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docs/torch/torch.data/DataLoader

DataLoader

torch.data.DataLoader
class DataLoader[Input, Batch](dataset: IndexedSeq[Input], batchSize: Int, shuffle: Boolean, collateFn: Seq[Input] => Batch) extends Iterable[Batch]

Provides an iterable over batches of a given dataset.

Attributes

Source
DataLoader.scala
Graph
Supertypes
trait Iterable[Batch]
trait IterableOps[Batch, Iterable, Iterable[Batch]]
trait IterableOnceOps[Batch, Iterable, Iterable[Batch]]
trait IterableOnce[Batch]
class Object
trait Matchable
class Any
Show all
Known subtypes
class ExampleDataLoader[D1, D2]
class TupleDataLoader[D1, D2]

Members list

Value members

Concrete methods

override def iterator: Iterator[Batch]

Attributes

Definition Classes
Source
DataLoader.scala

Inherited methods

final def ++[B >: Batch](suffix: IterableOnce[B]): CC[B]

Attributes

Inherited from:
IterableOps
final def addString(b: StringBuilder): StringBuilder

Attributes

Inherited from:
IterableOnceOps
final def addString(b: StringBuilder, sep: String): StringBuilder

Attributes

Inherited from:
IterableOnceOps
def collect[B](pf: PartialFunction[Batch, B]): CC[B]

Attributes

Inherited from:
IterableOps
def collectFirst[B](pf: PartialFunction[Batch, B]): Option[B]

Attributes

Inherited from:
IterableOnceOps
def concat[B >: Batch](suffix: IterableOnce[B]): CC[B]

Attributes

Inherited from:
IterableOps
def copyToArray[B >: Batch](xs: Array[B], start: Int, len: Int): Int

Attributes

Inherited from:
IterableOnceOps
def copyToArray[B >: Batch](xs: Array[B], start: Int): Int

Attributes

Inherited from:
IterableOnceOps
def copyToArray[B >: Batch](xs: Array[B]): Int

Attributes

Inherited from:
IterableOnceOps
def corresponds[B](that: IterableOnce[B])(p: (Batch, B) => Boolean): Boolean

Attributes

Inherited from:
IterableOnceOps
def count(p: Batch => Boolean): Int

Attributes

Inherited from:
IterableOnceOps
def drop(n: Int): C

Attributes

Inherited from:
IterableOps
def dropRight(n: Int): C

Attributes

Inherited from:
IterableOps
def dropWhile(p: Batch => Boolean): C

Attributes

Inherited from:
IterableOps
override def empty: CC[A]

Attributes

Definition Classes
Inherited from:
IterableFactoryDefaults
def exists(p: Batch => Boolean): Boolean

Attributes

Inherited from:
IterableOnceOps
def filter(pred: Batch => Boolean): C

Attributes

Inherited from:
IterableOps
def filterNot(pred: Batch => Boolean): C

Attributes

Inherited from:
IterableOps
def find(p: Batch => Boolean): Option[A]

Attributes

Inherited from:
IterableOnceOps
def flatMap[B](f: Batch => IterableOnce[B]): CC[B]

Attributes

Inherited from:
IterableOps
def flatten[B](implicit asIterable: Batch => IterableOnce[B]): CC[B]

Attributes

Inherited from:
IterableOps
def fold[A1 >: Batch](z: A1)(op: (A1, A1) => A1): A1

Attributes

Inherited from:
IterableOnceOps
def foldLeft[B](z: B)(op: (B, Batch) => B): B

Attributes

Inherited from:
IterableOnceOps
def foldRight[B](z: B)(op: (Batch, B) => B): B

Attributes

Inherited from:
IterableOnceOps
def forall(p: Batch => Boolean): Boolean

Attributes

Inherited from:
IterableOnceOps
def foreach[U](f: Batch => U): Unit

Attributes

Inherited from:
IterableOnceOps
protected def fromSpecific(coll: IterableOnce[Batch]): CC[A]

Attributes

Inherited from:
IterableFactoryDefaults
def groupBy[K](f: Batch => K): Map[K, C]

Attributes

Inherited from:
IterableOps
def groupMap[K, B](key: Batch => K)(f: Batch => B): Map[K, CC[B]]

Attributes

Inherited from:
IterableOps
def groupMapReduce[K, B](key: Batch => K)(f: Batch => B)(reduce: (B, B) => B): Map[K, B]

Attributes

Inherited from:
IterableOps
def grouped(size: Int): Iterator[C]

Attributes

Inherited from:
IterableOps
def head: A

Attributes

Inherited from:
IterableOps
def headOption: Option[A]

Attributes

Inherited from:
IterableOps
def init: C

Attributes

Inherited from:
IterableOps
def inits: Iterator[C]

Attributes

Inherited from:
IterableOps
def isEmpty: Boolean

Attributes

Inherited from:
IterableOnceOps
override def isTraversableAgain: Boolean

Attributes

Definition Classes
Inherited from:
IterableOps
def iterableFactory: IterableFactory[Iterable]

