def test_NN_covtype_1(self):
csvFilename = 'covtype.data'
csvPathname = 'UCI/UCI-large/covtype/' + csvFilename
hex_key = 'covtype.hex'
parseResult = h2i.import_parse(bucket='datasets', path=csvPathname, schema='put', hex_key=hex_key, timeoutSecs=10)
inspect = h2o_cmd.runInspect(None, parseResult['destination_key'])
print "\n" + csvPathname, \
" num_rows:", "{:,}".format(inspect['num_rows']), \
" num_cols:", "{:,}".format(inspect['num_cols'])
print "WARNING: just doing the first 33 features, for comparison to ??? numbers"
x = ",".join(map(str,range(33)))
response = 54
kwargs = {
# this is ignore??
'cols': x, # apparently required?
'response': response,
'activation': 'Tanh',
'hidden': 500,
'rate': 0.01,
'l2': 1.0E-4,
'epochs': 100,
'destination_key': 'a.hex',
'validation': hex_key,
}
timeoutSecs = 600
start = time.time()
h2o.beta_features = True
nnResult = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, noPoll=True, **kwargs)
h2o.beta_features = False
print "Hack: neural net apparently doesn't support the right polling response yet?"
h2o_jobs.pollWaitJobs(pattern=None, timeoutSecs=300, pollTimeoutSecs=10, retryDelaySecs=5)
print "FIX! need to add something that looks at the neural net result here?"
print "neural net end on ", csvPathname, 'took', time.time() - start, 'seconds'
def test_NN_covtype_1(self):
csvFilename_train = 'sumsigmoids.csv'
csvPathname_train = 'neural/' + csvFilename_train
csvFilename_test = 'sumsigmoids_test.csv'
csvPathname_test = 'neural/' + csvFilename_test
hex_key = 'sigmoids_train.hex'
validation_key = 'sigmoids_test.hex'
parseResult = h2i.import_parse(bucket='smalldata', path=csvPathname_train, schema='local', hex_key=hex_key, timeoutSecs=10)
parseResultV = h2i.import_parse(bucket='smalldata', path=csvPathname_test, schema='local', hex_key=validation_key, timeoutSecs=30)
inspect = h2o_cmd.runInspect(None, parseResult['destination_key'])
print "\n" + csvPathname_train, \
" num_rows:", "{:,}".format(inspect['num_rows']), \
" num_cols:", "{:,}".format(inspect['num_cols'])
hidden = 1 #number of hidden units
response = 'Y'
kwargs = {
'ignored_cols' : None,
'response' : response,
'activation' : 'Tanh',
'hidden' : hidden,
'rate' : 0.01,
'l2' : 0.0005,
'epochs' : 10,
'destination_key' : 'nn'+str(hidden)+'.hex',
'validation' : validation_key,
}
timeoutSecs = 600
start = time.time()
h2o.beta_features = True
nnResult = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, noPoll=True, **kwargs)
h2o.beta_features = False
print "Hack: neural net apparently doesn't support the right polling response yet?"
h2o_jobs.pollWaitJobs(pattern=None, timeoutSecs=300, pollTimeoutSecs=10, retryDelaySecs=5)
def test_GLM_twovalues(self):
SYNDATASETS_DIR = h2o.make_syn_dir()
csvFilename = "syn_twovalues.csv"
csvPathname = SYNDATASETS_DIR + "/" + csvFilename
rowDataTrue = "1, 0, 65, 1, 2, 1, 1, 4, 1, 4, 1, 4"
rowDataFalse = "0, 1, 0, -1, -2, -1, -1, -4, -1, -4, -1, -4"
twoValueList = [
("A", "B", 0, 14),
("A", "B", 1, 14),
(0, 1, 0, 12),
(0, 1, 1, 12),
(0, 1, "NaN", 12),
(1, 0, "NaN", 12),
(-1, 1, 0, 12),
(-1, 1, 1, 12),
(-1e1, 1e1, 1e1, 12),
(-1e1, 1e1, -1e1, 12),
]
trial = 0
for (outputTrue, outputFalse, case, coeffNum) in twoValueList:
write_syn_dataset(csvPathname, 20, rowDataTrue, rowDataFalse, str(outputTrue), str(outputFalse))
start = time.time()
hex_key = csvFilename + "_" + str(trial)
# default takes 39 iterations? play with alpha/beta
parseResult = h2i.import_parse(path=csvPathname, schema="put", hex_key=hex_key)
print "using outputTrue: %s outputFalse: %s" % (outputTrue, outputFalse)
inspect = h2o_cmd.runInspect(None, parseResult["destination_key"])
print "\n" + csvPathname, " num_rows:", "{:,}".format(
inspect["num_rows"]
), " num_cols:", "{:,}".format(inspect["num_cols"])
response = inspect["num_cols"] - 1
# up to but not including
x = ",".join(map(str, range(response)))
kwargs = {
# this is ignore??
"response": response,
"cols": x, # apparently no longer required?
"ignored_cols": None, # this is not consistent with ignored_cols_by_name
"classification": 1,
"validation": hex_key,
"activation": "Tanh", # 'Rectifier'
"hidden": 500, # comma separated values, or from:to:step
"rate": 0.01, # learning rate
"l2": 1.0e-4, # regularization
"epochs": 2, # how many times dataset should be iterated
"destination_key": "a.hex",
}
for iteration in range(2):
timeoutSecs = 600
start = time.time()
h2o.beta_features = True
nnResult = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, noPoll=True, **kwargs)
h2o.beta_features = False
print "Hack: neural net apparently doesn't support the right polling response yet?"
h2o_jobs.pollWaitJobs(pattern=None, timeoutSecs=300, pollTimeoutSecs=10, retryDelaySecs=5)
print "FIX! need to add something that looks at the neural net result here?"
