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