Module: R::IndexedObject

Included in:
DataFrame, Environment, Language, List, Vector
Defined in:
lib/R_interface/rindexed_object.rb

Overview

Instance Method Summary collapse

Instance Method Details

#[](index) ⇒ Object

subset a vector with an index

Parameters:

  • index (Array) —

    The vector index.



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# File 'lib/R_interface/rindexed_object.rb', line 37

def [](index)

  # dealing with double indexing function '[['
  if (index.is_a? Array)
    R::Support.exec_function(R::Support.dbk_index, @r_interop, *index)
  else
    R::Support.exec_function_name("`[`", @r_interop, index)
  end
end

#[]=(index, values) ⇒ Object

subset assign a vector with an index to a value index can span multiple values, for ex., R.c(2, 3, 5)

Parameters:

  • index (Array) —

    The vector index

  • values (R::Object) —

    The values to assign to the index. Note that



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# File 'lib/R_interface/rindexed_object.rb', line 55

def []=(index, values)

  # dealing with double indexing function '[['
  if (index.is_a? Array)
    setR_name("`[[<-`", *index, values)
  else
    setR_name("`[<-`", index, values)
  end
  
  self
  
end

#size ⇒ Object 



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# File 'lib/R_interface/rindexed_object.rb', line 72

def size
  length >> 0
end