DataFrameColumn
Object
–> DataFrameColumn
A collection of values that represent a column in a DataFrame
.
Properties
DataType
- The type of data this column holds.Item(length, startIndex)
- Returns length number of values starting from startIndex.Item(rowIndex)
- Get/set values at rowIndex.Length
- The length of this column.Name
- The name of this column.NullCount
- The number of null values in this column.
Methods
AddDataViewColumn
AddValueUsingCursor
All
- Boolean if all the elements are True.Any
- Boolean if any element is True.Clamp
Clone
- Produce a copy of the column.Create
- Create a StringDataFrameColumn or PrimitiveDataFrameColumn.- Uses type inference.
FillNulls
Filter
GetDataViewGetter
GetEnumeratorCore
- Returns an enumerator that iterates this column.GetValue(rowIndex)
GetValues(length, startIndex)
- Return length values starting from startIndex.GroupColumnValues
Info
IsNumericColumn
SetName
- Sets the name of this column.SetValue(rowIndex, value)
- Sets the value at rowIndex to value.ValueCounts
- Returns a DataFrame containing counts of unique values.
Mathematical Methods
Abs
Add
And
Divide
Modulo
Multiply
Or
Product
Subtract
Xor
Statistical Methods
CumulativeMax
CumulativeMin
CumulativeProduct
CumulativeSum
Description
Max
Mean
Median
Min
Round
Sum