print "nnResult:", h2o.dump_json(nnResult)
print "trial #", trial, "iteration #", iteration, "NN end on ", csvFilename, "took", time.time() - start, "seconds"
# h2b.browseJsonHistoryAsUrlLastMatch("GLM")
h2o.check_sandbox_for_errors()
trial += 1
def test_NN_mnist_multi(self):
# h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = "mnist/train.csv.gz"
csvPathname_test = "mnist/test.csv.gz"
hex_key = "mnist_train.hex"
validation_key = "mnist_test.hex"
timeoutSecs = 60
parseResult = h2i.import_parse(
bucket="smalldata", path=csvPathname_train, schema="put", hex_key=hex_key, timeoutSecs=timeoutSecs
)
parseResultV = h2i.import_parse(
bucket="smalldata", path=csvPathname_test, schema="put", hex_key=validation_key, timeoutSecs=timeoutSecs
)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, " numRows:", "{:,}".format(
inspect["numRows"]
), " numCols:", "{:,}".format(inspect["numCols"])
response = inspect["numCols"] - 1
modes = [
###'SingleThread', ### too slow (and slightly less accurate)
"SingleNode", ### wastes N-1 nodes, since their weight matrices are updated but never looked at...
###'MapReduce' ### TODO: enable, once implemented
]
for mode in modes:
# Making random id
identifier = "".join(random.sample(string.ascii_lowercase + string.digits, 10))
model_key = "nn_" + identifier + ".hex"
kwargs = {
"ignored_cols": None,
"response": response,
"classification": 1,
"mode": mode,
"activation": "RectifierWithDropout",
"input_dropout_ratio": 0.2,
"hidden": "117,131,129",
"rate": 0.005,
"rate_annealing": 1e-6,
"momentum_start": 0.5,
"momentum_ramp": 100000,
"momentum_stable": 0.9,
"l1": 0.00001,
"l2": 0.0000001,
"seed": 98037452452,
"loss": "CrossEntropy",
"max_w2": 15,
"warmup_samples": 0,
"initial_weight_distribution": "UniformAdaptive",
#'initial_weight_scale' : 0.01,
"epochs": 20.0,
"destination_key": model_key,
"validation": validation_key,
}
###expectedErr = 0.0362 ## from single-threaded mode
expectedErr = 0.03 ## observed actual value with Hogwild
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, **kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, "took", time.time() - start, "seconds"
relTol = 0.02 if mode == "SingleThread" else 0.10 ### 10% relative error is acceptable for Hogwild
h2o_nn.checkLastValidationError(
self, nn["neuralnet_model"], inspect["numRows"], expectedErr, relTol, **kwargs
)
### Now score using the model, and check the validation error
kwargs = {
"source": validation_key,
"max_rows": 0,
"response": response,
"ignored_cols": None, # this is not consistent with ignored_cols_by_name
"classification": 1,
"destination_key": "score_" + identifier + ".hex",
"model": model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(key=parseResult["destination_key"], timeoutSecs=timeoutSecs, **kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol, **kwargs)
if mode != "MapReduce":
print "WARNING: Running in non-MapReduce mode on multiple nodes! Only one node contributes to results."
h2o.beta_features = False
def test_NN_covtype_1(self):
tryList = ["covtype.shuffled.90pct.sorted.data", "covtype.shuffled.90pct.data"]
importFolderPath = "standard"
for csvFilename in tryList:
csvPathname = importFolderPath + "/" + csvFilename
hex_key = "covtype.hex"
parseResult = h2i.import_parse(
bucket="home-0xdiag-datasets", path=csvPathname, schema="local", hex_key=hex_key, timeoutSecs=10
)
inspect = h2o_cmd.runInspect(None, parseResult["destination_key"])
print "\n" + csvPathname, " num_rows:", "{:,}".format(
inspect["num_rows"]
), " num_cols:", "{:,}".format(inspect["num_cols"])
# print "WARNING: just doing the first 33 features, for comparison to ??? numbers"
# x = ",".join(map(str,range(33)))
x = ""
response = 54
modelKey = "a.hex"
kwargs = {
# this is ignore??
"response": response,
# 'cols': x, # apparently no longer required?
"ignored_cols": None, # this is not consistent with ignored_cols_by_name
"classification": 1,
"validation": hex_key,
"activation": "Tanh", # 'Rectifier'
"hidden": 500, # comma separated values, or from:to:step
"rate": 0.01, # learning rate
"l2": 1.0e-4, # regularization
"epochs": 1, # how many times dataset should be iterated
"destination_key": modelKey,
}
timeoutSecs = 600
start = time.time()
h2o.beta_features = True
nnFirstResult = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, noPoll=True, **kwargs)
print "nnFirstResult:", h2o.dump_json(nnFirstResult)
print "Hack: neural net apparently doesn't support the right polling response yet?"
h2o_jobs.pollWaitJobs(pattern=None, timeoutSecs=300, pollTimeoutSecs=10, retryDelaySecs=5)
print "neural net end on ", csvPathname, "took", time.time() - start, "seconds"
# hack it!
job_key = nnFirstResult["job_key"]
# is the job finishing before polling would say it's done?
params = {"job_key": job_key, "destination_key": modelKey}
a = h2o.nodes[0].completion_redirect(jsonRequest="2/NeuralNetProgress.json", params=params)
# fake it
## response = {'redirect_url': "2/NeuralNetProgress.json?job_key=%s&destination_key=%s" % (job_key, modelKey)}
## a = h2o.nodes[0].poll_url(response, timeoutSecs=30)
print "NeuralNetProgress:", h2o.dump_json(a)
# print 'From hack url for neural net result:', h2o.dump_json(a)
if DO_SCORE:
kwargs = {
"max_rows": 0,
"response": response,
# 'cols': x, # apparently no longer required?
"ignored_cols": None, # this is not consistent with ignored_cols_by_name
"cols": None, # this is not consistent with ignored_cols_by_name
"classification": 1,
"destination_key": "b.hex",
"model": modelKey,
}
nnScoreFirstResult = h2o_cmd.runNNetScore(
key=parseResult["destination_key"], timeoutSecs=timeoutSecs, noPoll=True, **kwargs
)
h2o.beta_features = False
print "Hack: neural net apparently doesn't support the right polling response yet?"
