From 0e2ea9927da0e3e41e30d5a702731198bbbb61bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=C3=B4nio=20C=C3=A2ndido?= <petronio.candido@gmail.com>
Date: Wed, 28 Feb 2018 14:40:03 -0300
Subject: [PATCH]  - Initial infrastructure for multivariate methods

---
 pyFTS/models/multivariate/FLR.py      | 22 ++++++++++++++++++++++
 pyFTS/models/multivariate/__init__.py |  0
 pyFTS/models/multivariate/common.py   | 26 ++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 pyFTS/models/multivariate/FLR.py
 create mode 100644 pyFTS/models/multivariate/__init__.py
 create mode 100644 pyFTS/models/multivariate/common.py

diff --git a/pyFTS/models/multivariate/FLR.py b/pyFTS/models/multivariate/FLR.py
new file mode 100644
index 0000000..8747086
--- /dev/null
+++ b/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
\ No newline at end of file
diff --git a/pyFTS/models/multivariate/__init__.py b/pyFTS/models/multivariate/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/pyFTS/models/multivariate/common.py b/pyFTS/models/multivariate/common.py
new file mode 100644
index 0000000..934bf78
--- /dev/null
+++ b/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)
+
+