bio_expression.DefineVariable Class Reference

Class representing the definition of a new variable. More...

Inheritance diagram for bio_expression.DefineVariable:

Public Member Functions
def	__init__ (self, name, expression)
def	getExpression (self)
Public Member Functions inherited from bio_expression.Expression
def	__init__ (self)
	Constructor.
def	getExpression (self)
def	getID (self)
def	__str__ (self)
def	__neg__ (self)
def	__add__ (self, expression)
def	__radd__ (self, expression)
def	__sub__ (self, expression)
def	__rsub__ (self, expression)
def	__mul__ (self, expression)
def	__rmul__ (self, expression)
def	__div__ (self, expression)
def	__rdiv__ (self, expression)
def	__truediv__ (self, expression)
	Support for Python version 3.x. More...
def	__rtruediv__ (self, expression)
	Support for Python version 3.x. More...
def	__mod__ (self, expression)
def	__pow__ (self, expression)
def	__rpow__ (self, expression)
def	__and__ (self, expression)
def	__or__ (self, expression)
def	__eq__ (self, expression)
def	__ne__ (self, expression)
def	__le__ (self, expression)
def	__ge__ (self, expression)
def	__lt__ (self, expression)
def	__gt__ (self, expression)

Public Attributes
	name
	expression
	operatorIndex
Public Attributes inherited from bio_expression.Expression
	operatorIndex

Detailed Description

Class representing the definition of a new variable.

Defining a new variable is equivalent to add a column to the data file. Note that the expression defining the new variable is computed during the processing of the data file, before the estimation, so that it saves computational time to define variables using this technique. Example:

TRAIN_TT_SCALED = DefineVariable('TRAIN_TT_SCALED', TRAIN_TT / 100.0)

will result in a more efficient estimation than the statement:

TRAIN_TT_SCALED = TRAIN_TT / 100.0

Definition at line 317 of file bio_expression.py.

Constructor & Destructor Documentation

def bio_expression.DefineVariable.__init__	(		self,
			name,
			expression
	)

Parameters

name	name of the variable
expression	expression to compute the value of the variable

Definition at line 320 of file bio_expression.py.

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The documentation for this class was generated from the following file:

• bio_expression.py