h2o_jobs.pollWaitJobs(
pattern=None, errorIfCancelled=True, timeoutSecs=300, pollTimeoutSecs=10, retryDelaySecs=5
)
print "neural net score end on ", trainCsvFilename, "took", time.time() - start, "seconds"
print "nnScoreResult:", h2o.dump_json(nnScoreResult)
h2o.beta_features = False
def test_NN_covtype(self):
# h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = "covtype/covtype.20k.data"
csvPathname_test = "covtype/covtype.20k.data"
hex_key = "covtype.hex"
validation_key = hex_key
timeoutSecs = 30
parseResult = h2i.import_parse(
bucket="smalldata", path=csvPathname_train, schema="local", hex_key=hex_key, timeoutSecs=timeoutSecs
)
###No need - use training as validation
###parseResultV = h2i.import_parse(bucket='smalldata', path=csvPathname_test, schema='local', hex_key=validation_key, timeoutSecs=timeoutSecs)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, " numRows:", "{:,}".format(
inspect["numRows"]
), " numCols:", "{:,}".format(inspect["numCols"])
response = inspect["numCols"] - 1
modes = ["SingleThread", "SingleNode"]
for mode in modes:
# Making random id
identifier = "".join(random.sample(string.ascii_lowercase + string.digits, 10))
model_key = "nn_" + identifier + ".hex"
kwargs = {
"ignored_cols": None,
"response": response,
"classification": 1,
"mode": mode,
"activation": "Tanh",
#'input_dropout_ratio' : 0.1,
"hidden": "200,200",
"rate": 0.005,
"rate_annealing": 1e-5,
"momentum_start": 0.1,
"momentum_ramp": 100000,
"momentum_stable": 0.3,
"l1": 0.0000,
"l2": 0.0000,
"seed": 28372348842,
"loss": "CrossEntropy",
#'max_w2' : 10,
"warmup_samples": 0,
"initial_weight_distribution": "Normal",
"initial_weight_scale": 1,
"epochs": 2.0,
"destination_key": model_key,
"validation": validation_key,
}
expectedErr = 0.3413 if mode == "SingleThread" else 0.3 ## expected validation error for the above model
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, **kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, "took", time.time() - start, "seconds"
relTol = 0.03 if mode == "SingleThread" else 0.15 ### 15% relative error is acceptable for Hogwild
h2o_nn.checkLastValidationError(
self, nn["neuralnet_model"], inspect["numRows"], expectedErr, relTol, **kwargs
)
### Now score using the model, and check the validation error
kwargs = {
"source": validation_key,
"max_rows": 0,
"response": response,
"ignored_cols": None, # this is not consistent with ignored_cols_by_name
"classification": 1,
"destination_key": "score_" + identifier + ".hex",
"model": model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(key=parseResult["destination_key"], timeoutSecs=timeoutSecs, **kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol, **kwargs)
h2o.beta_features = False
def test_NN_mnist(self):
#h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = 'mnist/train.csv.gz'
csvPathname_test = 'mnist/test.csv.gz'
hex_key = 'mnist_train.hex'
validation_key = 'mnist_test.hex'
timeoutSecs = 30
parseResult = h2i.import_parse(bucket='smalldata', path=csvPathname_train, schema='put', hex_key=hex_key, timeoutSecs=timeoutSecs)
parseResultV = h2i.import_parse(bucket='smalldata', path=csvPathname_test, schema='put', hex_key=validation_key, timeoutSecs=timeoutSecs)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
modes = [
'SingleThread',
'SingleNode',
###'MapReduce' ### TODO: enable, once implemented
]
for mode in modes:
#Making random id
identifier = ''.join(random.sample(string.ascii_lowercase + string.digits, 10))
model_key = 'nn_' + identifier + '.hex'
kwargs = {
'ignored_cols' : None,
'response' : response,
'classification' : 1,
'mode' : mode,
'activation' : 'RectifierWithDropout',
'input_dropout_ratio' : 0.2,
'hidden' : '117,131,129',
'rate' : 0.005,
'rate_annealing' : 1e-6,
'momentum_start' : 0.5,
'momentum_ramp' : 100000,
'momentum_stable' : 0.9,
'l1' : 0.00001,
'l2' : 0.0000001,
'seed' : 98037452452,
'loss' : 'CrossEntropy',
'max_w2' : 15,
'warmup_samples' : 0,
'initial_weight_distribution' : 'UniformAdaptive',
#'initial_weight_scale' : 0.01,
'epochs' : 2.0,
'destination_key' : model_key,
'validation' : validation_key,
}
expectedErr = 0.0565 ## expected validation error for the above model on 1 thread
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, **kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, 'took', time.time() - start, 'seconds'
#### Look at model progress, and check the last reported validation error
relTol = 0.3 if mode == 'SingleThread' else 0.15
h2o_nn.checkLastValidationError(self, nn['neuralnet_model'], inspect['numRows'], expectedErr, relTol, **kwargs)
#### Now score using the model, and check the validation error
kwargs = {
'source' : validation_key,
'max_rows': 0,
'response': response,
'ignored_cols': None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score_' + identifier + '.hex',
'model': model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(key=parseResult['destination_key'], timeoutSecs=timeoutSecs, **kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol, **kwargs)
