Package tech.tablesaw.columns.strings

Interface StringData

All Superinterfaces:

FilterSpec<Selection>, Iterable<String>, StringFilters, StringFilterSpec<Selection>, StringReduceUtils

All Known Implementing Classes:

TextualStringData

public interface StringData
extends StringFilters, StringReduceUtils

Method Summary

Modifier and Type	Method	Description
StringData	append(String value)
void	append(Column<String> column)
StringData	appendMissing()
StringData	appendObj(Object obj)
byte[]	asBytes(int rowNumber)
double[]	asDoubleArray()
List<String>	asList()
String[]	asObjectArray()
Set<String>	asSet()
void	clear()
boolean	contains(String aString)
StringData	copy()
Table	countByCategory(String columnName)
int	countMissing()
int	countOccurrences(String value)
int	countUnique()
StringData	emptyCopy()
StringData	emptyCopy(int rowSize)
int	firstIndexOf(String value)
DictionaryMap	getDictionary()
double	getDouble(int i)
List<BooleanColumn>	getDummies()
boolean	isEmpty()
boolean	isMissing(int rowNumber)
StringData	lag(int n)
StringData	lead(int n)
StringData	removeMissing()
it.unimi.dsi.fastutil.ints.IntComparator	rowComparator()
StringData	set(int rowNumber, String value)
StringData	set(Selection rowSelection, String newValue)
StringData	setMissing(int i)
void	sortAscending()
void	sortDescending()
default StringData	subset(int[] rows)	Return a StringData of the same type containing just those elements whose indexes are included in the given array
StringData	unique()
StringData	where(Selection selection)

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface tech.tablesaw.columns.strings.StringFilters

containsString, endsWith, equalsIgnoreCase, equalsIgnoreCase, eval, eval, eval, eval, get, isAlpha, isAlphaNumeric, isEmptyString, isEqualTo, isEqualTo, isIn, isIn, isIn, isLongerThan, isLowerCase, isMissing, isNotEqualTo, isNotEqualTo, isNotIn, isNotIn, isNotIn, isNotMissing, isNumeric, isShorterThan, isUpperCase, lengthEquals, matchesRegex, size, startsWith, startsWith

Methods inherited from interface tech.tablesaw.columns.strings.StringReduceUtils

appendAll, appendAll, size

Method Detail

appendMissing

StringData appendMissing()

append

StringData append(String value)

emptyCopy

StringData emptyCopy()

emptyCopy

StringData emptyCopy(int rowSize)

sortAscending

void sortAscending()

sortDescending

void sortDescending()

clear

void clear()

unique

StringData unique()

where

StringData where(Selection selection)

copy

StringData copy()

lead

StringData lead(int n)

lag

StringData lag(int n)

set

StringData set(Selection rowSelection,
               String newValue)

set

StringData set(int rowNumber,
               String value)

contains

boolean contains(String aString)

setMissing

StringData setMissing(int i)

rowComparator

it.unimi.dsi.fastutil.ints.IntComparator rowComparator()

removeMissing

StringData removeMissing()

asSet

Set<String> asSet()

asBytes

byte[] asBytes(int rowNumber)

asObjectArray

String[] asObjectArray()

isEmpty

boolean isEmpty()

isMissing

boolean isMissing(int rowNumber)

countUnique

int countUnique()

append

void append(Column<String> column)

countMissing

int countMissing()

asList

List<String> asList()

countByCategory

Table countByCategory(String columnName)

getDummies

List<BooleanColumn> getDummies()

getDouble

double getDouble(int i)

asDoubleArray

double[] asDoubleArray()

appendObj

StringData appendObj(Object obj)

firstIndexOf

int firstIndexOf(String value)

countOccurrences

int countOccurrences(String value)

subset

default StringData subset(int[] rows)

Return a StringData of the same type containing just those elements whose indexes are included in the given array

getDictionary

@Nullable
DictionaryMap getDictionary()