Exemplo n.º 1
0
def test(filename):
    p = 5

    for i in xrange(10):
        num = 10*(i+1)
        read = MAR()
        read = read.create(filename,partitions = p)
        poses = np.where(np.array(read.body['label']) == "yes")[0]
        negs = np.where(np.array(read.body['label']) == "no")[0]
        pos_sel = np.random.choice(poses, num, replace=False)
        neg_sel = np.random.choice(negs, num*10, replace=False)

        for id in pos_sel:
            read.code_error(id)
        for id in neg_sel:
            read.code_error(id)

        read.get_numbers()
        start = time.time()
        a,b,c,d = read.train_para()
        duration = time.time()-start
        print(duration)

        read.get_numbers()
        start = time.time()
        a,b,c,d = read.train()
        duration2 = time.time()-start
        print(duration2)
Exemplo n.º 2
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def START(filename, cl="linear"):
    stop = 1
    thres = 40
    # thres=10000000000

    read = MAR()
    read = read.create(filename)
    target = int(read.get_allbugs() * stop)
    while True:
        found, cost, total = read.get_numbers()
        try:
            print("%d, %d" % (found, cost))
        except:
            pass
        if found >= target:
            break

        if found == 0 or cost < thres:
            for id in read.loc_sort():
                read.code(id, read.body["label"][id])
        else:
            ids, c = read.train(cl=cl)
            for id in ids:
                read.code(id, read.body["label"][id])
    read.plot()
    set_trace()
    return read
Exemplo n.º 3
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def START_est(filename):
    stop = 0.90
    thres = 40
    flag = True

    read = MAR()
    read = read.create(filename)
    read.restart()
    read = MAR()
    read = read.create(filename)
    target = int(read.get_allpos() * stop)
    while True:
        pos, neg, total = read.get_numbers()
        # print("%d, %d" %(pos,pos+neg))
        if pos >= target:
            break
        if pos == 0 or pos + neg < thres:
            for id in read.random():
                read.code(id, read.body["label"][id])
        else:
            a, b, ids, c = read.train(pne=True)

            if pos >= 60 and flag:
                read.cache_est()
                # read.xx=read.simcurve['x']
                # read.yy=read.simcurve['pos']
                flag = False

            for id in ids:
                read.code(id, read.body["label"][id])
    return read
Exemplo n.º 4
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def START_AUTO(filename):
    read = MAR()
    read = read.create(filename)
    pos_last = 0
    full_life = 3
    life = full_life
    while True:
        pos, neg, total = read.get_numbers()
        print("%d/ %d" % (pos, pos + neg))
        if pos >= 10:
            if pos == pos_last:
                life = life - 1
                if life == 0:
                    break
            else:
                life = full_life
        if pos == 0:
            for id in read.random():
                read.code(id, read.body["label"][id])
        else:
            a, b, ids, c = read.train()
            for id in ids:
                read.code(id, read.body["label"][id])
        pos_last = pos
    return read
Exemplo n.º 5
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def TEST_AL(filename,
            old_files=[],
            stop='est',
            stopat=1,
            error='none',
            interval=100000,
            starting=1,
            seed=0,
            step=10):
    stopat = float(stopat)
    thres = 0
    counter = 0
    pos_last = 0
    np.random.seed(seed)

    read = MAR()
    read = read.create(filename, old_files)
    read.step = step

    read.interval = interval

    num2 = read.get_allpos()
    target = int(num2 * stopat)
    if stop == 'est':
        read.enable_est = True
    else:
        read.enable_est = False

    while True:
        pos, neg, total = read.get_numbers()
        try:
            print("%d, %d, %d" % (pos, pos + neg, read.est_num))
        except:
            print("%d, %d" % (pos, pos + neg))

