- Initial infrastructure for multivariate methods

pyFTS/models/multivariate/FLR.py

@@ -0,0 +1,22 @@
+
+
+class FLR(object):
+    """Multivariate Fuzzy Logical Relationship"""
+
+    def __init__(self):
+        """
+        Creates a Fuzzy Logical Relationship
+        :param LHS: Left Hand Side fuzzy set
+        :param RHS: Right Hand Side fuzzy set
+        """
+        self.LHS = {}
+        self.RHS = None
+
+    def set_lhs(self,var,set):
+        self.LHS[var] = set
+
+    def set_rhs(self, set):
+        self.RHS = set
+
+    def __str__(self):
+        return str([k.name for k in self.LHS]) + " -> " + self.RHS.name

pyFTS/models/multivariate/common.py

@@ -0,0 +1,26 @@
+from pyFTS.common import fts
+
+
+class Variable:
+    def __init__(self,name, **kwargs):
+        self.name = name
+        self.alias = kwargs.get('alias', self.name)
+        self.data_label = kwargs.get('alias', self.name)
+        self.partitioner = kwargs.get('partitioner',None)
+        self.type = kwargs.get('type', 'common')
+        self.transformation = kwargs.get('transformation', None)
+
+    def __str__(self):
+        return self.name
+
+
+class MVFTS(fts.FTS):
+    def __init__(self, name, **kwargs):
+        super(MVFTS, self).__init__(1, name, **kwargs)
+        self.explanatory_variables = []
+        self.target_variable = None
+
+    def append_variable(self, var):
+        self.explanatory_variables.append(var)
+
+