h2o.beta_features = False
def test_NN_twovalues(self):
h2o.beta_features = True
SYNDATASETS_DIR = h2o.make_syn_dir()
csvFilename = "syn_twovalues.csv"
csvPathname = SYNDATASETS_DIR + '/' + csvFilename
rowDataTrue = "1, 0, 65, 1, 2, 1, 1, 4, 1, 4, 1, 4"
rowDataFalse = "0, 1, 0, -1, -2, -1, -1, -4, -1, -4, -1, -4"
twoValueList = [
('A','B',0, 14),
('A','B',1, 14),
(0,1,0, 12),
(0,1,1, 12),
(0,1,'NaN', 12),
(1,0,'NaN', 12),
(-1,1,0, 12),
(-1,1,1, 12),
(-1e1,1e1,1e1, 12),
(-1e1,1e1,-1e1, 12),
]
trial = 0
for (outputTrue, outputFalse, case, coeffNum) in twoValueList:
write_syn_dataset(csvPathname, 20,
rowDataTrue, rowDataFalse, str(outputTrue), str(outputFalse))
start = time.time()
hex_key = csvFilename + "_" + str(trial)
model_key = 'trial_' + str(trial) + '.hex'
parseResult = h2i.import_parse(path=csvPathname, schema='put', hex_key=hex_key)
print "using outputTrue: %s outputFalse: %s" % (outputTrue, outputFalse)
inspect = h2o_cmd.runInspect(None, parseResult['destination_key'])
print "\n" + csvPathname, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
kwargs = {
'ignored_cols' : None,
'response' : 'C' + str(response),
'classification' : 1,
'mode' : 'SingleThread',
'activation' : 'Tanh',
#'input_dropout_ratio' : 0.2,
'hidden' : '500',
'rate' : 0.01,
'rate_annealing' : 1e-6,
'momentum_start' : 0,
'momentum_ramp' : 0,
'momentum_stable' : 0,
'l1' : 0.0,
'l2' : 1e-4,
'seed' : 80023842348,
'loss' : 'CrossEntropy',
#'max_w2' : 15,
#'warmup_samples' : 0,
'initial_weight_distribution' : 'UniformAdaptive',
#'initial_weight_scale' : 0.01,
'epochs' : 1.0,
'destination_key' : model_key,
'validation' : hex_key,
}
timeoutSecs = 60
start = time.time()
h2o.beta_features = True
h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, **kwargs)
print "trial #", trial, "NN end on ", csvFilename, ' took', time.time() - start, 'seconds'
#### Now score using the model, and check the validation error
expectedErr = 0.0
relTol = 0.01
kwargs = {
'source' : hex_key,
'max_rows': 0,
'response': 'C' + str(response),
'ignored_cols': None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score' + str(trial) + '.hex',
'model': model_key
}
nnScoreResult = h2o_cmd.runNNetScore(key=parseResult['destination_key'], timeoutSecs=timeoutSecs, **kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol, **kwargs)
h2o.check_sandbox_for_errors()
trial += 1
def test_NN_mnist_multi(self):
#h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = 'mnist/train.csv.gz'
csvPathname_test = 'mnist/test.csv.gz'
hex_key = 'mnist_train.hex'
validation_key = 'mnist_test.hex'
timeoutSecs = 30
parseResult = h2i.import_parse(bucket='smalldata', path=csvPathname_train, schema='put', hex_key=hex_key, timeoutSecs=timeoutSecs)
parseResultV = h2i.import_parse(bucket='smalldata', path=csvPathname_test, schema='put', hex_key=validation_key, timeoutSecs=timeoutSecs)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
modes = [
###'SingleThread', ### too slow (and slightly less accurate)
'SingleNode', ### wastes N-1 nodes, since their weight matrices are updated but never looked at...
###'MapReduce' ### TODO: enable, once implemented
]
for mode in modes:
#Making random id
identifier = ''.join(random.sample(string.ascii_lowercase + string.digits, 10))
model_key = 'nn_' + identifier + '.hex'
kwargs = {
'ignored_cols' : None,
'response' : response,
'classification' : 1,
'mode' : mode,
'activation' : 'RectifierWithDropout',
'input_dropout_ratio' : 0.2,
'hidden' : '117,131,129',
'rate' : 0.005,
'rate_annealing' : 1e-6,
'momentum_start' : 0.5,
'momentum_ramp' : 100000,
'momentum_stable' : 0.9,
'l1' : 0.00001,
'l2' : 0.0000001,
'seed' : 98037452452,
'loss' : 'CrossEntropy',
'max_w2' : 15,
'warmup_samples' : 0,
'initial_weight_distribution' : 'UniformAdaptive',
#'initial_weight_scale' : 0.01,
'epochs' : 20.0,
'destination_key' : model_key,
'validation' : validation_key,
}
###expectedErr = 0.0362 ## from single-threaded mode
expectedErr = 0.0331 ## observed actual value with Hogwild
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, **kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, 'took', time.time() - start, 'seconds'
relTol = 0.02 if mode == 'SingleThread' else 0.10 ### 10% relative error is acceptable for Hogwild
h2o_nn.checkLastValidationError(self, nn['neuralnet_model'], inspect['numRows'], expectedErr, relTol, **kwargs)
### Now score using the model, and check the validation error
kwargs = {
'source' : validation_key,
'max_rows': 0,
'response': response,
'ignored_cols': None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score_' + identifier + '.hex',
'model': model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(key=parseResult['destination_key'], timeoutSecs=timeoutSecs, **kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol, **kwargs)
if mode != 'MapReduce':
print 'WARNING: Running in non-MapReduce mode on multiple nodes! Only one node contributes to results.'
