CharDataFrameColumn Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
public class CharDataFrameColumn : Microsoft.Data.Analysis.PrimitiveDataFrameColumn<char>type CharDataFrameColumn = class
inherit PrimitiveDataFrameColumn<char>Public Class CharDataFrameColumn
Inherits PrimitiveDataFrameColumn(Of Char)- Inheritance
Constructors
Properties
| DataType |
The type of data this column holds. (Inherited from DataFrameColumn) |
| Item[Int64, Int32] | (Inherited from PrimitiveDataFrameColumn<T>) |
| Item[Int64] | (Inherited from PrimitiveDataFrameColumn<T>) |
| Length |
The length of this column (Inherited from DataFrameColumn) |
| Name |
The column name. (Inherited from DataFrameColumn) |
| NullCount | (Inherited from PrimitiveDataFrameColumn<T>) |
Methods
| Abs(Boolean) |
Updates each numeric element with its absolute numeric value (Inherited from PrimitiveDataFrameColumn<T>) |
| Add(DataFrameColumn, Boolean) |
Performs element-wise addition (Inherited from PrimitiveDataFrameColumn<T>) |
| Add<U>(U, Boolean) |
Performs an element-wise addition on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| AddDataViewColumn(DataViewSchema+Builder) | (Inherited from PrimitiveDataFrameColumn<T>) |
| AddValueUsingCursor(DataViewRowCursor, Delegate) | (Inherited from PrimitiveDataFrameColumn<T>) |
| All() |
Returns whether all the elements are True (Inherited from PrimitiveDataFrameColumn<T>) |
| And(Boolean, Boolean) |
Performs an element-wise boolean And on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| And(DataFrameColumn, Boolean) |
Performs element-wise boolean And (Inherited from PrimitiveDataFrameColumn<T>) |
| Any() |
Returns whether any element is True (Inherited from PrimitiveDataFrameColumn<T>) |
| Append(Nullable<T>) | (Inherited from PrimitiveDataFrameColumn<T>) |
| AppendMany(Nullable<T>, Int64) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Apply<TResult>(Func<Nullable<T>,Nullable<TResult>>) |
Applies a function to all the values (Inherited from PrimitiveDataFrameColumn<T>) |
| ApplyElementwise(Func<Nullable<T>,Int64,Nullable<T>>) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Clamp(T, T, Boolean) |
Clamps values beyond the specified thresholds (Inherited from PrimitiveDataFrameColumn<T>) |
| Clamp<U>(U, U, Boolean) |
Clamps values beyond the specified thresholds (Inherited from DataFrameColumn) |
| ClampImplementation<U>(U, U, Boolean) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Clone(DataFrameColumn, Boolean, Int64) |
Returns a clone of this column (Inherited from PrimitiveDataFrameColumn<T>) |
| Clone(IEnumerable<Int32>) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Clone(IEnumerable<Int64>) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Clone(PrimitiveDataFrameColumn<Int32>, Boolean) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Clone(PrimitiveDataFrameColumn<Int64>, Boolean) | (Inherited from PrimitiveDataFrameColumn<T>) |
| CloneImplementation(DataFrameColumn, Boolean, Int64) |
Clone column to produce a copy potentially changing the order of values by supplying mapIndices and an invert flag (Inherited from PrimitiveDataFrameColumn<T>) |
| CreateNewColumn(String, Int64) | |
| CumulativeMax(Boolean) |
Updates each element with its cumulative maximum (Inherited from PrimitiveDataFrameColumn<T>) |
| CumulativeMax(IEnumerable<Int64>, Boolean) |
Updates column values at rowIndices with its cumulative rowIndices maximum (Inherited from PrimitiveDataFrameColumn<T>) |
| CumulativeMin(Boolean) |
Updates each element with its cumulative minimum (Inherited from PrimitiveDataFrameColumn<T>) |
| CumulativeMin(IEnumerable<Int64>, Boolean) |
Updates column values at rowIndices with its cumulative rowIndices minimum (Inherited from PrimitiveDataFrameColumn<T>) |
| CumulativeProduct(Boolean) |
Updates each element with its cumulative product (Inherited from PrimitiveDataFrameColumn<T>) |
| CumulativeProduct(IEnumerable<Int64>, Boolean) |
Updates column values at rowIndices with its cumulative rowIndices product (Inherited from PrimitiveDataFrameColumn<T>) |
| CumulativeSum(Boolean) |
Updates each element with its cumulative sum (Inherited from PrimitiveDataFrameColumn<T>) |
| CumulativeSum(IEnumerable<Int64>, Boolean) |
Updates column values at rowIndices with its cumulative rowIndices sum (Inherited from PrimitiveDataFrameColumn<T>) |
