unaryMinus

Returns a DataColumn containing negatives of the corresponding elements of this DataColumn.

The sign of each element in this DataColumn is flipped: positive values become negative, and negative values become positive.

For more information: See unaryMinus on the documentation website.

Example

// In a DataFrame of financial transactions,
// represent expenses as negative values
val expenses = -df.expenses

Returns a ColumnReference containing negatives of the corresponding elements of this ColumnReference.

The sign of each element in this ColumnReference is flipped: positive values become negative, and negative values become positive.

For more information: See unaryMinus on the documentation website.

Example

// In a DataFrame of financial transactions,
// represent expenses as negative values
val expenses = -df.expenses

Returns a DataColumn containing negatives of the corresponding elements of this DataColumn.

The sign of each element in this DataColumn is flipped: positive values become negative, and negative values become positive.

null values are not changed by this operation.

For more information: See unaryMinus on the documentation website.

Example

// In a DataFrame of financial transactions,
// represent expenses as negative values
val expenses = -df.expenses