class for filtering examples based on the values in a single column
class	ConditionFilter A filter based on a Condition. If condition is satisfied (returns true): remove the example or sequence If condition is not satisfied (returns false): keep the example or sequence
class	FilterInvalidValues FilterInvalidValues: a filter operation that removes any examples (or sequences) if the examples/sequences contains invalid values in any of a specified set of columns.
class	InvalidNumColumns Remove invalid records of a certain size.

Uses of ColumnOp in org.datavec.api.transform.ndarray

Classes in org.datavec.api.transform.ndarray that implement ColumnOp

Modifier and Type	Class and Description
class	NDArrayColumnsMathOpTransform Perform an element wise mathematical operation on 2 or more NDArray columns
class	NDArrayDistanceTransform Calculate the distance (cosine similarity, EUCLIDEAN, MANHATTAN) between two INDArrays
class	NDArrayMathFunctionTransform A simple transform to do common mathematical operations, such as sin(x), ceil(x), etc. Operations are performed element-wise on each value in the INDArray; operations are specified by MathFunction
class	NDArrayScalarOpTransform Perform an NDArray/scalar element wise operation, such as X.addi(scalar).

Uses of ColumnOp in org.datavec.api.transform.rank

Classes in org.datavec.api.transform.rank that implement ColumnOp

Modifier and Type	Class and Description
class	CalculateSortedRank CalculateSortedRank: calculate the rank of each example, after sorting example.

Uses of ColumnOp in org.datavec.api.transform.reduce

Subinterfaces of ColumnOp in org.datavec.api.transform.reduce

Modifier and Type	Interface and Description
interface	AggregableColumnReduction A column reduction defines how a single column should be reduced.
interface	ColumnReduction A column reduction defines how a single column should be reduced.

Uses of ColumnOp in org.datavec.api.transform.reduce.impl

Classes in org.datavec.api.transform.reduce.impl that implement ColumnOp

Modifier and Type	Class and Description
class	GeographicMidpointReduction Given a set of latitude/longitude coordinates, encoded in Text writables with format "lat,long" (the delimiter is configurable), determine the geographic midpoint.

Uses of ColumnOp in org.datavec.api.transform.sequence

Classes in org.datavec.api.transform.sequence that implement ColumnOp

Modifier and Type	Class and Description
class	ReduceSequenceTransform Reduce The values in each column in the sequence to a single value using a reducer.

Uses of ColumnOp in org.datavec.api.transform.sequence.comparator

Classes in org.datavec.api.transform.sequence.comparator that implement ColumnOp

Modifier and Type	Class and Description
class	BaseColumnComparator Compare/sort a sequence by the values of a specific column
class	NumericalColumnComparator Sequence comparator: compare elements in a sequence using the values in a single column Can be applied on any numerical column (Integer, Long, Double or Time columns)
class	StringComparator A comparator for comparing String values in a single column

Uses of ColumnOp in org.datavec.api.transform.sequence.expansion

Classes in org.datavec.api.transform.sequence.expansion that implement ColumnOp

Modifier and Type	Class and Description
class	BaseSequenceExpansionTransform A base class for sequence expansion operations.

Uses of ColumnOp in org.datavec.api.transform.sequence.trim

Classes in org.datavec.api.transform.sequence.trim that implement ColumnOp

Modifier and Type	Class and Description
class	SequenceTrimTransform SequenceTrimTranform removes the first or last N values in a sequence.

Uses of ColumnOp in org.datavec.api.transform.sequence.window

Classes in org.datavec.api.transform.sequence.window that implement ColumnOp

Modifier and Type	Class and Description
class	ReduceSequenceByWindowTransform Idea: do two things.