| Description() | (Inherited from PrimitiveDataFrameColumn<T>) |
| Divide(DataFrameColumn, Boolean) |
Performs element-wise division (Inherited from PrimitiveDataFrameColumn<T>) |
| Divide<U>(U, Boolean) |
Performs an element-wise division on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseEquals(DataFrameColumn) |
Performs element-wise equals (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseEquals<U>(U) |
Performs an element-wise equals on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseGreaterThan(DataFrameColumn) |
Performs element-wise greater than (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseGreaterThan<U>(U) |
Performs an element-wise greater than on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseGreaterThanOrEqual(DataFrameColumn) |
Performs element-wise greater than or equal (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseGreaterThanOrEqual<U>(U) |
Performs an element-wise greater than or equal on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseIsNotNull() | (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseIsNull() | (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseLessThan(DataFrameColumn) |
Performs element-wise less than (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseLessThan<U>(U) |
Performs an element-wise less than on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseLessThanOrEqual(DataFrameColumn) |
Performs element-wise less than or equal (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseLessThanOrEqual<U>(U) |
Performs an element-wise less than or equal on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseNotEquals(DataFrameColumn) |
Performs element-wise not-equals (Inherited from PrimitiveDataFrameColumn<T>) |
| ElementwiseNotEquals<U>(U) |
Performs an element-wise not-equals on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| FillNulls(Object, Boolean) |
Returns a new column with |
| FillNulls(T, Boolean) |
Returns a new column with nulls replaced by value (Inherited from PrimitiveDataFrameColumn<T>) |
| FillNullsImplementation(Object, Boolean) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Filter(T, T) |
Returns a new column filtered by the lower and upper bounds (Inherited from PrimitiveDataFrameColumn<T>) |
| Filter<U>(U, U) |
Returns a new column filtered by the lower and upper bounds (Inherited from DataFrameColumn) |
| FilterImplementation<U>(U, U) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetArrowField() | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetDataViewGetter(DataViewRowCursor) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetEnumerator() | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetEnumeratorCore() | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetGroupedOccurrences(DataFrameColumn, HashSet<Int64>) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetGroupedOccurrences<TKey>(DataFrameColumn, HashSet<Int64>) |
Get occurences of each value from this column in other column, grouped by this value (Inherited from DataFrameColumn) |
| GetMaxRecordBatchLength(Int64) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetReadOnlyDataBuffers() |
Returns an enumerable of immutable memory buffers representing the underlying values (Inherited from PrimitiveDataFrameColumn<T>) |
| GetReadOnlyNullBitMapBuffers() |
Returns an enumerable of immutable ReadOnlyMemory<T> buffers representing |
| GetTypedValue(Int64) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetValue(Int64) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetValueGetterUsingCursor(DataViewRowCursor, DataViewSchema+Column) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GetValues(Int64, Int32) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GroupBy(Int32, DataFrame) | (Inherited from PrimitiveDataFrameColumn<T>) |
| GroupColumnValues<TKey>(HashSet<Int64>) | (Inherited from PrimitiveDataFrameColumn<T>) |
| HasDescription() |
Used to exclude columns from the Description method (Inherited from PrimitiveDataFrameColumn<T>) |
| Info() |
Returns a StringDataFrameColumn containing the DataType and Length of this column (Inherited from DataFrameColumn) |
| IsNumericColumn() | (Inherited from PrimitiveDataFrameColumn<T>) |
| IsValid(Int64) | (Inherited from PrimitiveDataFrameColumn<T>) |
| LeftShift(Int32, Boolean) |
