Add pythonic aliases for comparison predicates.

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+### v0.17.6
+* Add pythonic aliases for comparison predicates.
+
 ### v0.17.5
 * Eliminated deprecation warnings involved arrays containing arrays/sequences.
 * Changed the column type of a table after a remove operation back to a NumPy array, as written in the documentation.

datascience/predicates.py

@@ -211,6 +211,49 @@ def not_containing(substring):
     def not_contained_in(superstring):
         """A string that is not contained within the superstring"""
         return -(are.contained_in(superstring))
+
+    ###############
+    #   Aliases   #
+    ###############
+
+    @staticmethod
+    def less_than(y):
+        """Less than y."""
+        return are.below(y)
+
+    @staticmethod
+    def greater_than(y):
+        """Greater than y."""
+        return are.above(y)
+
+    @staticmethod
+    def greater_than_or_equal_to(y):
+        return are.above_or_equal_to(y)
+
+    @staticmethod
+    def less_than_or_equal_to(y):
+        return are.below_or_equal_to(y)
+
+    @staticmethod
+    def not_greater_than_or_equal_to(y):
+        """Is neither above y nor equal to y"""
+        return are.not_above_or_equal_to(y)
+
+    @staticmethod
+    def not_less_than_or_equal_to(y):
+        """Is neither below y nor equal to y"""
+        return are.not_below_or_equal_to(y)
+
+    @staticmethod
+    def not_greater_than(y):
+        """Is not above y"""
+        return are.not_above(y)
+
+    @staticmethod
+    def not_less_than(y):
+        """Is not below y"""
+        return are.not_below(y)
+
 ###############
 # Combination #
 ###############