/
analyze_simulation.py
executable file
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/
analyze_simulation.py
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#!/inside/home/common/bin/python2.7
import os, sys
import event_cycles_module as histseg
import pickle
import argparse
import numpy as np
import re
class EdgeSimulationData:
def __init__(self, edge):
self.edge=edge
self.isTrue=0 # this will be 0 if edge is FP, 1 if TP, 2 if TN, -1 if FN
self.refindex=-1
self.refpreval=-1
self.reforder=-1
self.avecost=-1
self.type=edge.determineEventType()
(self.segstr, self.sign)=histseg.remove_signs_from_segstr(edge.segstr)
self.cnval=edge.cnval*self.sign
def analyze_simulation(edges, refhistoryid, historyScores, datout_fh, stats_fh, breaks_fh):
#make the cost of the refhistoryid 0 so that is doesn't get included in the likelihood calculation
myhistScores=np.copy(historyScores)
myhistScores[np.where(historyScores[:,0] == refhistoryid),:]=0
totalp=histseg.compute_likelihood_histories(myhistScores[:,0], myhistScores)
TP=[0,0,0,0]
FP=[0,0,0,0]
TN=[0,0,0,0]
FN=[0,0,0,0]
FNedges=[]
types=histseg.Global_EVENTTYPES
myEdgeSimData=[] # a list of tuples (edge, isTrue, refpreval, reforder)
for edge in edges:
if not edge.histories: edge.histories=histseg.listout_ranges(edge.histRanges)
myedgesim=EdgeSimulationData(edge)
type=myedgesim.type
if refhistoryid in edge.histories:
refindex=edge.histories.index(refhistoryid)
myedgesim.refindex=refindex
if len(edge.histories)>1:
TP[0]+=1
TP[type]+=1
myedgesim.isTrue=1
edge.histories.pop(refindex)
myedgesim.refpreval=edge.prevals.pop(refindex)
myedgesim.reforder=edge.orders.pop(refindex)
edge.likelihood = histseg.compute_likelihood_histories(edge.histories, myhistScores, totalp)
edge.compute_timing_wmeansd(myhistScores)
edge.histories.insert(refindex, refhistoryid)
edge.prevals.insert(refindex, myedgesim.refpreval)
edge.orders.insert(refindex, myedgesim.reforder)
upperc=edge.uppercosts.pop(refindex)
lowerc=edge.lowercosts.pop(refindex)
myedgesim.avecost=np.mean(np.array(edge.uppercosts+edge.lowercosts))
edge.uppercosts.insert(refindex, upperc)
edge.lowercosts.insert(refindex, lowerc)
else:
FN[0]+=1
FN[type]+=1
FNedges.append(myedgesim)
myedgesim.isTrue=-1
edge.likelihood=1
myedgesim.avecost=np.mean(np.array(edge.uppercosts+edge.lowercosts))
myedgesim.refpreval=edge.prevals[refindex]
myedgesim.reforder=edge.orders[refindex]
else:
FP[0]+=1
FP[type]+=1
edge.likelihood = histseg.compute_likelihood_histories(edge.histories, myhistScores, totalp)
if edge.likelihood >1:
sys.stderr.write("bad lscore: %s\t%s\t%d\n" % (str(edge.likelihood), str(totalp), len(edge.costs)))
myedgesim.isTrue=0
myedgesim.avecost=np.mean(np.array(edge.uppercosts+edge.lowercosts))
myEdgeSimData.append(myedgesim)
if len(FNedges) >0:
TN=checkForCancellingEdges(FNedges) #this will also modify the isTrue value of FNedges
for i in xrange(len(TN)):
FN[i]=FN[i]-TN[i]
if datout_fh:
header="event_id\tevent_type\tavecost\tLscore\tCNval\ttrue\tlength\tprevals\torders\tnumhists\n"
datout_fh.write(header)
for edgesim in myEdgeSimData:
edge=edgesim.edge
prevals=",".join(map(str, [edgesim.refpreval, edge.prevalmean, edge.prevalsd]))
orders=",".join(map(str, [edgesim.reforder, edge.ordermean, edge.ordersd]))
type=edge.determineEventType()
length=edge.get_Event_length()
mystr="\t".join(map(str, [edge.id, types[type], edgesim.avecost, edge.likelihood, edge.cnval, edgesim.isTrue, length, prevals, orders, len(edge.histories)])) + "\n"
datout_fh.write(mystr)
if stats_fh:
stats_fh.write("type\ttotal\tAmp\tDel\tAdj\n")
stats_fh.write("TP\t%s\nFP\t%s\nFN\t%s\nTN\t%s\n" % ("\t".join(map(str, TP)), "\t".join(map(str, FP)), "\t".join(map(str, FN)), "\t".join(map(str, TN)) ))
f1score = float(2*TP[0])/float(2*TP[0]+FN[0]+FP[0])
stats_fh.write("F1Score:\t%s\n" % (str(f1score)))
if breaks_fh:
breakpoints=histseg.get_breakpoints(edges, refhistoryid)
for loc in breakpoints.keys():
(n, t) = breakpoints[loc]
breaks_fh.write("%s\t%d\t%d\n" % (loc, n, t))
breaks_fh.write("Breakpoints: %d\n" % len(breakpoints))
def checkForCancellingEdges(edgesims):
sortededgesims=sorted(edgesims, key=lambda x: (x.segstr, x.edge.cnval))
preseg=sortededgesims[0]
numpairs=0
TN=[0,0,0,0]
types=histseg.Global_EVENTTYPES
for edgesim in sortededgesims[1:]:
if edgesim.segstr == preseg.segstr and (edgesim.cnval == -1 * preseg.cnval):
numpairs+=1
edgesim.isTrue=2
preseg.isTrue=2
TN[0]+=2
TN[preseg.type]+=1
TN[edgesim.type]+=1
preseg=edgesim
return TN
def add_options(parser):
parser.add_argument('pedgs', help='a .pedgs file')
parser.add_argument('trueID', help='the ID of the true history', type=int)
parser.add_argument('historystats', help='The file of history stats')
parser.add_argument('--datout', help='the file to write data to', type=argparse.FileType('w')) #, default=sys.stdout)
parser.add_argument('--stats', help='the file to write stats to.', type=argparse.FileType('w')) #, default=sys.stderr)
parser.add_argument('--breaks', help='the file to write breaklocations to.', type=argparse.FileType('w')) #, default=sys.stderr)
parser.add_argument('--binwidth', dest='binwidth', help='the multiplier between history ids of independent runs', default=histseg.Global_BINWIDTH, type="int")
if __name__== '__main__':
parser = argparse.ArgumentParser(description='does analysis for simulation tests')
add_options(parser)
args=parser.parse_args()
histseg.Global_K=0 #this used to be 1 initially.
histseg.Global_BINWIDTH=args.binwidth
allevents=pickle.load(open(args.pedgs, 'rb'))
historyScores=np.loadtxt(args.historystats, dtype=int)
analyze_simulation(allevents, args.trueID, historyScores, args.datout, args.stats, args.breaks)