Performs an element-wise left shift on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Max() |
Returns the maximum of the values in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Max(IEnumerable<Int64>) |
Returns the maximum of the values at rowIndices (Inherited from PrimitiveDataFrameColumn<T>) |
| Mean() | (Inherited from PrimitiveDataFrameColumn<T>) |
| Median() | (Inherited from PrimitiveDataFrameColumn<T>) |
| Min() |
Returns the minimum of the values in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Min(IEnumerable<Int64>) |
Returns the minimum of the values at the rowIndices (Inherited from PrimitiveDataFrameColumn<T>) |
| Modulo(DataFrameColumn, Boolean) |
Performs element-wise modulus (Inherited from PrimitiveDataFrameColumn<T>) |
| Modulo<U>(U, Boolean) |
Performs an element-wise modulus operation on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Multiply(DataFrameColumn, Boolean) |
Performs element-wise multiplication (Inherited from PrimitiveDataFrameColumn<T>) |
| Multiply<U>(U, Boolean) |
Performs an element-wise multiplication on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Or(Boolean, Boolean) |
Performs an element-wise boolean Or on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Or(DataFrameColumn, Boolean) |
Performs element-wise boolean Or (Inherited from PrimitiveDataFrameColumn<T>) |
| Product() |
Returns the product of the values in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Product(IEnumerable<Int64>) |
Returns the product of the values at the rowIndices (Inherited from PrimitiveDataFrameColumn<T>) |
| Resize(Int64) | (Inherited from PrimitiveDataFrameColumn<T>) |
| ReverseAdd<U>(U, Boolean) |
Performs a reversed element-wise addition on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ReverseAnd(Boolean, Boolean) |
Performs a reversed element-wise boolean And on each value in the column (Inherited from DataFrameColumn) |
| ReverseDivide<U>(U, Boolean) |
Performs a reversed element-wise division on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ReverseModulo<U>(U, Boolean) |
Performs a reversed element-wise modulus operation on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ReverseMultiply<U>(U, Boolean) |
Performs a reversed element-wise multiplication on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ReverseOr(Boolean, Boolean) |
Performs a reversed element-wise boolean Or on each value in the column (Inherited from DataFrameColumn) |
| ReverseSubtract<U>(U, Boolean) |
Performs a reversed element-wise subtraction on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| ReverseXor(Boolean, Boolean) |
Performs a reversed element-wise boolean Xor on each value in the column (Inherited from DataFrameColumn) |
| RightShift(Int32, Boolean) |
Performs an element-wise right shift on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Round(Boolean) |
Calls Math.Round on each value in a column (Inherited from PrimitiveDataFrameColumn<T>) |
| SetName(String, DataFrame) |
Obsolete.
Updates the name of this column. (Inherited from DataFrameColumn) |
| SetName(String) |
Updates the column name. (Inherited from DataFrameColumn) |
| SetValue(Int64, Object) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Sort(Boolean) | (Inherited from PrimitiveDataFrameColumn<T>) |
| Subtract(DataFrameColumn, Boolean) |
Performs element-wise subtraction (Inherited from PrimitiveDataFrameColumn<T>) |
| Subtract<U>(U, Boolean) |
Performs an element-wise subtraction on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Sum() |
Returns the sum of the values in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Sum(IEnumerable<Int64>) |
Returns the sum of the values at the rowIndices (Inherited from PrimitiveDataFrameColumn<T>) |
| ToArrowArray(Int64, Int32) | (Inherited from PrimitiveDataFrameColumn<T>) |
| ToString() |
Returns a preview of the column contents as a formatted string. (Inherited from PrimitiveDataFrameColumn<T>) |
| ValueCounts() | (Inherited from PrimitiveDataFrameColumn<T>) |
| Xor(Boolean, Boolean) |
Performs an element-wise boolean Xor on each value in the column (Inherited from PrimitiveDataFrameColumn<T>) |
| Xor(DataFrameColumn, Boolean) |
Performs element-wise boolean Xor (Inherited from PrimitiveDataFrameColumn<T>) |
Explicit Interface Implementations
| IEnumerable.GetEnumerator() | (Inherited from DataFrameColumn) |