Method: Daru::Category#replace_values

Defined in:
lib/daru/category.rb

#replace_values(old_values, new_value) ⇒ Daru::Vector

Note:

It performs the replace in place.

Replaces specified values with a new value

Examples:

dv = Daru::Vector.new [1, 2, :a, :b]
dv.replace_values [:a, :b], nil
dv
# =>
# #<Daru::Vector:19903200 @name = nil @metadata = {} @size = 4 >
#     nil
#   0   1
#   1   2
#   2 nil
#   3 nil

Parameters:

  • old_values (Array) —

    array of values to replace

  • new_value (object) —

    new value to replace with

Returns:

  • (Daru::Vector) —

    Same vector itself with values replaced with new value



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# File 'lib/daru/category.rb', line 733

def replace_values old_values, new_value
  old_values = [old_values] unless old_values.is_a? Array
  rename_hash = old_values.map { |v| [v, new_value] }.to_h
  rename_categories rename_hash
end