BooleanColumn (tablesaw-core 0.43.1 API)

java.lang.Object
- tech.tablesaw.columns.AbstractColumn<BooleanColumn,Boolean>
- - tech.tablesaw.api.BooleanColumn

All Implemented Interfaces:

Iterable<Selection>, Comparator<Selection>, CategoricalColumn<Boolean>, BooleanFillers<BooleanColumn>, BooleanFilters, BooleanMapUtils, Column<Selection>, BooleanFilterSpec<Selection>, FilterSpec<Selection>
```
public class BooleanColumn
extends AbstractColumn<BooleanColumn,Boolean>
implements BooleanFilterSpec<Selection>, BooleanMapUtils, CategoricalColumn<Boolean>, BooleanFillers<BooleanColumn>, BooleanFilters
```
A column that contains boolean values

Field Summary

Fields
Modifier and Type Field Description

protected it.unimi.dsi.fastutil.bytes.ByteArrayList data
The data held by this column
- Fields inherited from class tech.tablesaw.columns.AbstractColumn
  DEFAULT_ARRAY_SIZE

Fields
Modifier and Type	Field	Description
`protected it.unimi.dsi.fastutil.bytes.ByteArrayList`	`data`	The data held by this column

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`all()`	Returns true if the column contains only true values, and false otherwise.
`boolean`	`any()`	Returns true if the column contains any true values, and false otherwise
`BooleanColumn`	`append(boolean b)`	Appends b to the end of this column and returns this column
`BooleanColumn`	`append(byte b)`	Appends b to the end of this column and returns this column
`BooleanColumn`	`append(Boolean b)`	Appends value to the bottom of this column and return this column
`BooleanColumn`	`append(Column<Boolean> column)`	Appends all the values in the argument to the bottom of this column and return this column
`Column<Boolean>`	`append(Column<Boolean> column, int row)`	Appends the value at the given row in the given column to the bottom of this column and return this column
`BooleanColumn`	`appendCell(String object)`	Add one element to the bottom of this column and set its value to the parsed value of the given String.
`BooleanColumn`	`appendCell(String object, AbstractColumnParser<?> parser)`	Add one element to the bottom of this column and set its value to the parsed value of the given String, as performed by the given parser
`BooleanColumn`	`appendMissing()`	Appends a missing value appropriate to the column
`BooleanColumn`	`appendObj(Object obj)`	Appends the given value to the bottom of this column and return this column
`byte[]`	`asBytes(int row)`	Returns the contents of the cell at rowNumber as a byte[].
`double[]`	`asDoubleArray()`	Returns all the values in this column as an array of doubles, with true values encoded as 1.0 and false values as 0.0
`DoubleColumn`	`asDoubleColumn()`	Returns a DoubleColumn containing the elements in this column, with true as 1.0 and false as 0.0.
`Boolean[]`	`asObjectArray()`	Returns an array of objects as appropriate for my type of column
`Selection`	`asSelection()`
`it.unimi.dsi.fastutil.booleans.BooleanSet`	`asSet()`	Returns the values in this column as a BooleanSet instance
`it.unimi.dsi.fastutil.bytes.ByteIterator`	`byteIterator()`	Returns a ByteIterator for this column
`int`	`byteSize()`	Returns the width of a cell in this column, in bytes.
`void`	`clear()`	Removes all elements TODO: Make this return this column
`int`	`compare(Boolean o1, Boolean o2)`
`boolean`	`contains(boolean aBoolean)`	Returns true if the column contains at least one value like `aBoolean`
`BooleanColumn`	`copy()`	Returns a deep copy of the receiver
`int`	`countFalse()`	Returns the number of `false` elements in this column
`int`	`countMissing()`	Returns the count of missing values in this column
`int`	`countTrue()`	Returns the number of `true` elements in this column
`int`	`countUnique()`	Returns the count of unique values in this column.
`static BooleanColumn`	`create(String name)`	Returns a new, empty Boolean column with the given name.
`static BooleanColumn`	`create(String name, boolean... values)`	Returns a new Boolean column with the given name and values
`static BooleanColumn`	`create(String name, int initialSize)`	Returns a new Boolean column of the given size.
`static BooleanColumn`	`create(String name, Boolean[] values)`	Returns a new Boolean column with the given name and values
`static BooleanColumn`	`create(String name, Collection<Boolean> values)`	Returns a new Boolean column with the given name and values
`static BooleanColumn`	`create(String name, Stream<Boolean> values)`	Returns a new Boolean column with the given name and values
`static BooleanColumn`	`create(String name, Selection hits, int columnSize)`	Returns a new Boolean column of the given size.
`it.unimi.dsi.fastutil.bytes.ByteArrayList`	`data()`	Returns a ByteArrayList containing 0 (false), 1 (true) or Byte.MIN_VALUE (missing)
`BooleanColumn`	`emptyCopy()`	Returns a copy of the receiver with no data.