h2o.beta_features = False
def test_NN_mnist(self):
csvFilelist = [
("mnist_training.csv.gz", "mnist_testing.csv.gz", 600),
("mnist_training.csv.gz", "mnist_testing.csv.gz", 600),
("mnist_training.csv.gz", "mnist_testing.csv.gz", 600),
("mnist_training.csv.gz", "mnist_testing.csv.gz", 600),
]
trial = 0
for (trainCsvFilename, testCsvFilename, timeoutSecs) in csvFilelist:
trialStart = time.time()
# PARSE test****************************************
testKey2 = testCsvFilename + "_" + str(trial) + ".hex"
start = time.time()
parseResult = h2i.import_parse(bucket='home-0xdiag-datasets', path="mnist/" + testCsvFilename, schema='put',
hex_key=testKey2, timeoutSecs=timeoutSecs, noise=('StoreView', None))
elapsed = time.time() - start
print "parse end on ", testCsvFilename, 'took', elapsed, 'seconds',\
"%d pct. of timeout" % ((elapsed*100)/timeoutSecs)
print "parse result:", parseResult['destination_key']
# PARSE train****************************************
trainKey2 = trainCsvFilename + "_" + str(trial) + ".hex"
start = time.time()
parseResult = h2i.import_parse(bucket='home-0xdiag-datasets', path="mnist/" + trainCsvFilename, schema='put',
hex_key=trainKey2, timeoutSecs=timeoutSecs, noise=('StoreView', None))
elapsed = time.time() - start
print "parse end on ", trainCsvFilename, 'took', elapsed, 'seconds',\
"%d pct. of timeout" % ((elapsed*100)/timeoutSecs)
print "parse result:", parseResult['destination_key']
# NN****************************************
inspect = h2o_cmd.runInspect(None, parseResult['destination_key'])
print "\n" + trainCsvFilename, \
" num_rows:", "{:,}".format(inspect['num_rows']), \
" num_cols:", "{:,}".format(inspect['num_cols'])
response = inspect['num_cols'] - 1
# up to but not including
x = ",".join(map(str,range(response)))
modelKey = 'a.hex'
kwargs = {
# this is ignore??
'response': 0, # first column is pixel value
# 'cols': x, # apparently no longer required?
'ignored_cols': None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'validation': trainKey2,
'activation': 'Tanh', # 'Rectifier'
'hidden': 500, # comma separated values, or from:to:step
'rate': 0.01, # learning rate
'l2': 1.0E-4, # regularization
'epochs': 2, # how many times dataset should be iterated
'destination_key': modelKey,
}
timeoutSecs = 600
start = time.time()
h2o.beta_features = True
nnFirstResult = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, noPoll=True, **kwargs)
print "nnFirstResult:", h2o.dump_json(nnFirstResult)
print "Hack: neural net apparently doesn't support the right polling response yet?"
h2o_jobs.pollWaitJobs(pattern=None, errorIfCancelled=True, timeoutSecs=300, pollTimeoutSecs=10, retryDelaySecs=5)
print "neural net end on ", trainCsvFilename, 'took', time.time() - start, 'seconds'
# hack it!
job_key = nnFirstResult['job_key']
params = {'job_key': job_key, 'destination_key': modelKey}
a = h2o.nodes[0].completion_redirect(jsonRequest="2/NeuralNetProgress.json", params=params)
print "NeuralNetProgress:", h2o.dump_json(a)
# print 'From hack url for neural net result:', h2o.dump_json(a)
if DO_SCORE:
kwargs = {
'max_rows': 0,
'response': 0, # first column is pixel value
# 'cols': x, # apparently no longer required?
'ignored_cols': None, # this is not consistent with ignored_cols_by_name
'cols': None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'b.hex',
'model': modelKey,
}
nnScoreFirstResult = h2o_cmd.runNNetScore(key=parseResult['destination_key'], timeoutSecs=timeoutSecs, noPoll=True, **kwargs)
h2o.beta_features = False
print "Hack: neural net apparently doesn't support the right polling response yet?"
h2o_jobs.pollWaitJobs(pattern=None, errorIfCancelled=True, timeoutSecs=300, pollTimeoutSecs=10, retryDelaySecs=5)
print "neural net score end on ", trainCsvFilename, 'took', time.time() - start, 'seconds'
print "nnScoreResult:", h2o.dump_json(nnScoreResult)
h2o.beta_features = False
def test_GLM_twovalues(self):
h2o.beta_features = True
SYNDATASETS_DIR = h2o.make_syn_dir()
csvFilename = "syn_twovalues.csv"
csvPathname = SYNDATASETS_DIR + '/' + csvFilename
rowDataTrue = "1, 0, 65, 1, 2, 1, 1, 4, 1, 4, 1, 4"
rowDataFalse = "0, 1, 0, -1, -2, -1, -1, -4, -1, -4, -1, -4"
twoValueList = [
('A','B',0, 14),
('A','B',1, 14),
(0,1,0, 12),
(0,1,1, 12),
(0,1,'NaN', 12),
(1,0,'NaN', 12),
(-1,1,0, 12),
(-1,1,1, 12),
(-1e1,1e1,1e1, 12),
(-1e1,1e1,-1e1, 12),
]
trial = 0
for (outputTrue, outputFalse, case, coeffNum) in twoValueList:
write_syn_dataset(csvPathname, 20,
rowDataTrue, rowDataFalse, str(outputTrue), str(outputFalse))
start = time.time()
hex_key = csvFilename + "_" + str(trial)
# default takes 39 iterations? play with alpha/beta
parseResult = h2i.import_parse(path=csvPathname, schema='put', hex_key=hex_key)
print "using outputTrue: %s outputFalse: %s" % (outputTrue, outputFalse)
inspect = h2o_cmd.runInspect(None, parseResult['destination_key'])
print "\n" + csvPathname, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
# up to but not including
x = ",".join(map(lambda x: 'C' + str(x), range(response)))
kwargs = {
# this is ignore??
'response': 'C' + str(response),
'cols': x, # apparently no longer required?