        if pos + neg >= total:
            break

        if pos < starting or pos + neg < thres:
            for id in read.random():
                read.code_error(id, error=error)
        else:
            a, b, c, d = read.train(weighting=True, pne=True)
            if pos >= target and read.est_num * stopat <= pos:
                break
            for id in c:
                read.code_error(id, error=error)
    # read.export()
    # results = analyze(read)
    # print(results)
    # read.plot()
    return read
Exemplo n.º 6
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def START_ERROR(filename):
    read = MAR()
    read = read.create(filename)
    pos_last = 0
    full_life = 3
    human_error = 0.2
    life = full_life
    while True:
        pos, neg, total = read.get_numbers()
        print("%d/ %d" % (pos, pos + neg))
        if pos >= 10:
            if pos == pos_last:
                life = life - 1
                if life == 0:
                    break
            else:
                life = full_life
        if pos == 0:
            for id in read.random():
                if read.body["label"][id] == "no":
                    if random.random() < human_error**2:
                        hl = "yes"
                    else:
                        hl = "no"
                elif read.body["label"][id] == "yes":
                    if random.random() < 2 * (human_error - human_error**2):
                        hl = "no"
                    else:
                        hl = "yes"
                read.code(id, hl)
        else:
            a, b, ids, c = read.train()
            for id in ids:
                if read.body["label"][id] == "no":
                    if random.random() < human_error**2:
                        hl = "yes"
                    else:
                        hl = "no"
                elif read.body["label"][id] == "yes":
                    if random.random() < 2 * (human_error - human_error**2):
                        hl = "no"
                    else:
                        hl = "yes"
                read.code(id, hl)
        pos_last = pos
    read.export()
    return read
Exemplo n.º 7
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def UPDATE(filename, old, pne=False, cl="RF"):
    stop = 1

    read = MAR()
    read = read.create(filename)
    read.create_old(old)
    num2 = read.get_allpos()
    target = int(num2 * stop)
    while True:
        pos, neg, total = read.get_numbers()
        print("%d/ %d" % (pos, pos + neg))
        if pos >= target:
            break
        a, b, ids, c = read.train(pne=pne, cl=cl)
        for id in ids:
            read.code(id, read.body["label"][id])
    return read
Exemplo n.º 8
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def test_semi(filename="Hall.csv"):
    num = 20
    read = MAR()
    read = read.create(filename)
    poses = np.where(np.array(read.body['label']) == "yes")[0]
    negs = np.where(np.array(read.body['label']) == "no")[0]
    pos_sel = np.random.choice(poses, num, replace=False)
    neg_sel = np.random.choice(negs, num*10, replace=False)

    for id in pos_sel:
        read.code_error(id)
    for id in neg_sel:
        read.code_error(id)
    read.enable_est = True
    read.get_numbers()
    a,b,c,d = read.train()
    set_trace()
Exemplo n.º 9
0
def Codes(filename, code):
    stop = 0.95
    thres = 0
    if "P" in code:
        starting = 5
    else:
        starting = 1

    weighting = "W" in code or "M" in code
    uncertain = "U" in code
    stopping = "S" in code

    read = MAR()
    read = read.create(filename)
    read.restart()
    read = MAR()
    read = read.create(filename)
    if not ("A" in code or "M" in code):
        read.enough = 100000
    target = int(read.get_allpos() * stop)
    while True:
        pos, neg, total = read.get_numbers()
        # print("%d, %d" %(pos,pos+neg))
        if pos >= target:
            break
        if pos < starting or pos + neg < thres:
            for id in read.random():
                read.code(id, read.body["label"][id])
        else:
            a, b, c, d, e = read.train(weighting=weighting)
            if pos < 30 and uncertain:
                for id in a:
                    read.code(id, read.body["label"][id])
            else:
                if stopping:
                    now = 0
                    while pos < target:
                        for id in e[now:now + read.step]:
                            read.code(id, read.body["label"][id])
                        pos, neg, total = read.get_numbers()
                        now = now + read.step
                else:
                    for id in c:
                        read.code(id, read.body["label"][id])
    return read
Exemplo n.º 10
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def START_LOC(filename, cl="SVM-linear"):
    stop = 1

    read = MAR()
    read = read.create(filename)
    target = int(read.get_allpos() * stop)
    while True:
        pos, neg, total = read.get_numbers()
        print("%d, %d" % (pos, pos + neg))
        if pos >= target:
            break
        if pos == 0 or pos + neg < 40:
            for id in read.loc_sort():
                read.code(id, read.body["label"][id])
        else:
            a, b, ids, c = read.train(cl=cl)
            for id in ids:
                read.code(id, read.body["label"][id])
    return read
Exemplo n.º 11
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def UPDATE_AUTO(filename, old, pne=True):

    read = MAR()
    read = read.create(filename)
    read.create_old(old)
    pos_last = -1
    full_life = 5
    life = full_life
    while True:
        pos, neg, total = read.get_numbers()
        print("%d/ %d" % (pos, pos + neg))
        if pos == pos_last:
            life = life - 1
            if life == 0:
                break
        else:
            life = full_life
        a, b, ids, c = read.train(pne)
        for id in ids:
            read.code(id, read.body["label"][id])
        pos_last = pos
    return read
Exemplo n.º 12
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def REUSE(filename, old):
    stop = 0.9
    thres = 5