`BooleanColumn`	`emptyCopy(int rowSize)`	Returns an empty copy of the receiver, with its internal storage initialized to the given row size.
`boolean`	`equals(int rowNumber1, int rowNumber2)`	Returns true if the value in this column at rowNumber1 is equal to the value at rowNumber2
`Selection`	`eval(BiPredicate<Boolean,Boolean> predicate, Boolean valueToCompare)`	Returns a Selection of the elements that return true when the predicate is evaluated with the given Boolean argument
`Selection`	`eval(Predicate<Boolean> predicate)`	Returns a Selection of the elements that return true when the predicate is evaluated
`Selection`	`eval(BytePredicate predicate)`	Returns a Selection of the elements that return true when the predicate is evaluated
`BooleanColumn`	`fillWith(it.unimi.dsi.fastutil.booleans.BooleanIterable iterable)`
`BooleanColumn`	`fillWith(it.unimi.dsi.fastutil.booleans.BooleanIterator iterator)`
`BooleanColumn`	`fillWith(Supplier<Boolean> supplier)`
`Boolean`	`get(int i)`	Returns the value in row i as a Boolean
`byte`	`getByte(int i)`	Returns the value in row i as a byte (0, 1, or Byte.MIN_VALUE representing missing data)
`double`	`getDouble(int row)`	Returns the value at row as a double, with true values encoded as 1.0 and false values as 0.0
`BooleanFormatter`	`getPrintFormatter()`	Returns the print formatter for this column
`String`	`getString(int row)`	Returns a string representation of the value at the given row.
`String`	`getUnformattedString(int row)`	Returns a String representation of the value at index r, without any formatting applied
`boolean`	`isEmpty()`	Returns true if the column has no data
`Selection`	`isEqualTo(BooleanColumn other)`
`Selection`	`isFalse()`
`Selection`	`isMissing()`	Returns a selection containing an index for every missing value in this column
`boolean`	`isMissing(int rowNumber)`	Returns true if the value at rowNumber is missing
`Selection`	`isNotMissing()`	Returns a selection containing an index for every non-missing value in this column
`Selection`	`isTrue()`
`Iterator<Boolean>`	`iterator()`
`BooleanColumn`	`lag(int n)`	Returns a column of the same type and size as the receiver, containing the receivers values offset by n.
`BooleanColumn`	`lead(int n)`	Returns a column of the same type as the receiver, containing the receivers values offset -n For example if you lead a column containing 2, 3, 4 by 1, you get a column containing 3, 4, NA.
`boolean`	`none()`	Returns true if the column contains no true values, and false otherwise
`double`	`proportionFalse()`	Returns the proportion of non-missing row elements that contain true
`double`	`proportionTrue()`	Returns the proportion of non-missing row elements that contain true
`BooleanColumn`	`removeMissing()`	Returns a copy of this column with the missing values removed
`it.unimi.dsi.fastutil.ints.IntComparator`	`rowComparator()`	Returns an IntComparator for sorting my rows
`BooleanColumn`	`set(int i, boolean b)`	Sets the value at i to b, and returns this column
`BooleanColumn`	`set(int i, Boolean val)`	Sets the value at index row to the given value and return this column
`BooleanColumn`	`set(int row, String stringValue, AbstractColumnParser<?> parser)`	Sets the value at row to the parsed value of the given String using the given parser and returns this column
`Column<Boolean>`	`set(int row, Column<Boolean> column, int sourceRow)`	Sets the value at row to the value at sourceRow in the given column and return this column
`BooleanColumn`	`set(Selection rowSelection, boolean newValue)`	Conditionally update this column, replacing current values with newValue for all rows where the current value matches the selection criteria
`BooleanColumn`	`set(Selection rowSelection, byte newValue)`	Conditionally update this column, replacing current values with newValue for all rows where the current value matches the selection criteria.
`BooleanColumn`	`setMissing(int i)`	Sets the value at index i to the missing-value indicator for this column type, and return this column
`void`	`setPrintFormatter(BooleanFormatter formatter)`	Sets the print formatter for this column
`int`	`size()`	Returns the number of elements in this column, including missing values
`void`	`sortAscending()`	Sorts my values in ascending order
`void`	`sortDescending()`	Sorts my values in descending order
`Table`	`summary()`	Returns a table containing a ColumnType specific summary of the data in this column
`BooleanColumn`	`unique()`	Returns a column of the same type containing only the unique values
`int`	`valueHash(int rowNumber)`	Returns an int suitable as a hash for the value in this column at the given index
`static boolean`	`valueIsMissing(byte b)`	Returns `true` if b is the missing value indicator for this column type
`BooleanColumn`	`where(Selection selection)`	Returns a new column containing the subset referenced by the `Selection`