'ignored_cols': None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'validation': hex_key,
'activation': 'Tanh', # 'Rectifier'
'hidden': 500, # comma separated values, or from:to:step
'rate': 0.01, # learning rate
'l2': 1.0E-4, # regularization
'epochs': 2, # how many times dataset should be iterated
'destination_key': 'a.hex',
}
for iteration in range(2):
timeoutSecs = 600
start = time.time()
h2o.beta_features = True
nnResult = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, **kwargs)
print "FIX! need to add something that looks at the neural net result here?"
print "nnResult:", h2o.dump_json(nnResult)
print "trial #", trial, "iteration #", iteration, "NN end on ", csvFilename, 'took', time.time() - start, 'seconds'
# h2b.browseJsonHistoryAsUrlLastMatch("GLM")
h2o.check_sandbox_for_errors()
trial += 1
def test_NN_covtype_1(self):
h2o.beta_features = True
tryList = [
("covtype.shuffled.90pct.sorted.data", "covtype.shuffled.10pct.sorted.data"),
("covtype.shuffled.90pct.data", "covtype.shuffled.10pct.data"),
]
importFolderPath = "standard"
for trainFilename, testFilename in tryList:
# Parse Train********************************
trainPathname = importFolderPath + "/" + trainFilename
trainHexKey = "covtype90.hex"
trainParseResult = h2i.import_parse(
bucket="home-0xdiag-datasets", path=trainPathname, schema="local", hex_key=trainHexKey, timeoutSecs=10
)
inspect = h2o_cmd.runInspect(None, trainParseResult["destination_key"])
print "\n" + trainPathname, " numRows:", "{:,}".format(
inspect["numRows"]
), " numCols:", "{:,}".format(inspect["numCols"])
# Parse Test********************************
testPathname = importFolderPath + "/" + testFilename
testHexKey = "covtype10.hex"
testParseResult = h2i.import_parse(
bucket="home-0xdiag-datasets", path=testPathname, schema="local", hex_key=testHexKey, timeoutSecs=10
)
# NN Train********************************
x = ""
response = "C54"
modelKey = "a.hex"
kwargs = {
# this is ignore??
"response": response,
# 'cols': x, # apparently no longer required?
"ignored_cols": None, # this is not consistent with ignored_cols_by_name
"classification": 1,
"validation": testHexKey,
"activation": "Tanh", # 'Rectifier'
"hidden": 500, # comma separated values, or from:to:step
"rate": 0.01, # learning rate
"l2": 1.0e-2, # regularization
# can overfit the training data
"epochs": 5, # how many times dataset should be iterated
"destination_key": modelKey,
}
timeoutSecs = 600
start = time.time()
nnResult = h2o_cmd.runNNet(parseResult=trainParseResult, timeoutSecs=timeoutSecs, **kwargs)
print "nnResult:", h2o.dump_json(nnResult)
print "neural net end on ", trainPathname, "took", time.time() - start, "seconds"
# NN Score********************************
kwargs = {
"max_rows": 0,
"response": response,
# 'cols': x, # apparently no longer required?
"ignored_cols": None, # this is not consistent with ignored_cols_by_name
"cols": None, # this is not consistent with ignored_cols_by_name
"classification": 1,
"destination_key": "b.hex",
"model": modelKey,
}
# doesn't need polling?
nnScoreResult = h2o_cmd.runNNetScore(
key=testParseResult["destination_key"], timeoutSecs=timeoutSecs, noPoll=True, **kwargs
)
print "neural net score end on ", testPathname, "took", time.time() - start, "seconds"
# print "nnScoreResult:", h2o.dump_json(nnScoreResult)
cm = nnScoreResult["confusion_matrix"]
mean_square_error = nnScoreResult["mean_square_error"]
classification_error = nnScoreResult["classification_error"]
# These will move into the h2o_gbm.py
pctWrong = h2o_gbm.pp_cm_summary(cm)
print "\nTest\n==========\n"
print "classification_error:", classification_error
print "mean_square_error:", mean_square_error
print h2o_gbm.pp_cm(cm)
def test_NN_mnist(self):
#h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = 'mnist/train.csv.gz'
csvPathname_test = 'mnist/test.csv.gz'
hex_key = 'mnist_train.hex'
validation_key = 'mnist_test.hex'
timeoutSecs = 30
parseResult = h2i.import_parse(bucket='smalldata',
path=csvPathname_train,
schema='put',
hex_key=hex_key,
timeoutSecs=timeoutSecs)
parseResultV = h2i.import_parse(bucket='smalldata',
path=csvPathname_test,
schema='put',
hex_key=validation_key,
timeoutSecs=timeoutSecs)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
modes = [
'SingleThread',
'SingleNode',
###'MapReduce' ### TODO: enable, once implemented
]
for mode in modes:
#Making random id
identifier = ''.join(
random.sample(string.ascii_lowercase + string.digits, 10))
model_key = 'nn_' + identifier + '.hex'
kwargs = {
'ignored_cols': None,
'response': response,
'classification': 1,
'mode': mode,
'activation': 'RectifierWithDropout',
'input_dropout_ratio': 0.2,
'hidden': '117,131,129',
'rate': 0.005,
'rate_annealing': 1e-6,
'momentum_start': 0.5,
'momentum_ramp': 100000,
'momentum_stable': 0.9,
'l1': 0.00001,
'l2': 0.0000001,
'seed': 98037452452,
'loss': 'CrossEntropy',
'max_w2': 15,
'warmup_samples': 0,
'initial_weight_distribution': 'UniformAdaptive',
#'initial_weight_scale' : 0.01,
'epochs': 2.0,
'destination_key': model_key,
'validation': validation_key,
}
expectedErr = 0.0565 ## expected validation error for the above model on 1 thread
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult,
timeoutSecs=timeoutSecs,
**kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, 'took', time.time(
) - start, 'seconds'
#### Look at model progress, and check the last reported validation error
relTol = 0.3 if mode == 'SingleThread' else 0.15
h2o_nn.checkLastValidationError(self, nn['neuralnet_model'],
inspect['numRows'], expectedErr,
relTol, **kwargs)
#### Now score using the model, and check the validation error
kwargs = {
'source': validation_key,
'max_rows': 0,
'response': response,
