org.datavec.dataframe.mapping

Interface LongMapUtils

All Superinterfaces:

Column, Iterable<Long>, LongColumnUtils, it.unimi.dsi.fastutil.longs.LongIterable

All Known Implementing Classes:

LongColumn

public interface LongMapUtils
extends LongColumnUtils

Field Summary

Fields inherited from interface org.datavec.dataframe.columns.LongColumnUtils

isEqualTo, isEven, isGreaterThan, isGreaterThanOrEqualTo, isLessThan, isLessThanOrEqualTo, isMissing, isNegative, isNonNegative, isNotEqualTo, isNotMissing, isOdd, isPositive, isZero

Method Summary

Modifier and Type	Method and Description
default FloatColumn	asPercent() Return the elements of this column as the percentages of their value relative to the sum of all elements
default FloatColumn	asRatio() Return the elements of this column as the ratios of their value and the sum of all elements
default LongColumn	difference(LongColumn column2)
long	get(int index)
default String	names(LongColumn[] columns)
default LongColumn	plus(LongColumn... columns)
long	sum()

Methods inherited from interface org.datavec.dataframe.columns.Column

addCell, append, asBytes, byteSize, clear, columnMetadata, columnWidth, comment, copy, countMissing, countUnique, difference, emptyCopy, emptyCopy, first, first, getString, id, isEmpty, isMissing, isNotMissing, last, last, metadata, name, print, rowComparator, setComment, setName, size, sortAscending, sortDescending, subset, summary, title, toDoubleArray, type, unique

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongIterable

iterator

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

plus

default LongColumn plus(LongColumn... columns)

names

default String names(LongColumn[] columns)

asRatio

default FloatColumn asRatio()

Return the elements of this column as the ratios of their value and the sum of all elements

asPercent

default FloatColumn asPercent()

Return the elements of this column as the percentages of their value relative to the sum of all elements

sum

long sum()

get

long get(int index)

difference

default LongColumn difference(LongColumn column2)