Methods inherited from class tech.tablesaw.columns.AbstractColumn
asStringColumn, filter, first, indexOf, inRange, last, map, max, min, name, parser, sampleN, sampleX, set, set, setName, setParser, sorted, subset, toString, type

Methods inherited from interface tech.tablesaw.columns.booleans.BooleanMapUtils
and, andNot, or

Methods inherited from interface tech.tablesaw.api.CategoricalColumn
countByCategory

Methods inherited from interface tech.tablesaw.columns.Column
allMatch, anyMatch, asList, asStringColumn, columnWidth, contains, count, count, filter, first, indexOf, inRange, interpolate, last, map, map, mapInto, max, max, min, min, name, noneMatch, parser, print, reduce, reduce, rolling, sampleN, sampleX, set, set, set, setMissingTo, setName, setParser, sorted, subset, title, type

Methods inherited from interface java.util.Comparator
comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Methods inherited from interface java.lang.Iterable
forEach, spliterator

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

- Field Detail
  - data
```
protected it.unimi.dsi.fastutil.bytes.ByteArrayList data
```
    The data held by this column
- Method Detail
  - valueIsMissing
```
public static boolean valueIsMissing(byte b)
```
    Returns true if b is the missing value indicator for this column type
  - isMissing
```
public boolean isMissing(int rowNumber)
```
    Returns true if the value at rowNumber is missing
    
    Specified by:
    
    isMissing in interface Column<Selection>
  - setMissing
```
public BooleanColumn setMissing(int i)
```
    Sets the value at index i to the missing-value indicator for this column type, and return this column
    
    Specified by:
    
    setMissing in interface Column<Selection>
  - create
```
public static BooleanColumn create(String name,
                                   Selection hits,
                                   int columnSize)
```
    Returns a new Boolean column of the given size. Elements indexed by the selection are set to true
    
    Parameters:
    
    name - The column name
    
    hits - The true values
    
    columnSize - The column size
    
    Returns:
    
    A new BooleanColumn
  - create
```
public static BooleanColumn create(String name)
```
    Returns a new, empty Boolean column with the given name.
    