Attributes

Inherited from:
Iterable
def knownSize: Int

Attributes

Inherited from:
IterableOnce
def last: A

Attributes

Inherited from:
IterableOps
def lastOption: Option[A]

Attributes

Inherited from:
IterableOps
def lazyZip[B](that: Iterable[B]): LazyZip2[A, B, Iterable]

Attributes

Inherited from:
Iterable
def map[B](f: Batch => B): CC[B]

Attributes

Inherited from:
IterableOps
def max[B >: Batch](implicit ord: Ordering[B]): A

Attributes

Inherited from:
IterableOnceOps
def maxBy[B](f: Batch => B)(implicit cmp: Ordering[B]): A

Attributes

Inherited from:
IterableOnceOps
def maxByOption[B](f: Batch => B)(implicit cmp: Ordering[B]): Option[A]

Attributes

Inherited from:
IterableOnceOps
def maxOption[B >: Batch](implicit ord: Ordering[B]): Option[A]

Attributes

Inherited from:
IterableOnceOps
def min[B >: Batch](implicit ord: Ordering[B]): A

Attributes

Inherited from:
IterableOnceOps
def minBy[B](f: Batch => B)(implicit cmp: Ordering[B]): A

Attributes

Inherited from:
IterableOnceOps
def minByOption[B](f: Batch => B)(implicit cmp: Ordering[B]): Option[A]

Attributes

Inherited from:
IterableOnceOps
def minOption[B >: Batch](implicit ord: Ordering[B]): Option[A]

Attributes

Inherited from:
IterableOnceOps
final def mkString: String

Attributes

Inherited from:
IterableOnceOps
final def mkString(sep: String): String

Attributes

Inherited from:
IterableOnceOps
final def mkString(start: String, sep: String, end: String): String

Attributes

Inherited from:
IterableOnceOps
protected def newSpecificBuilder: Builder[A, CC[A]]

Attributes

Inherited from:
IterableFactoryDefaults
def nonEmpty: Boolean

Attributes

Inherited from:
IterableOnceOps
def partition(p: Batch => Boolean): (C, C)

Attributes

Inherited from:
IterableOps
def partitionMap[A1, A2](f: Batch => Either[A1, A2]): (CC[A1], CC[A2])

Attributes

Inherited from:
IterableOps
def product[B >: Batch](implicit num: Numeric[B]): B

Attributes

Inherited from:
IterableOnceOps
def reduce[B >: Batch](op: (B, B) => B): B

Attributes

Inherited from:
IterableOnceOps
def reduceLeft[B >: Batch](op: (B, Batch) => B): B

Attributes

Inherited from:
IterableOnceOps
def reduceLeftOption[B >: Batch](op: (B, Batch) => B): Option[B]

Attributes

Inherited from:
IterableOnceOps
def reduceOption[B >: Batch](op: (B, B) => B): Option[B]

Attributes

Inherited from:
IterableOnceOps
def reduceRight[B >: Batch](op: (Batch, B) => B): B

Attributes

Inherited from:
IterableOnceOps
def reduceRightOption[B >: Batch](op: (Batch, B) => B): Option[B]

Attributes

Inherited from:
IterableOnceOps
protected def reversed: Iterable[A]

Attributes

Inherited from:
IterableOnceOps
def scan[B >: Batch](z: B)(op: (B, B) => B): CC[B]

Attributes

Inherited from:
IterableOps
def scanLeft[B](z: B)(op: (B, Batch) => B): CC[B]

Attributes

Inherited from:
IterableOps
def scanRight[B](z: B)(op: (Batch, B) => B): CC[B]

Attributes

Inherited from:
IterableOps
def size: Int

Attributes

Inherited from:
IterableOnceOps
def sizeCompare(that: Iterable[_]): Int

Attributes

Inherited from:
IterableOps
def sizeCompare(otherSize: Int): Int

Attributes

Inherited from:
IterableOps
final def sizeIs: SizeCompareOps

Attributes

Inherited from:
IterableOps
def slice(from: Int, until: Int): C

Attributes

Inherited from:
IterableOps
def sliding(size: Int, step: Int): Iterator[C]

Attributes

Inherited from:
IterableOps
def sliding(size: Int): Iterator[C]

Attributes

Inherited from:
IterableOps
def span(p: Batch => Boolean): (C, C)

Attributes

Inherited from:
IterableOps
override def splitAt(n: Int): (C, C)

Attributes

Definition Classes
Inherited from:
IterableOps
def stepper[S <: Stepper[_]](implicit shape: StepperShape[Batch, S]): S

Attributes

Inherited from:
IterableOnce
def sum[B >: Batch](implicit num: Numeric[B]): B

Attributes

Inherited from:
IterableOnceOps
def tail: C

Attributes

Inherited from:
IterableOps
def tails: Iterator[C]

Attributes

Inherited from:
IterableOps
def take(n: Int): C

Attributes

Inherited from:
IterableOps
def takeRight(n: Int): C

Attributes

Inherited from:
IterableOps
def takeWhile(p: Batch => Boolean): C

Attributes

Inherited from:
IterableOps
override def tapEach[U](f: Batch => U): C

Attributes

Definition Classes
Inherited from:
IterableOps
def to[C1](factory: Factory[Batch, C1]): C1

