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adds new private functions

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This commit is contained in:
Andy Eschbacher 2018-02-27 14:24:26 -05:00
parent ba875bc50b
commit 46d3375ea3
1 changed files with 57 additions and 7 deletions
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64
src/pg/sql/10_moran.sql
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@ -17,7 +17,7 @@ AS $$
num_ngbrs, permutations, geom_col, id_col)
$$ LANGUAGE plpythonu VOLATILE PARALLEL UNSAFE;
-- Moran's I Local (internal function)
-- Moran's I Local (internal function) - DEPRECATED
CREATE OR REPLACE FUNCTION
_CDB_AreasOfInterestLocal(
subquery TEXT,
@ -27,6 +27,29 @@ CREATE OR REPLACE FUNCTION
permutations INT,
geom_col TEXT,
id_col TEXT)
RETURNS TABLE (
moran NUMERIC,
quads TEXT,
significance NUMERIC,
rowid INT,
vals NUMERIC)
AS $$
from crankshaft.clustering import Moran
moran = Moran()
return moran.local_stat(subquery, column_name, w_type,
num_ngbrs, permutations, geom_col, id_col)
$$ LANGUAGE plpythonu VOLATILE PARALLEL UNSAFE;
-- Moran's I Local (internal function)
CREATE OR REPLACE FUNCTION
_CDB_MoransILocal(
subquery TEXT,
column_name TEXT,
w_type TEXT,
num_ngbrs INT,
permutations INT,
geom_col TEXT,
id_col TEXT)
RETURNS TABLE (
moran NUMERIC,
quads TEXT,
@ -42,7 +65,8 @@ AS $$
$$ LANGUAGE plpythonu VOLATILE PARALLEL UNSAFE;
-- Moran's I Local (public-facing function) - deprecated
-- Moran's I Local (public-facing function)
-- Replaces CDB_AreasOfInterestLocal
CREATE OR REPLACE FUNCTION
CDB_MoransILocal(
subquery TEXT,
@ -62,7 +86,7 @@ RETURNS TABLE (
AS $$
SELECT moran, quads, significance, rowid, vals, spatial_lag
FROM cdb_crankshaft._CDB_AreasOfInterestLocal(
FROM cdb_crankshaft._CDB_MoransILocal(
subquery, column_name, w_type,
num_ngbrs, permutations, geom_col, id_col);
@ -164,7 +188,7 @@ AS $$
$$ LANGUAGE plpythonu VOLATILE PARALLEL UNSAFE;
-- Moran's I Local Rate (internal function)
-- Moran's I Local Rate (internal function) - DEPRECATED
CREATE OR REPLACE FUNCTION
_CDB_AreasOfInterestLocalRate(
subquery TEXT,
@ -181,8 +205,7 @@ TABLE(
quads TEXT,
significance NUMERIC,
rowid INT,
vals NUMERIC,
spatial_lag NUMERIC)
vals NUMERIC)
AS $$
from crankshaft.clustering import Moran
moran = Moran()
@ -210,6 +233,33 @@ AS $$
$$ LANGUAGE SQL VOLATILE PARALLEL UNSAFE;
-- Internal function
CREATE OR REPLACE FUNCTION
_CDB_MoransILocalRate(
subquery TEXT,
numerator TEXT,
denominator TEXT,
w_type TEXT,
num_ngbrs INT,
permutations INT,
geom_col TEXT,
id_col TEXT)
RETURNS
TABLE(
moran NUMERIC,
quads TEXT,
significance NUMERIC,
rowid INT,
vals NUMERIC,
spatial_lag NUMERIC)
AS $$
from crankshaft.clustering import Moran
moran = Moran()
# TODO: use named parameters or a dictionary
return moran.local_rate_stat(subquery, numerator, denominator, w_type, num_ngbrs, permutations, geom_col, id_col)
$$ LANGUAGE plpythonu VOLATILE PARALLEL UNSAFE;
-- Moran's I Rate
-- Replaces CDB_AreasOfInterestLocalRate
CREATE OR REPLACE FUNCTION
CDB_MoransILocalRate(
@ -232,7 +282,7 @@ TABLE(
AS $$
SELECT moran, quads, significance, rowid, vals, spatial_lag
FROM cdb_crankshaft._CDB_AreasOfInterestLocalRate(
FROM cdb_crankshaft._CDB_MoransILocalRate(
subquery, numerator, denominator, w_type,
num_ngbrs, permutations, geom_col, id_col);