    Parameters:
    
    name - The column name
    
    Returns:
    
    A new BooleanColumn
  - create
```
public static BooleanColumn create(String name,
                                   int initialSize)
```
    Returns a new Boolean column of the given size. All elements are false
    
    Parameters:
    
    name - The column name
    
    initialSize - The column size
    
    Returns:
    
    A new BooleanColumn
  - create
```
public static BooleanColumn create(String name,
                                   boolean... values)
```
    Returns a new Boolean column with the given name and values
  - create
```
public static BooleanColumn create(String name,
                                   Collection<Boolean> values)
```
    Returns a new Boolean column with the given name and values
  - create
```
public static BooleanColumn create(String name,
                                   Boolean[] values)
```
    Returns a new Boolean column with the given name and values
  - create
```
public static BooleanColumn create(String name,
                                   Stream<Boolean> values)
```
    Returns a new Boolean column with the given name and values
  - setPrintFormatter
```
public void setPrintFormatter(BooleanFormatter formatter)
```
    Sets the print formatter for this column
  - getPrintFormatter
```
public BooleanFormatter getPrintFormatter()
```
    Returns the print formatter for this column
  - size
```
public int size()
```
    Returns the number of elements in this column, including missing values
    
    Specified by:
    
    size in interface Column<Selection>
  - summary
```
public Table summary()
```
    Returns a table containing a ColumnType specific summary of the data in this column
    
    Specified by:
    
    summary in interface Column<Selection>
  - countMissing
```
public int countMissing()
```
    Returns the count of missing values in this column
    
    Specified by:
    
    countMissing in interface Column<Selection>
    
    Returns:
    
    missing values as int
  - countUnique
```
public int countUnique()
```
    Returns the count of unique values in this column.
    
    Specified by:
    
    countUnique in interface Column<Selection>
    
    Returns:
    
    unique values as int
  - unique
```
public BooleanColumn unique()
```
    Returns a column of the same type containing only the unique values
    
    Specified by:
    
    unique in interface Column<Selection>
    
    Returns:
    
    a Column
  - append
```
public BooleanColumn append(boolean b)
```
    Appends b to the end of this column and returns this column
  - append
```
public BooleanColumn append(Boolean b)
```
    Appends value to the bottom of this column and return this column
    
    Specified by:
    
    append in interface Column<Selection>
  - appendObj
```
public BooleanColumn appendObj(Object obj)
```
    Appends the given value to the bottom of this column and return this column
    
    Specified by:
    
    appendObj in interface Column<Selection>
  - append
```
public BooleanColumn append(byte b)
```
    Appends b to the end of this column and returns this column
  - appendMissing
```
public BooleanColumn appendMissing()
```
    Appends a missing value appropriate to the column
    
    Specified by:
    
    appendMissing in interface Column<Selection>
  - valueHash
```
public int valueHash(int rowNumber)
```
    Returns an int suitable as a hash for the value in this column at the given index
    
    Specified by:
    
    valueHash in interface Column<Selection>
  - equals
```
public boolean equals(int rowNumber1,
                      int rowNumber2)
```
    Returns true if the value in this column at rowNumber1 is equal to the value at rowNumber2
    
    Specified by:
    
    equals in interface Column<Selection>
  - getString
```
public String getString(int row)
```
    Returns a string representation of the value at the given row.
    
    Specified by:
    
    getString in interface Column<Selection>
    
    Parameters:
    
    row - The index of the row.
    
    Returns:
    
    value as String
  - getUnformattedString
```
public String getUnformattedString(int row)
```
    Returns a String representation of the value at index r, without any formatting applied
    
    Specified by:
    
    getUnformattedString in interface Column<Selection>
  - emptyCopy
```
public BooleanColumn emptyCopy()
```
    Returns a copy of the receiver with no data. The column name and type are the same.
    
    Specified by:
    
    emptyCopy in interface Column<Selection>
    
    Specified by:
    
    emptyCopy in class AbstractColumn<BooleanColumn,Boolean>
    
    Returns:
    
    a empty copy of Column
  - emptyCopy
```
public BooleanColumn emptyCopy(int rowSize)
```
    Returns an empty copy of the receiver, with its internal storage initialized to the given row size.
    
