def main():
"""
Just runs some example code.
"""
# setup the flow
flow = Flow(name="list files")
listfiles = ListFiles()
listfiles.config["dir"] = str(helper.get_data_dir())
listfiles.config["list_files"] = True
listfiles.config["list_dirs"] = False
listfiles.config["recursive"] = False
listfiles.config["regexp"] = ".*.arff"
flow.actors.append(listfiles)
tee = Tee()
flow.actors.append(tee)
convert = Convert()
convert.config["setup"] = conversion.PassThrough()
tee.actors.append(convert)
console = Console()
console.config["prefix"] = "Match: "
tee.actors.append(console)
load = LoadDataset()
load.config["use_custom_loader"] = True
flow.actors.append(load)
cross = CrossValidate()
cross.config["setup"] = Classifier(classname="weka.classifiers.trees.J48",
options=["-C", "0.3"])
flow.actors.append(cross)
summary = EvaluationSummary()
summary.config["matrix"] = True
flow.actors.append(summary)
# print flow
flow.setup()
print("\n" + flow.tree + "\n")
# save the flow
fname = tempfile.gettempdir() + os.sep + "simpleflow.json"
Flow.save(flow, fname)
# load flow
fl2 = Flow.load(fname)
# output flow
fl2.setup()
print("\n" + fl2.tree + "\n")
def main():
"""
Just runs some example code.
"""
# setup the flow
flow = Flow(name="list files")
listfiles = ListFiles()
listfiles.config["dir"] = str(helper.get_data_dir())
listfiles.config["list_files"] = True
listfiles.config["list_dirs"] = False
listfiles.config["recursive"] = False
listfiles.config["regexp"] = ".*.arff"
flow.actors.append(listfiles)
tee = Tee()
flow.actors.append(tee)
convert = Convert()
convert.config["setup"] = conversion.PassThrough()
tee.actors.append(convert)
console = Console()
console.config["prefix"] = "Match: "
tee.actors.append(console)
load = LoadDataset()
load.config["use_custom_loader"] = True
flow.actors.append(load)
cross = CrossValidate()
cross.config["setup"] = Classifier(classname="weka.classifiers.trees.J48", options=["-C", "0.3"])
flow.actors.append(cross)
summary = EvaluationSummary()
summary.config["matrix"] = True
flow.actors.append(summary)
# print flow
flow.setup()
print("\n" + flow.tree + "\n")
# save the flow
fname = tempfile.gettempdir() + os.sep + "simpleflow.json"
Flow.save(flow, fname)
# load flow
fl2 = Flow.load(fname)
# output flow
fl2.setup()
print("\n" + fl2.tree + "\n")
def main():
"""
Just runs some example code.
"""
"""
Tests some conversions.
"""
# setup the flow
helper.print_title("conversions")
flow = Flow(name="conversions")
strings = StringConstants()
strings.config["strings"] = ["weka.classifiers.trees.J48", "weka.classifiers.functions.SMO"]
flow.actors.append(strings)
c2a = CommandlineToAny()
c2a.config["wrapper"] = "weka.classifiers.Classifier"
convert1 = Convert()
convert1.config["setup"] = c2a
flow.actors.append(convert1)
convert2 = Convert()
convert2.config["setup"] = AnyToCommandline()
flow.actors.append(convert2)
console = Console()
console.config["prefix"] = "setup: "
flow.actors.append(console)
# run the flow
msg = flow.setup()
if msg is None:
print("\n" + flow.tree + "\n")
msg = flow.execute()
if msg is not None:
print("Error executing flow:\n" + msg)
else:
print("Error setting up flow:\n" + msg)
flow.wrapup()
flow.cleanup()
def main():
"""
Just runs some example code.
"""
"""
Tests some conversions.
"""
# setup the flow
helper.print_title("conversions")
flow = Flow(name="conversions")
strings = StringConstants()
strings.config["strings"] = [
"weka.classifiers.trees.J48", "weka.classifiers.functions.SMO"
]
flow.actors.append(strings)
c2a = CommandlineToAny()
c2a.config["wrapper"] = "weka.classifiers.Classifier"
convert1 = Convert()
convert1.config["setup"] = c2a
flow.actors.append(convert1)
convert2 = Convert()
convert2.config["setup"] = AnyToCommandline()
flow.actors.append(convert2)
console = Console()
console.config["prefix"] = "setup: "
flow.actors.append(console)
# run the flow
msg = flow.setup()
if msg is None:
print("\n" + flow.tree + "\n")
msg = flow.execute()
if msg is not None:
print("Error executing flow:\n" + msg)
else:
print("Error setting up flow:\n" + msg)
flow.wrapup()
flow.cleanup()
