MovieLens100k (Deep Java Library 0.22.1 - basicdataset API)

java.lang.Object
- ai.djl.training.dataset.RandomAccessDataset
- - ai.djl.basicdataset.tabular.TabularDataset
  - - ai.djl.basicdataset.tabular.CsvDataset
    - - ai.djl.basicdataset.tabular.MovieLens100k

All Implemented Interfaces:

ai.djl.training.dataset.Dataset
```
public final class MovieLens100k
extends CsvDataset
```
Movielens 100k movie reviews dataset from https://grouplens.org/datasets/movielens/100k/.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class MovieLens100k.Builder
A builder to construct a MovieLens100k.
- Nested classes/interfaces inherited from class ai.djl.basicdataset.tabular.CsvDataset
  CsvDataset.CsvBuilder<T extends CsvDataset.CsvBuilder<T>>
- Nested classes/interfaces inherited from class ai.djl.basicdataset.tabular.TabularDataset
  TabularDataset.BaseBuilder<T extends TabularDataset.BaseBuilder<T>>
- Nested classes/interfaces inherited from interface ai.djl.training.dataset.Dataset
  ai.djl.training.dataset.Dataset.Usage

Field Summary
- Fields inherited from class ai.djl.basicdataset.tabular.CsvDataset
  csvFormat, csvRecords, csvUrl
- Fields inherited from class ai.djl.basicdataset.tabular.TabularDataset
  features, labels
- Fields inherited from class ai.djl.training.dataset.RandomAccessDataset
  dataBatchifier, device, labelBatchifier, limit, pipeline, prefetchNumber, sampler, targetPipeline

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static MovieLens100k.Builder`	`builder()`	Creates a builder to build a `MovieLens100k`.
`java.lang.String`	`getCell(long rowIndex, java.lang.String featureName)`	Returns a cell in the dataset.
`void`	`prepare(ai.djl.util.Progress progress)`

Methods inherited from class ai.djl.basicdataset.tabular.CsvDataset
availableSize, getColumnNames

Methods inherited from class ai.djl.basicdataset.tabular.TabularDataset
get, getFeatures, getFeatureSize, getLabels, getLabelSize, getRowFeatures, matchingTranslatorOptions, prepareFeaturizers

Methods inherited from class ai.djl.training.dataset.RandomAccessDataset
getData, getData, getData, getData, newSubDataset, newSubDataset, randomSplit, size, subDataset, subDataset, subDataset, subDataset, toArray

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface ai.djl.training.dataset.Dataset
prepare

- Method Detail
  - getCell
```
public java.lang.String getCell(long rowIndex,
                                java.lang.String featureName)
```
    Returns a cell in the dataset.
    
    Overrides:
    
    getCell in class CsvDataset
    
    Parameters:
    
    rowIndex - the row index or record index for the cell
    
    featureName - the feature or column of the cell
    
    Returns:
    
    the value of the cell at that row and column
  - prepare
```
public void prepare(ai.djl.util.Progress progress)
             throws java.io.IOException
```
    Specified by:
    
    prepare in interface ai.djl.training.dataset.Dataset
    
    Overrides:
    
    prepare in class CsvDataset
    
    Throws:
    
    java.io.IOException
  - builder
```
public static MovieLens100k.Builder builder()
```
    Creates a builder to build a MovieLens100k.
    
    Returns:
    
    a new builder