    Specified by:
    
    emptyCopy in interface Column<Selection>
    
    Parameters:
    
    rowSize - the initial row size
    
    Returns:
    
    a Column
  - clear
```
public void clear()
```
    Removes all elements TODO: Make this return this column
    
    Specified by:
    
    clear in interface Column<Selection>
  - copy
```
public BooleanColumn copy()
```
    Returns a deep copy of the receiver
    
    Specified by:
    
    copy in interface Column<Selection>
    
    Returns:
    
    a Column
  - sortAscending
```
public void sortAscending()
```
    Sorts my values in ascending order
    
    Specified by:
    
    sortAscending in interface Column<Selection>
  - sortDescending
```
public void sortDescending()
```
    Sorts my values in descending order
    
    Specified by:
    
    sortDescending in interface Column<Selection>
  - appendCell
```
public BooleanColumn appendCell(String object)
```
    Add one element to the bottom of this column and set its value to the parsed value of the given String. Parsing is type-specific
    
    Specified by:
    
    appendCell in interface Column<Selection>
  - appendCell
```
public BooleanColumn appendCell(String object,
                                AbstractColumnParser<?> parser)
```
    Add one element to the bottom of this column and set its value to the parsed value of the given String, as performed by the given parser
    
    Specified by:
    
    appendCell in interface Column<Selection>
  - get
```
public Boolean get(int i)
```
    Returns the value in row i as a Boolean
    
    Specified by:
    
    get in interface Column<Selection>
    
    Parameters:
    
    i - the row number
    
    Returns:
    
    A Boolean object (may be null)
  - getByte
```
public byte getByte(int i)
```
    Returns the value in row i as a byte (0, 1, or Byte.MIN_VALUE representing missing data)
    
    Parameters:
    
    i - the row number
  - isEmpty
```
public boolean isEmpty()
```
    Returns true if the column has no data
    
    Specified by:
    
    isEmpty in interface Column<Selection>
    
    Returns:
    
    true if empty, false if not
  - countTrue
```
public int countTrue()
```
    Returns the number of true elements in this column
  - countFalse
```
public int countFalse()
```
    Returns the number of false elements in this column
  - proportionTrue
```
public double proportionTrue()
```
    Returns the proportion of non-missing row elements that contain true
  - proportionFalse
```
public double proportionFalse()
```
    Returns the proportion of non-missing row elements that contain true
  - any
```
public boolean any()
```
    Returns true if the column contains any true values, and false otherwise
  - all
```
public boolean all()
```
    Returns true if the column contains only true values, and false otherwise. If there are any missing values it returns false.
  - none
```
public boolean none()
```
    Returns true if the column contains no true values, and false otherwise
  - isFalse
```
public Selection isFalse()
```
    Specified by:
    
    isFalse in interface BooleanFilters
    
    Specified by:
    
    isFalse in interface BooleanFilterSpec<Selection>
  - isTrue
```
public Selection isTrue()
```
    Specified by:
    
    isTrue in interface BooleanFilters
    
    Specified by:
    
    isTrue in interface BooleanFilterSpec<Selection>
  - isEqualTo
```
public Selection isEqualTo(BooleanColumn other)
```
    Specified by:
    
    isEqualTo in interface BooleanFilters
    
    Specified by:
    
    isEqualTo in interface BooleanFilterSpec<Selection>
  - data
```
public it.unimi.dsi.fastutil.bytes.ByteArrayList data()
```
    Returns a ByteArrayList containing 0 (false), 1 (true) or Byte.MIN_VALUE (missing)
  - set
```
public BooleanColumn set(int i,
                         boolean b)
```
    Sets the value at i to b, and returns this column
  - set
```
public BooleanColumn set(int i,
                         Boolean val)
```
    Sets the value at index row to the given value and return this column
    
    Specified by:
    
    set in interface Column<Selection>
  - set
```
public BooleanColumn set(int row,
                         String stringValue,
                         AbstractColumnParser<?> parser)
```
    Sets the value at row to the parsed value of the given String using the given parser and returns this column
    
    Specified by:
    
    set in interface Column<Selection>
  - lead
```
public BooleanColumn lead(int n)
```
    Returns a column of the same type as the receiver, containing the receivers values offset -n For example if you lead a column containing 2, 3, 4 by 1, you get a column containing 3, 4, NA.
    