'ignored_cols':
None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score_' + identifier + '.hex',
'model': model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(
key=parseResult['destination_key'],
timeoutSecs=timeoutSecs,
**kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol,
**kwargs)
h2o.beta_features = False
def test_NN_twovalues(self):
h2o.beta_features = True
SYNDATASETS_DIR = h2o.make_syn_dir()
csvFilename = "syn_twovalues.csv"
csvPathname = SYNDATASETS_DIR + '/' + csvFilename
rowDataTrue = "1, 0, 65, 1, 2, 1, 1, 4, 1, 4, 1, 4"
rowDataFalse = "0, 1, 0, -1, -2, -1, -1, -4, -1, -4, -1, -4"
twoValueList = [
('A', 'B', 0, 14),
('A', 'B', 1, 14),
(0, 1, 0, 12),
(0, 1, 1, 12),
(0, 1, 'NaN', 12),
(1, 0, 'NaN', 12),
(-1, 1, 0, 12),
(-1, 1, 1, 12),
(-1e1, 1e1, 1e1, 12),
(-1e1, 1e1, -1e1, 12),
]
trial = 0
for (outputTrue, outputFalse, case, coeffNum) in twoValueList:
write_syn_dataset(csvPathname, 20, rowDataTrue, rowDataFalse,
str(outputTrue), str(outputFalse))
start = time.time()
hex_key = csvFilename + "_" + str(trial)
model_key = 'trial_' + str(trial) + '.hex'
parseResult = h2i.import_parse(path=csvPathname,
schema='put',
hex_key=hex_key)
print "using outputTrue: %s outputFalse: %s" % (outputTrue,
outputFalse)
inspect = h2o_cmd.runInspect(None, parseResult['destination_key'])
print "\n" + csvPathname, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
kwargs = {
'ignored_cols': None,
'response': 'C' + str(response),
'classification': 1,
'mode': 'SingleThread',
'activation': 'Tanh',
#'input_dropout_ratio' : 0.2,
'hidden': '500',
'rate': 0.01,
'rate_annealing': 1e-6,
'momentum_start': 0,
'momentum_ramp': 0,
'momentum_stable': 0,
'l1': 0.0,
'l2': 1e-4,
'seed': 80023842348,
'loss': 'CrossEntropy',
#'max_w2' : 15,
#'warmup_samples' : 0,
'initial_weight_distribution': 'UniformAdaptive',
#'initial_weight_scale' : 0.01,
'epochs': 1.0,
'destination_key': model_key,
'validation': hex_key,
}
timeoutSecs = 60
start = time.time()
h2o.beta_features = True
h2o_cmd.runNNet(parseResult=parseResult,
timeoutSecs=timeoutSecs,
**kwargs)
print "trial #", trial, "NN end on ", csvFilename, ' took', time.time(
) - start, 'seconds'
#### Now score using the model, and check the validation error
expectedErr = 0.0
relTol = 0.01
kwargs = {
'source': hex_key,
'max_rows': 0,
'response': 'C' + str(response),
'ignored_cols':
None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score' + str(trial) + '.hex',
'model': model_key
}
nnScoreResult = h2o_cmd.runNNetScore(
key=parseResult['destination_key'],
timeoutSecs=timeoutSecs,
**kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol,
**kwargs)
h2o.check_sandbox_for_errors()
trial += 1
def test_NN_covtype(self):
#h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = 'covtype/covtype.20k.data'
csvPathname_test = 'covtype/covtype.20k.data'
hex_key = 'covtype.hex'
validation_key = hex_key
timeoutSecs = 30
parseResult = h2i.import_parse(bucket='smalldata', path=csvPathname_train, schema='local', hex_key=hex_key, timeoutSecs=timeoutSecs)
###No need - use training as validation
###parseResultV = h2i.import_parse(bucket='smalldata', path=csvPathname_test, schema='local', hex_key=validation_key, timeoutSecs=timeoutSecs)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
modes = [
'SingleThread',
'SingleNode',
]
for mode in modes:
#Making random id
identifier = ''.join(random.sample(string.ascii_lowercase + string.digits, 10))
model_key = 'nn_' + identifier + '.hex'
kwargs = {
'ignored_cols' : None,
'response' : response,
'classification' : 1,
'mode' : mode,
'activation' : 'Tanh',
#'input_dropout_ratio' : 0.1,
'hidden' : '200,200',
'rate' : 0.005,
'rate_annealing' : 1e-5,
'momentum_start' : 0.1,
'momentum_ramp' : 100000,
'momentum_stable' : 0.3,
'l1' : 0.0000,
'l2' : 0.0000,
'seed' : 28372348842,
'loss' : 'CrossEntropy',
#'max_w2' : 10,
'warmup_samples' : 0,
'initial_weight_distribution' : 'Normal',
'initial_weight_scale' : 1,
'epochs' : 2.0,
'destination_key' : model_key,
'validation' : validation_key,
}
expectedErr = 0.3413 if mode == 'SingleThread' else 0.3 ## expected validation error for the above model
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult, timeoutSecs=timeoutSecs, **kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, 'took', time.time() - start, 'seconds'
relTol = 0.03 if mode == 'SingleThread' else 0.20 ### 20% relative error is acceptable for Hogwild
h2o_nn.checkLastValidationError(self, nn['neuralnet_model'], inspect['numRows'], expectedErr, relTol, **kwargs)
### Now score using the model, and check the validation error
kwargs = {
'source' : validation_key,
'max_rows': 0,
'response': response,
'ignored_cols': None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score_' + identifier + '.hex',
'model': model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(key=parseResult['destination_key'], timeoutSecs=timeoutSecs, **kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol, **kwargs)
h2o.beta_features = False
def test_NN_mnist_multi(self):
#h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = 'mnist/train.csv.gz'
csvPathname_test = 'mnist/test.csv.gz'
hex_key = 'mnist_train.hex'
validation_key = 'mnist_test.hex'
timeoutSecs = 60
parseResult = h2i.import_parse(bucket='smalldata',
path=csvPathname_train,
schema='put',
hex_key=hex_key,
timeoutSecs=timeoutSecs)
parseResultV = h2i.import_parse(bucket='smalldata',
path=csvPathname_test,
schema='put',
hex_key=validation_key,
timeoutSecs=timeoutSecs)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
modes = [
###'SingleThread', ### too slow (and slightly less accurate)
'SingleNode', ### wastes N-1 nodes, since their weight matrices are updated but never looked at...
