new signatures for moran (w/o significance)

src/pg/sql/10_moran.sql

@@ -1,37 +1,89 @@
--- Moran's I
+-- Moran's I (global)
 CREATE OR REPLACE FUNCTION
-  cdb_moran_local (
-      t TEXT,
-  	  attr TEXT,
-  	  significance float DEFAULT 0.05,
-  	  num_ngbrs INT DEFAULT 5,
+  cdb_moran (
+      subquery TEXT,
+      attr_name TEXT,
       permutations INT DEFAULT 99,
-  	  geom_column TEXT DEFAULT 'the_geom',
+      geom_col TEXT DEFAULT 'the_geom',
       id_col TEXT DEFAULT 'cartodb_id',
-      w_type TEXT DEFAULT 'knn')
+      w_type TEXT DEFAULT 'knn',
+      num_ngbrs INT DEFAULT 5)
 RETURNS TABLE (moran FLOAT, quads TEXT, significance FLOAT, ids INT)
 AS $$
-  plpy.execute('SELECT cdb_crankshaft._cdb_crankshaft_activate_py()')
   from crankshaft.clustering import moran_local
-  # TODO: use named parameters or a dictionary
-  return moran_local(t, attr, significance, num_ngbrs, permutations, geom_column, id_col, w_type)
+  # TODO: use named parameters or a dictionary
+  return moran(subquery, attr, num_ngbrs, permutations, geom_col, id_col, w_type)
 $$ LANGUAGE plpythonu;
 
+-- Moran's I Local
+CREATE OR REPLACE FUNCTION
+  cdb_moran_local (
+      subquery TEXT,
+      attr TEXT,
+      permutations INT DEFAULT 99,
+      geom_col TEXT DEFAULT 'the_geom',
+      id_col TEXT DEFAULT 'cartodb_id',
+      w_type TEXT DEFAULT 'knn',
+      num_ngbrs INT DEFAULT 5)
+RETURNS TABLE (moran NUMERIC, quads TEXT, significance NUMERIC, ids INT, y NUMERIC)
+AS $$
+  from crankshaft.clustering import moran_local
+  # TODO: use named parameters or a dictionary
+  return moran_local(subquery, attr, permutations, geom_col, id_col, w_type, num_ngbrs)
+$$ LANGUAGE plpythonu;
+
+-- Moran's I Rate (global)
+CREATE OR REPLACE FUNCTION
+  cdb_moran_rate (
+      subquery TEXT,
+      numerator TEXT,
+      denominator TEXT,
+      permutations INT DEFAULT 99,
+      geom_col TEXT DEFAULT 'the_geom',
+      id_col TEXT DEFAULT 'cartodb_id',
+      w_type TEXT DEFAULT 'knn',
+      num_ngbrs INT DEFAULT 5)
+RETURNS TABLE (moran FLOAT, quads TEXT, significance FLOAT, ids INT)
+AS $$
+  from crankshaft.clustering import moran_local
+  # TODO: use named parameters or a dictionary
+  return moran_rate(subquery, numerator, denominator, permutations, geom_col, id_col, w_type, num_ngbrs)
+$$ LANGUAGE plpythonu;
+
+
 -- Moran's I Local Rate
 CREATE OR REPLACE FUNCTION
-  cdb_moran_local_rate(t TEXT,
+  cdb_moran_local_rate(
+      subquery TEXT,
       numerator TEXT,
       denominator TEXT,
-		 significance FLOAT DEFAULT 0.05,
-		 num_ngbrs INT DEFAULT 5,
       permutations INT DEFAULT 99,
-		 geom_column TEXT DEFAULT 'the_geom',
+      geom_col TEXT DEFAULT 'the_geom',
       id_col TEXT DEFAULT 'cartodb_id',
-		 w_type TEXT DEFAULT 'knn')
-RETURNS TABLE(moran FLOAT, quads TEXT, significance FLOAT, ids INT, y numeric)
+      w_type TEXT DEFAULT 'knn',
+      num_ngbrs INT DEFAULT 5)
+RETURNS
+TABLE(moran NUMERIC, quads TEXT, significance NUMERIC, ids INT, y NUMERIC)
 AS $$
-  plpy.execute('SELECT cdb_crankshaft._cdb_crankshaft_activate_py()')
   from crankshaft.clustering import moran_local_rate
-  # TODO: use named parameters or a dictionary
-  return moran_local_rate(t, numerator, denominator, significance, num_ngbrs, permutations, geom_column, id_col, w_type)
+  # TODO: use named parameters or a dictionary
+  return moran_local_rate(subquery, numerator, denominator, permutations, geom_col, id_col, w_type, num_ngbrs)
 $$ LANGUAGE plpythonu;
+
+-- -- Moran's I Local Bivariate
+-- CREATE OR REPLACE FUNCTION
+--   cdb_moran_local_bv(
+--       subquery TEXT,
+--       attr1 TEXT,
+--       attr2 TEXT,
+--       permutations INT DEFAULT 99,
+--       geom_col TEXT DEFAULT 'the_geom',
+--       id_col TEXT DEFAULT 'cartodb_id',
+--       w_type TEXT DEFAULT 'knn',
+--       num_ngbrs INT DEFAULT 5)
+-- RETURNS TABLE(moran FLOAT, quads TEXT, significance FLOAT, ids INT, y numeric)
+-- AS $$
+--   from crankshaft.clustering import moran_local_bv
+--   # TODO: use named parameters or a dictionary
+--   return moran_local_bv(t, attr1, attr2, permutations, geom_col, id_col, w_type, num_ngbrs)
+-- $$ LANGUAGE plpythonu;