Uses of Class
tech.tablesaw.api.CategoryColumn

Packages that use CategoryColumn

Package	Description
tech.tablesaw.api
tech.tablesaw.api.ml.association
tech.tablesaw.api.ml.classification
tech.tablesaw.filtering
tech.tablesaw.mapping
tech.tablesaw.store
tech.tablesaw.table

Uses of CategoryColumn in tech.tablesaw.api

Methods in tech.tablesaw.api that return CategoryColumn

Modifier and Type	Method and Description
CategoryColumn	CategoryColumn.appendString(CategoryColumn append) Return a copy of this column with the given string appended
CategoryColumn	CategoryColumn.appendString(String append) Return a copy of this column with the given string appended
CategoryColumn	CategoryColumn.copy()
CategoryColumn	DateColumn.dayOfWeek()
CategoryColumn	DateTimeColumn.dayOfWeek()
CategoryColumn	CategoryColumn.emptyCopy()
CategoryColumn	CategoryColumn.emptyCopy(int rowSize)
CategoryColumn	DateColumn.month()
CategoryColumn	DateTimeColumn.monthName()
CategoryColumn	CategoryColumn.replaceAll(String[] regexArray, String replacement) Creates a new column, replacing each string in this column with a new string formed by replacing any substring that matches the regex
CategoryColumn	CategoryColumn.selectIf(StringPredicate predicate)
CategoryColumn	CategoryColumn.tokenizeAndRemoveDuplicates()
CategoryColumn	CategoryColumn.tokenizeAndSort() Splits on Whitespace and returns the lexicographically sorted result
CategoryColumn	CategoryColumn.tokenizeAndSort(String separator)
CategoryColumn	CategoryColumn.unique() Returns a new Column containing all the unique values in this column

Methods in tech.tablesaw.api with parameters of type CategoryColumn

Modifier and Type	Method and Description
CategoryColumn	CategoryColumn.appendString(CategoryColumn append) Return a copy of this column with the given string appended
Table	Table.countBy(CategoryColumn column)

Uses of CategoryColumn in tech.tablesaw.api.ml.association

Constructors in tech.tablesaw.api.ml.association with parameters of type CategoryColumn

Constructor and Description
AssociationRuleMining(IntColumn sets, CategoryColumn items, double support)
FrequentItemset(IntColumn sets, CategoryColumn items, double support)
FrequentItemset(ShortColumn sets, CategoryColumn items, double support)

Uses of CategoryColumn in tech.tablesaw.api.ml.classification

Methods in tech.tablesaw.api.ml.classification with parameters of type CategoryColumn

Modifier and Type	Method and Description
static Lda	Lda.learn(CategoryColumn labels, double[] priors, double tolerance, NumericColumn... predictors)
static Lda	Lda.learn(CategoryColumn labels, double[] priors, NumericColumn... predictors)
static LogisticRegression	LogisticRegression.learn(CategoryColumn labels, double lambda, double tolerance, int maxIters, NumericColumn... predictors)
static LogisticRegression	LogisticRegression.learn(CategoryColumn labels, double lambda, NumericColumn... predictors)
static Lda	Lda.learn(CategoryColumn labels, NumericColumn... predictors)
static LogisticRegression	LogisticRegression.learn(CategoryColumn labels, NumericColumn... predictors)
static RandomForest	RandomForest.learn(int nTrees, CategoryColumn classes, NumericColumn... columns)
static DecisionTree	DecisionTree.learn(int nTrees, CategoryColumn classes, NumericColumn... columns)
static Knn	Knn.learn(int k, CategoryColumn labels, NumericColumn... predictors)
ConfusionMatrix	RandomForest.predictMatrix(CategoryColumn labels, NumericColumn... predictors)
ConfusionMatrix	Lda.predictMatrix(CategoryColumn labels, NumericColumn... predictors)
ConfusionMatrix	DecisionTree.predictMatrix(CategoryColumn labels, NumericColumn... predictors)
ConfusionMatrix	Knn.predictMatrix(CategoryColumn labels, NumericColumn... predictors)
ConfusionMatrix	LogisticRegression.predictMatrix(CategoryColumn labels, NumericColumn... predictors)

Constructors in tech.tablesaw.api.ml.classification with parameters of type CategoryColumn

Constructor and Description
CategoryConfusionMatrix(CategoryColumn labelColumn, SortedSet<String> labels)

Uses of CategoryColumn in tech.tablesaw.filtering

Constructors in tech.tablesaw.filtering with parameters of type CategoryColumn

Constructor and Description
StringIsIn(ColumnReference reference, CategoryColumn filterColumn)
StringIsNotIn(ColumnReference reference, CategoryColumn filterColumn)

Uses of CategoryColumn in tech.tablesaw.mapping

Methods in tech.tablesaw.mapping that return CategoryColumn

Modifier and Type	Method and Description
default CategoryColumn	StringMapUtils.abbreviate(int maxWidth)
default CategoryColumn	StringMapUtils.commonPrefix(Column column2)
default CategoryColumn	StringMapUtils.commonSuffix(Column column2)
default CategoryColumn	StringMapUtils.join(Column column2, String delimiter)
default CategoryColumn	StringMapUtils.lowerCase()
default CategoryColumn	StringMapUtils.padEnd(int minLength, char padChar)
default CategoryColumn	StringMapUtils.padStart(int minLength, char padChar)
default CategoryColumn	StringMapUtils.replaceAll(String regex, String replacement)
default CategoryColumn	StringMapUtils.replaceFirst(String regex, String replacement)
default CategoryColumn	StringMapUtils.substring(int start)
default CategoryColumn	StringMapUtils.substring(int start, int end)
default CategoryColumn	StringMapUtils.trim()
default CategoryColumn	StringMapUtils.upperCase() String utility functions.

Uses of CategoryColumn in tech.tablesaw.store

Methods in tech.tablesaw.store that return CategoryColumn

Modifier and Type	Method and Description
static CategoryColumn	StorageManager.readCategoryColumn(String fileName, ColumnMetadata metadata)

Methods in tech.tablesaw.store with parameters of type CategoryColumn

Modifier and Type	Method and Description
static void	StorageManager.writeColumn(String fileName, CategoryColumn column) Writes out the values of the category column encoded as ints to minimize the time required for subsequent reads

Uses of CategoryColumn in tech.tablesaw.table

Methods in tech.tablesaw.table that return CategoryColumn

Modifier and Type	Method and Description
default CategoryColumn	Relation.categoryColumn(int columnIndex)
CategoryColumn	TemporaryView.categoryColumn(int columnIndex)
default CategoryColumn	Relation.categoryColumn(String columnName)
CategoryColumn	TemporaryView.categoryColumn(String columnName)