###'MapReduce' ### TODO: enable, once implemented
]
for mode in modes:
#Making random id
identifier = ''.join(
random.sample(string.ascii_lowercase + string.digits, 10))
model_key = 'nn_' + identifier + '.hex'
kwargs = {
'ignored_cols': None,
'response': response,
'classification': 1,
'mode': mode,
'activation': 'RectifierWithDropout',
'input_dropout_ratio': 0.2,
'hidden': '117,131,129',
'rate': 0.005,
'rate_annealing': 1e-6,
'momentum_start': 0.5,
'momentum_ramp': 100000,
'momentum_stable': 0.9,
'l1': 0.00001,
'l2': 0.0000001,
'seed': 98037452452,
'loss': 'CrossEntropy',
'max_w2': 15,
'warmup_samples': 0,
'initial_weight_distribution': 'UniformAdaptive',
#'initial_weight_scale' : 0.01,
'epochs': 20.0,
'destination_key': model_key,
'validation': validation_key,
}
###expectedErr = 0.0362 ## from single-threaded mode
expectedErr = 0.03 ## observed actual value with Hogwild
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult,
timeoutSecs=timeoutSecs,
**kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, 'took', time.time(
) - start, 'seconds'
relTol = 0.02 if mode == 'SingleThread' else 0.10 ### 10% relative error is acceptable for Hogwild
h2o_nn.checkLastValidationError(self, nn['neuralnet_model'],
inspect['numRows'], expectedErr,
relTol, **kwargs)
### Now score using the model, and check the validation error
kwargs = {
'source': validation_key,
'max_rows': 0,
'response': response,
'ignored_cols':
None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score_' + identifier + '.hex',
'model': model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(
key=parseResult['destination_key'],
timeoutSecs=timeoutSecs,
**kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol,
**kwargs)
if mode != 'MapReduce':
print 'WARNING: Running in non-MapReduce mode on multiple nodes! Only one node contributes to results.'
h2o.beta_features = False
def test_NN_covtype(self):
#h2b.browseTheCloud()
h2o.beta_features = True
csvPathname_train = 'covtype/covtype.20k.data'
csvPathname_test = 'covtype/covtype.20k.data'
hex_key = 'covtype.hex'
validation_key = hex_key
timeoutSecs = 30
parseResult = h2i.import_parse(bucket='smalldata',
path=csvPathname_train,
schema='put',
hex_key=hex_key,
timeoutSecs=timeoutSecs)
###No need - use training as validation
###parseResultV = h2i.import_parse(bucket='smalldata', path=csvPathname_test, schema='local', hex_key=validation_key, timeoutSecs=timeoutSecs)
inspect = h2o_cmd.runInspect(None, hex_key)
print "\n" + csvPathname_train, \
" numRows:", "{:,}".format(inspect['numRows']), \
" numCols:", "{:,}".format(inspect['numCols'])
response = inspect['numCols'] - 1
modes = [
'SingleThread',
'SingleNode',
]
for mode in modes:
#Making random id
identifier = ''.join(
random.sample(string.ascii_lowercase + string.digits, 10))
model_key = 'nn_' + identifier + '.hex'
kwargs = {
'ignored_cols': None,
'response': response,
'classification': 1,
'mode': mode,
'activation': 'Tanh',
#'input_dropout_ratio' : 0.1,
'hidden': '200,200',
'rate': 0.005,
'rate_annealing': 1e-5,
'momentum_start': 0.1,
'momentum_ramp': 100000,
'momentum_stable': 0.3,
'l1': 0.0000,
'l2': 0.0000,
'seed': 28372348842,
'loss': 'CrossEntropy',
#'max_w2' : 10,
'warmup_samples': 0,
'initial_weight_distribution': 'Normal',
'initial_weight_scale': 1,
'epochs': 2.0,
'destination_key': model_key,
'validation': validation_key,
}
expectedErr = 0.35195 if mode == 'SingleThread' else 0.3 ## expected validation error for the above model
timeoutSecs = 600
start = time.time()
nn = h2o_cmd.runNNet(parseResult=parseResult,
timeoutSecs=timeoutSecs,
**kwargs)
print "neural net end on ", csvPathname_train, " and ", csvPathname_test, 'took', time.time(
) - start, 'seconds'
relTol = 0.03 if mode == 'SingleThread' else 0.20 ### 20% relative error is acceptable for Hogwild
h2o_nn.checkLastValidationError(self, nn['neuralnet_model'],
inspect['numRows'], expectedErr,
relTol, **kwargs)
### Now score using the model, and check the validation error
kwargs = {
'source': validation_key,
'max_rows': 0,
'response': response,
'ignored_cols':
None, # this is not consistent with ignored_cols_by_name
'classification': 1,
'destination_key': 'score_' + identifier + '.hex',
'model': model_key,
}
nnScoreResult = h2o_cmd.runNNetScore(
key=parseResult['destination_key'],
timeoutSecs=timeoutSecs,
**kwargs)
h2o_nn.checkScoreResult(self, nnScoreResult, expectedErr, relTol,
**kwargs)
h2o.beta_features = False