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| <h2 title="Class DataAugmentation" class="title">Class DataAugmentation</h2> |
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| <pre>public class <span class="typeNameLabel">DataAugmentation</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/DataAugmentation.html#DataAugmentation--">DataAugmentation</a></span>()</code> </td> |
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| <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/DataAugmentation.html#dataCorruption-org.apache.sysds.runtime.matrix.data.FrameBlock-double-double-double-double-double-">dataCorruption</a></span>(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> input, |
| double pTypo, |
| double pMiss, |
| double pDrop, |
| double pOut, |
| double pSwap)</code> |
| <div class="block">This function returns a new frame block with error introduced in the data: |
| Typos in string values, null values, outliers in numeric data and swapped elements.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/DataAugmentation.html#miss-org.apache.sysds.runtime.matrix.data.FrameBlock-double-double-">miss</a></span>(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| double pMiss, |
| double pDrop)</code> |
| <div class="block">This function modifies the given, preprocessed frame block to add missing values to some of the rows, |
| marking them with the label missing.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/DataAugmentation.html#outlier-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-double-double-int-">outlier</a></span>(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> numerics, |
| double pOut, |
| double pPos, |
| int times)</code> |
| <div class="block">This function modifies the given, preprocessed frame block to add outliers to some |
| of the numeric data of the frame, adding or several times the standard deviation, |
| and marking them with the label outlier.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/DataAugmentation.html#preprocessing-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-java.util.List-java.util.List-">preprocessing</a></span>(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> numerics, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> strings, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> swappable)</code> |
| <div class="block">This function returns a new frame block with a labels column added, and build the lists |
| with column index of the different types of data.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/DataAugmentation.html#swap-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-double-">swap</a></span>(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> swappable, |
| double pSwap)</code> |
| <div class="block">This function modifies the given, preprocessed frame block to add swapped fields of the same ValueType |
| that are consecutive, marking them with the label swap.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/utils/DataAugmentation.html#typos-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-double-">typos</a></span>(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> strings, |
| double pTypo)</code> |
| <div class="block">This function modifies the given, preprocessed frame block to add typos to the string values, |
| marking them with the label typos.</div> |
| </td> |
| </tr> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
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| <h4>DataAugmentation</h4> |
| <pre>public DataAugmentation()</pre> |
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| <a name="dataCorruption-org.apache.sysds.runtime.matrix.data.FrameBlock-double-double-double-double-double-"> |
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| <h4>dataCorruption</h4> |
| <pre>public static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> dataCorruption(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> input, |
| double pTypo, |
| double pMiss, |
| double pDrop, |
| double pOut, |
| double pSwap)</pre> |
| <div class="block">This function returns a new frame block with error introduced in the data: |
| Typos in string values, null values, outliers in numeric data and swapped elements.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - Original frame block</dd> |
| <dd><code>pTypo</code> - Probability of introducing a typo in a row</dd> |
| <dd><code>pMiss</code> - Probability of introducing missing values in a row</dd> |
| <dd><code>pDrop</code> - Probability of dropping a value inside a row</dd> |
| <dd><code>pOut</code> - Probability of introducing outliers in a row</dd> |
| <dd><code>pSwap</code> - Probability swapping two elements in a row</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new frameblock with corrupted elements</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preprocessing-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-java.util.List-java.util.List-"> |
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| </a> |
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| <h4>preprocessing</h4> |
| <pre>public static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> preprocessing(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> numerics, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> strings, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> swappable)</pre> |
| <div class="block">This function returns a new frame block with a labels column added, and build the lists |
| with column index of the different types of data.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>frame</code> - Original frame block</dd> |
| <dd><code>numerics</code> - Empty list to return the numeric positions</dd> |
| <dd><code>strings</code> - Empty list to return the string positions</dd> |
| <dd><code>swappable</code> - Empty list to return the swappable positions</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new frameblock with a labels column</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="typos-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-double-"> |
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| </a> |
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| <h4>typos</h4> |
| <pre>public static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> typos(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> strings, |
| double pTypo)</pre> |
| <div class="block">This function modifies the given, preprocessed frame block to add typos to the string values, |
| marking them with the label typos.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>frame</code> - Original frame block</dd> |
| <dd><code>strings</code> - List with the columns of string type that can be changed, generated during preprocessing or manually selected</dd> |
| <dd><code>pTypo</code> - Probability of adding a typo to a row</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new frameblock with typos</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="miss-org.apache.sysds.runtime.matrix.data.FrameBlock-double-double-"> |
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| </a> |
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| <h4>miss</h4> |
| <pre>public static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> miss(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| double pMiss, |
| double pDrop)</pre> |
| <div class="block">This function modifies the given, preprocessed frame block to add missing values to some of the rows, |
| marking them with the label missing.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>frame</code> - Original frame block</dd> |
| <dd><code>pMiss</code> - Probability of adding missing values to a row</dd> |
| <dd><code>pDrop</code> - Probability of dropping a value</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new frameblock with missing values</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="outlier-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-double-double-int-"> |
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| <h4>outlier</h4> |
| <pre>public static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> outlier(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> numerics, |
| double pOut, |
| double pPos, |
| int times)</pre> |
| <div class="block">This function modifies the given, preprocessed frame block to add outliers to some |
| of the numeric data of the frame, adding or several times the standard deviation, |
| and marking them with the label outlier.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>frame</code> - Original frame block</dd> |
| <dd><code>numerics</code> - List with the columns of numeric type that can be changed, generated during preprocessing or manually selected</dd> |
| <dd><code>pOut</code> - Probability of introducing an outlier in a row</dd> |
| <dd><code>pPos</code> - Probability of using positive deviation</dd> |
| <dd><code>times</code> - Times the standard deviation is added</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new frameblock with outliers</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="swap-org.apache.sysds.runtime.matrix.data.FrameBlock-java.util.List-double-"> |
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| <h4>swap</h4> |
| <pre>public static <a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> swap(<a href="../../../../org/apache/sysds/runtime/matrix/data/FrameBlock.html" title="class in org.apache.sysds.runtime.matrix.data">FrameBlock</a> frame, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> swappable, |
| double pSwap)</pre> |
| <div class="block">This function modifies the given, preprocessed frame block to add swapped fields of the same ValueType |
| that are consecutive, marking them with the label swap.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>frame</code> - Original frame block</dd> |
| <dd><code>swappable</code> - List with the columns that are swappable, generated during preprocessing</dd> |
| <dd><code>pSwap</code> - Probability of swapping two fields in a row</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A new frameblock with swapped elements</dd> |
| </dl> |
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