Uses of ColumnOp in org.datavec.api.transform.transform

Classes in org.datavec.api.transform.transform that implement ColumnOp

Modifier and Type	Class and Description
class	BaseColumnsMathOpTransform Base class for multiple column math operations.
class	BaseColumnTransform Map the values in a single column to new values.
class	BaseTransform BaseTransform: an abstract transform class, that handles transforming sequences by transforming each example individually

Uses of ColumnOp in org.datavec.api.transform.transform.categorical

Classes in org.datavec.api.transform.transform.categorical that implement ColumnOp

Modifier and Type	Class and Description
class	CategoricalToIntegerTransform Created by Alex on 4/03/2016.
class	CategoricalToOneHotTransform Created by Alex on 4/03/2016.
class	IntegerToCategoricalTransform Convert an integer column to a categorical column, using a provided Map<Integer,String>
class	PivotTransform Pivot transform operates on two columns: - a categorical column that operates as a key, and - Another column that contains a value Essentially, Pivot transform takes keyvalue pairs and breaks them out into separate columns.
class	StringToCategoricalTransform Convert a String column to a categorical column

Uses of ColumnOp in org.datavec.api.transform.transform.column

Classes in org.datavec.api.transform.transform.column that implement ColumnOp

Modifier and Type	Class and Description
class	AddConstantColumnTransform Add a new column, where the values in that column for all records are identical (according to the specified value)
class	DuplicateColumnsTransform Duplicate one or more columns.
class	RemoveAllColumnsExceptForTransform Transform that removes all columns except for those that are explicitly specified as ones to keep To specify only the columns to remove, use RemoveColumnsTransform
class	RemoveColumnsTransform Remove the specified columns from the data.
class	RenameColumnsTransform Rename one or more columns
class	ReorderColumnsTransform Rearrange the order of the columns.

Uses of ColumnOp in org.datavec.api.transform.transform.condition

Classes in org.datavec.api.transform.transform.condition that implement ColumnOp

Modifier and Type	Class and Description
class	ConditionalCopyValueTransform Replace the value in a specified column with a new value taken from another column, if a condition is satisfied/true. Note that the condition can be any generic condition, including on other column(s), different to the column that will be modified if the condition is satisfied/true.
class	ConditionalReplaceValueTransform Replace the value in a specified column with a new value, if a condition is satisfied/true. Note that the condition can be any generic condition, including on other column(s), different to the column that will be modified if the condition is satisfied/true.
class	ConditionalReplaceValueTransformWithDefault Replace the value in a specified column with a 'yes' value, if a condition is satisfied/true. Replace the value of this same column with a 'no' value otherwise.

Uses of ColumnOp in org.datavec.api.transform.transform.doubletransform

Classes in org.datavec.api.transform.transform.doubletransform that implement ColumnOp

Modifier and Type	Class and Description
class	BaseDoubleTransform
class	ConvertToDouble Convert any value to an Double
class	DoubleColumnsMathOpTransform Add a new double column, calculated from one or more other columns.
class	DoubleMathFunctionTransform A simple transform to do common mathematical operations, such as sin(x), ceil(x), etc. Operations are specified by MathFunction
class	DoubleMathOpTransform Double mathematical operation. This is an in-place operation of the double column value and a double scalar.
class	Log2Normalizer Normalize by taking scale * log2((in-columnMin)/(mean-columnMin) + 1) Maps values in range (columnMin to infinity) to (0 to infinity) Most suitable for values with a geometric/negative exponential type distribution.
class	MinMaxNormalizer Normalizer to map (min to max) -> (newMin-to newMax) linearly.
class	StandardizeNormalizer Normalize using (x-mean)/stdev.
class	SubtractMeanNormalizer Normalize by substracting the mean

Uses of ColumnOp in org.datavec.api.transform.transform.integer

Classes in org.datavec.api.transform.transform.integer that implement ColumnOp

Modifier and Type	Class and Description
class	BaseIntegerTransform Abstract integer transformation (single column)
class	ConvertToInteger Convert any value to an Integer.
class	IntegerColumnsMathOpTransform Add a new integer column, calculated from one or more other columns.
class	IntegerMathOpTransform Integer mathematical operation. This is an in-place operation of the integer column value and an integer scalar.
class	IntegerToOneHotTransform Convert an integer column to a set of one-hot columns.
class	ReplaceEmptyIntegerWithValueTransform Replace an empty/missing integer with a certain value.
class	ReplaceInvalidWithIntegerTransform Replace an invalid (non-integer) value in a column with a specified integer