    Specified by:
    
    lead in interface Column<Selection>
  - lag
```
public BooleanColumn lag(int n)
```
    Returns a column of the same type and size as the receiver, containing the receivers values offset by n.
    For example if you lag a column containing 2, 3, 4 by 1, you get a column containing NA, 2, 3
    
    Specified by:
    
    lag in interface Column<Selection>
  - set
```
public BooleanColumn set(Selection rowSelection,
                         boolean newValue)
```
    Conditionally update this column, replacing current values with newValue for all rows where the current value matches the selection criteria
  - set
```
public BooleanColumn set(Selection rowSelection,
                         byte newValue)
```
    Conditionally update this column, replacing current values with newValue for all rows where the current value matches the selection criteria.
    
    Parameters:
    
    rowSelection - the rows to be updated
    
    newValue - a byte representation of boolean values. The only valid arguments are 0, 1, and BooleanColumnType.missingValueIndicator()
  - getDouble
```
public double getDouble(int row)
```
    Returns the value at row as a double, with true values encoded as 1.0 and false values as 0.0
  - asDoubleArray
```
public double[] asDoubleArray()
```
    Returns all the values in this column as an array of doubles, with true values encoded as 1.0 and false values as 0.0
  - rowComparator
```
public it.unimi.dsi.fastutil.ints.IntComparator rowComparator()
```
    Returns an IntComparator for sorting my rows
    
    Specified by:
    
    rowComparator in interface Column<Selection>
  - append
```
public BooleanColumn append(Column<Boolean> column)
```
    Appends all the values in the argument to the bottom of this column and return this column
    
    Specified by:
    
    append in interface Column<Selection>
  - append
```
public Column<Boolean> append(Column<Boolean> column,
                              int row)
```
    Appends the value at the given row in the given column to the bottom of this column and return this column
    
    Specified by:
    
    append in interface Column<Selection>
  - set
```
public Column<Boolean> set(int row,
                           Column<Boolean> column,
                           int sourceRow)
```
    Sets the value at row to the value at sourceRow in the given column and return this column
    
    Specified by:
    
    set in interface Column<Selection>
  - asSelection
```
public Selection asSelection()
```
    Specified by:
    
    asSelection in interface BooleanMapUtils
  - isMissing
```
public Selection isMissing()
```
    Returns a selection containing an index for every missing value in this column
    
    Specified by:
    
    isMissing in interface BooleanFilters
    
    Specified by:
    
    isMissing in interface Column<Selection>
    
    Specified by:
    
    isMissing in interface FilterSpec<Selection>
  - isNotMissing
```
public Selection isNotMissing()
```
    Returns a selection containing an index for every non-missing value in this column
    
    Specified by:
    
    isNotMissing in interface BooleanFilters
    
    Specified by:
    
    isNotMissing in interface Column<Selection>
    
    Specified by:
    
    isNotMissing in interface FilterSpec<Selection>
  - iterator
```
public Iterator<Boolean> iterator()
```
    Specified by:
    
    iterator in interface Iterable<Selection>
  - byteIterator
```
public it.unimi.dsi.fastutil.bytes.ByteIterator byteIterator()
```
    Returns a ByteIterator for this column
  - asSet
```
public it.unimi.dsi.fastutil.booleans.BooleanSet asSet()
```
    Returns the values in this column as a BooleanSet instance
    
    Specified by:
    
    asSet in interface Column<Selection>
  - contains
```
public boolean contains(boolean aBoolean)
```
    Returns true if the column contains at least one value like aBoolean
  - byteSize
```
public int byteSize()
```
    Returns the width of a cell in this column, in bytes.
    
