コード例 #1
0
	def load_confounders(self,confounder_filename):
		nfileio = FileIO()
		return nfileio.load_metadata(confounder_filename)
コード例 #2
0
import sys


samples_filename = sys.argv[1]
class_labels_filename = sys.argv[2]
metadata_filename = sys.argv[3]
output_filename = sys.argv[4]

from pica.Sample import SampleSet, ClassLabelSet
from pica.io.FileIO import FileIO
from pica.IntegerMapping import IntegerMapping
from pica.trainers.cwmi.CWMILibrary import CWMILibrary

fileio = FileIO()
cwmilibrary = CWMILibrary()
metadata = fileio.load_metadata(metadata_filename)
samples = fileio.load_samples(samples_filename)
classes = fileio.load_classes(class_labels_filename)
samples.load_class_labels(classes)
confounders = metadata.get_key_list()[1:]

outlines = []
header_line = ["phenotype"]

header_line.extend(confounders)
header_line.append("total")
outlines.append("\t".join(header_line))

for class_name in classes.get_classes():
	"generate phenotype map"
	
コード例 #3
0
ファイル: crossvalidate.py プロジェクト: FloFlo93/PICA
	ClassifierClass = __import__(modulepath, fromlist=(classname,))
	classifier = ClassifierClass.__dict__[classname](options.parameters)
	classifier.set_null_flag("NULL")
	
	test_configurations = [TestConfiguration("A",None,trainer,classifier)]
	
	#RVF changed (added the last 3 parameters)
	if ( options.crossval_files ):
		crossvalidator = CrossValidation(samples,options.parameters,options.folds,options.replicates,test_configurations,False,None,options.target_class,options.output_filename)
	else:
		crossvalidator = CrossValidation(samples,options.parameters,options.folds,options.replicates,test_configurations)		
	crossvalidator.crossvalidate()
	classifications,misclassifications = crossvalidator.get_classification_vector()
	metadata = None
	if options.metadata:
		metadata = fileio.load_metadata(options.metadata)
	
	fout = open(options.output_filename,"w")
	fout.write("who\t%s\tFalse Classifications\tTrue Classifications\tTotal"%(options.target_class))
	if metadata:
		for key in metadata.get_key_list():
			fout.write("\t%s"%(key))
	fout.write("\n")
	for who in misclassifications.keys():
		fout.write("%s\t%s\t%d\t%d\t%d"%(who,classes[who][options.target_class],misclassifications[who][0],misclassifications[who][1],misclassifications[who][0]+misclassifications[who][1]))
		if metadata:
			m = metadata.get(who,{})
			for key in metadata.get_key_list():
				fout.write("\t%s"%(m.get(key,"")))
		fout.write("\n")
	stats = crossvalidator.get_summary_statistics(0)
コード例 #4
0
import sys

samples_filename = sys.argv[1]
class_labels_filename = sys.argv[2]
metadata_filename = sys.argv[3]
output_filename = sys.argv[4]

from pica.Sample import SampleSet, ClassLabelSet
from pica.io.FileIO import FileIO
from pica.IntegerMapping import IntegerMapping
from pica.trainers.cwmi.CWMILibrary import CWMILibrary

fileio = FileIO()
cwmilibrary = CWMILibrary()
metadata = fileio.load_metadata(metadata_filename)
samples = fileio.load_samples(samples_filename)
classes = fileio.load_classes(class_labels_filename)
samples.load_class_labels(classes)
confounders = metadata.get_key_list()[1:]

outlines = []
header_line = ["phenotype"]

header_line.extend(confounders)
header_line.append("total")
outlines.append("\t".join(header_line))

for class_name in classes.get_classes():
    "generate phenotype map"