Attributes

Inherited from:
IterableOnceOps
def toArray[B >: Batch : ClassTag]: Array[B]

Attributes

Inherited from:
IterableOnceOps
final def toBuffer[B >: Batch]: Buffer[B]

Attributes

Inherited from:
IterableOnceOps
def toIndexedSeq: IndexedSeq[A]

Attributes

Inherited from:
IterableOnceOps
def toList: List[A]

Attributes

Inherited from:
IterableOnceOps
def toMap[K, V](implicit ev: Batch <:< (K, V)): Map[K, V]

Attributes

Inherited from:
IterableOnceOps
def toSeq: Seq[A]

Attributes

Inherited from:
IterableOnceOps
def toSet[B >: Batch]: Set[B]

Attributes

Inherited from:
IterableOnceOps
override def toString(): String

Returns a string representation of the object.

Returns a string representation of the object.

The default representation is platform dependent.

Attributes

Returns

a string representation of the object.

Definition Classes
Iterable -> Any
Inherited from:
Iterable
def toVector: Vector[A]

Attributes

Inherited from:
IterableOnceOps
def transpose[B](implicit asIterable: Batch => Iterable[B]): CC[CC[B]]

Attributes

Inherited from:
IterableOps
def unzip[A1, A2](implicit asPair: Batch => (A1, A2)): (CC[A1], CC[A2])

Attributes

Inherited from:
IterableOps
def unzip3[A1, A2, A3](implicit asTriple: Batch => (A1, A2, A3)): (CC[A1], CC[A2], CC[A3])

Attributes

Inherited from:
IterableOps
def view: View[A]

Attributes

Inherited from:
IterableOps
def withFilter(p: Batch => Boolean): WithFilter[A, CC]

Attributes

Inherited from:
IterableOps
def zip[B](that: IterableOnce[B]): CC[(A, B)]

Attributes

Inherited from:
IterableOps
def zipAll[A1 >: Batch, B](that: Iterable[B], thisElem: A1, thatElem: B): CC[(A1, B)]

Attributes

Inherited from:
IterableOps
def zipWithIndex: CC[(A, Int)]

Attributes

Inherited from:
IterableOps

Deprecated and Inherited methods

def ++:[B >: Batch](that: IterableOnce[B]): CC[B]

Attributes

Deprecated
[Since version 2.13.0] Use ++ instead of ++: for collections of type Iterable
Inherited from:
IterableOps
final def /:[B](z: B)(op: (B, Batch) => B): B

Attributes

Deprecated
[Since version 2.13.0] Use foldLeft instead of /:
Inherited from:
IterableOnceOps
final def :\[B](z: B)(op: (Batch, B) => B): B

Attributes

Deprecated
[Since version 2.13.0] Use foldRight instead of :\\
Inherited from:
IterableOnceOps
def aggregate[B](z: => B)(seqop: (B, Batch) => B, combop: (B, B) => B): B

Attributes

Deprecated
[Since version 2.13.0] `aggregate` is not relevant for sequential collections. Use `foldLeft(z)(seqop)` instead.
Inherited from:
IterableOnceOps
def companion: IterableFactory[CC]

Attributes

Deprecated
[Since version 2.13.0] Use iterableFactory instead
Inherited from:
IterableOps
final def copyToBuffer[B >: Batch](dest: Buffer[B]): Unit

Attributes

Deprecated
[Since version 2.13.0] Use `dest ++= coll` instead
Inherited from:
IterableOnceOps
def hasDefiniteSize: Boolean

Attributes

Deprecated
[Since version 2.13.0] Check .knownSize instead of .hasDefiniteSize for more actionable information (see scaladoc for details)
Inherited from:
IterableOnceOps
final def repr: C

Attributes

Deprecated
[Since version 2.13.0] Use coll instead of repr in a collection implementation, use the collection value itself from the outside
Inherited from:
IterableOps
def seq: Iterable.this.type

Attributes

Deprecated
[Since version 2.13.0] Iterable.seq always returns the iterable itself
Inherited from:
Iterable
final def toIterable: Iterable.this.type

Attributes

Deprecated
[Since version 2.13.7] toIterable is internal and will be made protected; its name is similar to `toList` or `toSeq`, but it doesn\'t copy non-immutable collections
Inherited from:
Iterable
final def toIterator: Iterator[A]

Attributes

Deprecated
[Since version 2.13.0] Use .iterator instead of .toIterator
Inherited from:
IterableOnceOps
final def toStream: Stream[A]

Attributes

Deprecated
[Since version 2.13.0] Use .to(LazyList) instead of .toStream
Inherited from:
IterableOnceOps
final def toTraversable: Iterable[A]

Attributes

Deprecated
[Since version 2.13.0] toTraversable is internal and will be made protected; its name is similar to `toList` or `toSeq`, but it doesn\'t copy non-immutable collections
Inherited from:
IterableOps
def view(from: Int, until: Int): View[A]

Attributes

Deprecated
[Since version 2.13.0] Use .view.slice(from, until) instead of .view(from, until)
Inherited from:
IterableOps
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