`dataFrame.column.compare — eq()`

Description

The eq() method of the compare object returns a boolean mask indicating which rows contain exactly the specified value.

Signature

dataFrame.column(columnName).compare.eq(value)

Scope: column
Family: compare
Returns: mask

Arguments

columnName (string): The name of the column to compare values from.
value (any): The value to compare against.

Returns

mask ( boolean[] )

A boolean mask indicating the rows whose values are equal to the specified value.

Equal to the value: 1
Otherwise: 0

Example

// higlight rows where the column 'name' contains exactly 'john'
var mask = df.column('name').compare.eq('john');

// set mask to dataFrame
df.column('eq_john').set(mask)