    Specified by:
    
    byteSize in interface Column<Selection>
    
    Returns:
    
    width in bytes
  - asBytes
```
public byte[] asBytes(int row)
```
    Returns the contents of the cell at rowNumber as a byte[].
    
    Specified by:
    
    asBytes in interface Column<Selection>
    
    Parameters:
    
    row - index of the row
    
    Returns:
    
    content as byte[]
  - where
```
public BooleanColumn where(Selection selection)
```
    Returns a new column containing the subset referenced by the Selection
    
    Specified by:
    
    where in interface Column<Selection>
  - removeMissing
```
public BooleanColumn removeMissing()
```
    Returns a copy of this column with the missing values removed
    
    Specified by:
    
    removeMissing in interface Column<Selection>
  - eval
```
public Selection eval(BytePredicate predicate)
```
    Returns a Selection of the elements that return true when the predicate is evaluated
  - eval
```
public Selection eval(Predicate<Boolean> predicate)
```
    Returns a Selection of the elements that return true when the predicate is evaluated
  - eval
```
public Selection eval(BiPredicate<Boolean,Boolean> predicate,
                      Boolean valueToCompare)
```
    Returns a Selection of the elements that return true when the predicate is evaluated with the given Boolean argument
  - asDoubleColumn
```
public DoubleColumn asDoubleColumn()
```
    Returns a DoubleColumn containing the elements in this column, with true as 1.0 and false as 0.0.
  - compare
```
public int compare(Boolean o1,
                   Boolean o2)
```
    Specified by:
    
    compare in interface Comparator<Selection>
  - fillWith
```
public BooleanColumn fillWith(it.unimi.dsi.fastutil.booleans.BooleanIterator iterator)
```
    Specified by:
    
    fillWith in interface BooleanFillers<BooleanColumn>
  - fillWith
```
public BooleanColumn fillWith(it.unimi.dsi.fastutil.booleans.BooleanIterable iterable)
```
    Specified by:
    
    fillWith in interface BooleanFillers<BooleanColumn>
  - fillWith
```
public BooleanColumn fillWith(Supplier<Boolean> supplier)
```
    Specified by:
    
    fillWith in interface BooleanFillers<BooleanColumn>
  - asObjectArray
```
public Boolean[] asObjectArray()
```
    Returns an array of objects as appropriate for my type of column
    
    Specified by:
    
    asObjectArray in interface Column<Selection>

Class BooleanColumn

Field Summary

Fields inherited from class tech.tablesaw.columns.AbstractColumn

Method Summary

Methods inherited from class tech.tablesaw.columns.AbstractColumn

Methods inherited from interface tech.tablesaw.columns.booleans.BooleanMapUtils

Methods inherited from interface tech.tablesaw.api.CategoricalColumn

Methods inherited from interface tech.tablesaw.columns.Column

Methods inherited from interface java.util.Comparator

Methods inherited from interface java.lang.Iterable

Methods inherited from class java.lang.Object

Field Detail

data

Method Detail

valueIsMissing

isMissing

setMissing

create

create

create

create

create

create

create

setPrintFormatter

getPrintFormatter

size

summary

countMissing

countUnique

unique

append

append

appendObj

append

appendMissing

valueHash

equals

getString

getUnformattedString

emptyCopy

emptyCopy

clear

copy

sortAscending

sortDescending

appendCell

appendCell

get

getByte

isEmpty

countTrue

countFalse

proportionTrue

proportionFalse

any

all

none

isFalse

isTrue

isEqualTo

data

set

set

set

lead

lag

set

set

getDouble

asDoubleArray

rowComparator

append

append

set

asSelection

isMissing

isNotMissing

iterator

byteIterator