def to_pojo(self, pojo_name="", path="", get_jar=True):
if pojo_name == "":
pojo_name = unicode("AssemblyPOJO_" + str(uuid.uuid4()))
java = H2OConnection.get("Assembly.java/" + self.id + "/" + pojo_name, _rest_version=99)
file_path = path + "/" + pojo_name + ".java"
if path == "":
print java.text
else:
with open(file_path, "wb") as f:
f.write(java.text)
if get_jar and path != "":
url = H2OConnection.make_url("h2o-genmodel.jar")
filename = path + "/" + "h2o-genmodel.jar"
response = urllib2.urlopen(url)
with open(filename, "wb") as f:
f.write(response.read())
def fit(self, fr, **fit_params):
res = []
for step in self.steps:
res.append(step[1].to_rest(step[0]))
res = "[" + ",".join([_quoted(r.replace('"', "'")) for r in res]) + "]"
j = H2OConnection.post_json(url_suffix="Assembly", steps=res, frame=fr.frame_id, _rest_version=99)
self.id = j["assembly"]["name"]
return get_frame(j["result"]["name"])
def to_pojo(self, pojo_name="", path="", get_jar=True):
if pojo_name == "":
pojo_name = unicode("AssemblyPOJO_" + str(uuid.uuid4()))
java = H2OConnection.get("Assembly.java/" + self.id + "/" + pojo_name,
_rest_version=99)
file_path = path + "/" + pojo_name + ".java"
if path == "": print java.text
else:
def fit(self, fr, **fit_params):
res = []
for step in self.steps:
res.append(step[1].to_rest(step[0]))
res = "[" + ",".join([_quoted(r.replace('"', "'")) for r in res]) + "]"
j = H2OConnection.post_json(url_suffix="Assembly",
steps=res,
frame=fr.frame_id,
_rest_version=99)
self.id = j["assembly"]["name"]
return get_frame(j["result"]["name"])
def model_performance(self, test_data=None):
"""
Compute the binary classifier model metrics on `test_data`
:param test_data: An H2OFrame
:return: A H2OBinomialMetrics object; prints model metrics summary
"""
if not test_data:
raise ValueError("Missing`test_data`.")
if not isinstance(test_data, H2OFrame):
raise ValueError("`test_data` must be of type H2OFrame. Got: " +
type(test_data))
fr_key = H2OFrame.send_frame(test_data)
url_suffix = "ModelMetrics/models/" + self._key + "/frames/" + fr_key
res = H2OConnection.post_json(url_suffix=url_suffix)
raw_metrics = res["model_metrics"][0]
return H2OBinomialModelMetrics(raw_metrics)
def to_pojo(self, pojo_name="", path=""):
if pojo_name=="": pojo_name = unicode("AssemblyPOJO_" + str(uuid.uuid4()))
java = H2OConnection.get("Assembly.java/" + self.id + "/" + pojo_name, _rest_version=99)
file_path = path + "/" + pojo_name + ".java"
if path == "": print java.text
else:
@property
def names(self):
return zip(*self.steps)[0][:-1]
def to_pojo(self, pojo_name="", path="", get_jar=True):
if pojo_name == "":
pojo_name = unicode("AssemblyPOJO_" + str(uuid.uuid4()))
java = H2OConnection.get("Assembly.java/" + self.id + "/" + pojo_name,
_rest_version=99)
file_path = path + "/" + pojo_name + ".java"
if path == "": print java.text
else:
with open(file_path, 'wb') as f:
f.write(java.text)
if get_jar and path != "":
url = H2OConnection.make_url("h2o-genmodel.jar")
filename = path + "/" + "h2o-genmodel.jar"
response = urllib2.urlopen(url)
with open(filename, "wb") as f:
f.write(response.read())
# def union(self, assemblies):
# # fuse the assemblies onto this one, each is added to the end going left -> right
# # assemblies must be a list of namedtuples.
# # [(H2OAssembly, X, y, {params}), ..., (H2OAssembly, X, y, {params})]
# for i in assemblies:
# if not isinstance(i, namedtuple):
# raise ValueError("Not a namedtuple. Assembly must be of type collections.namedtuple with fields [assembly, x, params].")
# if i._fields != ('assembly','x','params'):
# raise ValueError("Assembly must be a namedtuple with fields ('assembly', 'x', 'params').")
# self.fuzed.append(i)
self.out_colnames = None
@property
def names(self):
return zip(*self.steps)[0][:-1]
def to_pojo(self, pojo_name="", path="", get_jar=True):
if pojo_name=="": pojo_name = unicode("AssemblyPOJO_" + str(uuid.uuid4()))
java = H2OConnection.get("Assembly.java/" + self.id + "/" + pojo_name, _rest_version=99)
file_path = path + "/" + pojo_name + ".java"
if path == "": print java.text
else:
with open(file_path, 'wb') as f:
f.write(java.text)
if get_jar and path!="":
url = H2OConnection.make_url("h2o-genmodel.jar")
filename = path + "/" + "h2o-genmodel.jar"
response = urllib2.urlopen(url)
with open(filename, "wb") as f:
f.write(response.read())
def union(self, assemblies):
# fuse the assemblies onto this one, each is added to the end going left -> right
# assemblies must be a list of namedtuples.
# [(H2OAssembly, X, y, {params}), ..., (H2OAssembly, X, y, {params})]
for i in assemblies:
if not isinstance(i, namedtuple):
raise ValueError("Not a namedtuple. Assembly must be of type collections.namedtuple with fields [assembly, x, params].")
if i._fields != ('assembly','x','params'):
raise ValueError("Assembly must be a namedtuple with fields ('assembly', 'x', 'params').")
self.fuzed.append(i)
