Package edu.cnu.mdi.splot.pdata

Class DataColumn

java.lang.Object

java.util.AbstractCollection<Double>

java.util.AbstractList<Double>

java.util.ArrayList<Double>

edu.cnu.mdi.splot.pdata.DataList

edu.cnu.mdi.splot.pdata.DataColumn

All Implemented Interfaces:

Serializable, Cloneable, Iterable<Double>, Collection<Double>, List<Double>, RandomAccess

public class DataColumn
extends DataList

A named numeric column used by sPlot datasets.

This is currently a thin extension of DataList that provides basic statistics.

See Also:

• Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
DataColumn()

Method Summary

Modifier and Type	Method	Description
double	getMean()	Get mean of the data in this column.
double	getStandardDeviation()	Standard deviation of the data in this column.
double	getVariance()	Get (population) variance of the data in this column.

Methods inherited from class edu.cnu.mdi.splot.pdata.DataList

add, add, addAll, addAll, clear, getMax, getMin, recomputeMinMax, remove, remove, removeAll, removeIf, removeRange, replaceAll, retainAll, set, values

Methods inherited from class java.util.ArrayList

clone, contains, ensureCapacity, equals, forEach, get, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, size, sort, spliterator, subList, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractCollection

containsAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, stream, toArray

Methods inherited from interface java.util.List

containsAll

Constructor Details

DataColumn

public DataColumn()

Method Details

getMean

public double getMean()

Get mean of the data in this column.

Returns:

mean, or NaN if empty

getVariance

public double getVariance()

Get (population) variance of the data in this column.

Returns:

variance, or NaN if empty

getStandardDeviation

public double getStandardDeviation()

Standard deviation of the data in this column.

Returns:

standard deviation, or NaN if empty