Uses of ColumnOp in org.datavec.api.transform.transform.longtransform

Classes in org.datavec.api.transform.transform.longtransform that implement ColumnOp

Modifier and Type	Class and Description
class	LongColumnsMathOpTransform Add a new long column, calculated from one or more other columns.
class	LongMathOpTransform Long mathematical operation. This is an in-place operation of the long column value and an long scalar.

Uses of ColumnOp in org.datavec.api.transform.transform.nlp

Classes in org.datavec.api.transform.transform.nlp that implement ColumnOp

Modifier and Type	Class and Description
class	TextToCharacterIndexTransform Convert each text value in a sequence to a longer sequence of integer indices.
class	TextToTermIndexSequenceTransform Convert each text value in a sequence to a longer sequence of integer indices.

Uses of ColumnOp in org.datavec.api.transform.transform.parse

Classes in org.datavec.api.transform.transform.parse that implement ColumnOp

Modifier and Type	Class and Description
class	ParseDoubleTransform Convert string writables to doubles

Uses of ColumnOp in org.datavec.api.transform.transform.sequence

Classes in org.datavec.api.transform.transform.sequence that implement ColumnOp

Modifier and Type	Class and Description
class	SequenceDifferenceTransform SequenceDifferenceTransform: for an input sequence, calculate the difference on one column. For each time t, calculate someColumn(t) - someColumn(t-s), where s >= 1 is the 'lookback' period. Note: at t=0 (i.e., the first step in a sequence; or more generally, for all times t < s), there is no previous value from which to calculate the difference.
class	SequenceMovingWindowReduceTransform SequenceMovingWindowReduceTransform Adds a new column, where the value is derived by: (a) using a window of the last N values in a single column, (b) Apply a reduction op on the window to calculate a new value for example, this transformer can be used to implement a simple moving average of the last N values, or determine the minimum or maximum values in the last N time steps.
class	SequenceOffsetTransform Sequence offset transform takes a sequence, and shifts The values in one or more columns by a specified number of times steps.

Uses of ColumnOp in org.datavec.api.transform.transform.string

Classes in org.datavec.api.transform.transform.string that implement ColumnOp

Modifier and Type	Class and Description
class	AppendStringColumnTransform Append a String to the values in a single column
class	BaseStringTransform Abstract String column transform
class	ChangeCaseStringTransform Change case (to, e.g, all lower case) of String column.
class	ConcatenateStringColumns Concatenate values of one or more String columns into a new String column.
class	ConvertToString Convert any value to a string.
class	MapAllStringsExceptListTransform This method maps all String values, except those is the specified list, to a single String value
class	RemoveWhiteSpaceTransform String transform that removes all whitespace charaters
class	ReplaceEmptyStringTransform Replace empty String values with the specified String
class	ReplaceStringTransform Replaces String values that match regular expressions.
class	StringListToCategoricalSetTransform Convert a delimited String to a list of binary categorical columns.
class	StringListToCountsNDArrayTransform Converts String column into a bag-of-words (BOW) represented as an NDArray of "counts." Note that the original column is removed in the process
class	StringListToIndicesNDArrayTransform Converts String column into a sparse bag-of-words (BOW) represented as an NDArray of indices.
class	StringMapTransform A simple String -> String map function.

Uses of ColumnOp in org.datavec.api.transform.transform.time

Classes in org.datavec.api.transform.transform.time that implement ColumnOp

Modifier and Type	Class and Description
class	DeriveColumnsFromTimeTransform Create a number of new columns by deriving their values from a Time column.
class	StringToTimeTransform Convert a String column to a time column by parsing the date/time String, using a JodaTime.
class	TimeMathOpTransform Transform math op on a time column