    read = MAR()
    read = read.create(filename)
    read.create_old(old)
    num2 = read.get_allpos()
    target = int(num2 * stop)
    while True:
        pos, neg, total = read.get_numbers()
        # print("%d/ %d" % (pos,pos+neg))
        if pos >= target:
            break
        if pos < thres:
            a, b, ids, c = read.train()
            for id in ids:
                read.code(id, read.body["label"][id])
        else:
            a, b, ids, c = read.train_reuse()
            for id in ids:
                read.code(id, read.body["label"][id])
    return read
Exemplo n.º 13
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def START_DOC2VEC(filename):
    stop = 0.95
    thres = 40

    read = MAR()
    read = read.create(filename)
    read.restart()
    read = MAR()
    read = read.create(filename)
    target = int(read.get_allpos() * stop)
    while True:
        pos, neg, total = read.get_numbers()
        print("%d, %d" % (pos, pos + neg))
        if pos >= target:
            break
        if pos == 0 or pos + neg < thres:
            for id in read.random():
                read.code(id, read.body["label"][id])
        else:
            a, b, c, d, e = read.train(weighting=True)
            for id in c:
                read.code(id, read.body["label"][id])
    return read
Exemplo n.º 14
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def UPDATE_REUSE(filename, old):
    stop = 0.9
    lifes = 2
    life = lifes
    last_pos = 0
    thres = 5

    read = MAR()
    read = read.create(filename)
    read.create_old(old)
    num2 = read.get_allpos()
    target = int(num2 * stop)
    while True:
        pos, neg, total = read.get_numbers()
        # print("%d/ %d" % (pos, pos + neg))

        if pos - last_pos:
            life = lifes
        else:
            life = life - 1
        last_pos = pos

        if pos >= target:
            break
        # if (pos >= thres or pos==0) and life<1:
        if (pos >= thres) and life < 1:
            # print("reuse")
            lifes = 0
            a, b, ids, c = read.train_reuse()
            for id in ids:
                read.code(id, read.body["label"][id])
        else:
            # print("update")
            a, b, ids, c = read.train()
            for id in ids:
                read.code(id, read.body["label"][id])
    return read
Exemplo n.º 15
0
        read.BM25(query.split())
    while True:
        pos, neg, total = read.get_numbers()
        try:
            print("%d, %d, %d" % (pos, pos + neg, read.est_num))
        except:
            print("%d, %d" % (pos, pos + neg))

        if pos + neg >= total:
            break

        if pos < 1:
            if query:
                ids, scores = read.BM25_get()
                for id in ids:
                    read.code(id, read.body["label"][id])
            else:
                for id in read.random():
                    read.code(id, read.body["label"][id])
        else:
            uncertain, uncertain_proba, certain, certain_proba, _ = read.train(
                weighting=True, pne=True)
            if target_recall * read.est_num <= pos:
                break
            if pos <= thres:
                for id in uncertain:
                    read.code(id, read.body["label"][id])
            else:
                for id in certain:
                    read.code(id, read.body["label"][id])
Exemplo n.º 16
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def active_learning(filename,
                    query='',
                    stop='true',
                    stopat=1.00,
                    error='none',
                    interval=100000,
                    seed=0):
    stopat = float(stopat)
    thres = 0
    starting = 1
    counter = 0
    pos_last = 0
    np.random.seed(seed)

    read = MAR()
    read = read.create(filename)
    # random sampling or by querying similar documents
    # self.bm is provided with a list or a view of a dict's value which is not sorted
    read.BM25(query.strip().split('_'))

    # get the rest #pos documents
    num2 = read.get_allpos()
    target = int(
        num2 * stopat
    )  # stopat is 1. Is it the minum num of pos to activate svm training ?
    if stop == 'est':  # stop = 'true'
        read.enable_est = True
    else:
        read.enable_est = False  # will excute this line

    while True:
        pos, neg, total = read.get_numbers()
        try:
            print("%d, %d, %d" %
                  (pos, pos + neg, read.est_num))  # what is est_num ?
        except:
            print("%d, %d" % (pos, pos + neg))  # execute this line

        if pos + neg >= total:  # do not go inside
            if stop == 'knee' and error == 'random':
                coded = np.where(
                    np.array(read.body['code']) != "undetermined")[0]
                seq = coded[np.argsort(read.body['time'][coded])]
                part1 = set(seq[:read.kneepoint * read.step]) & set(
                    np.where(np.array(read.body['code']) == "no")[0])
                part2 = set(seq[read.kneepoint * read.step:]) & set(
                    np.where(np.array(read.body['code']) == "yes")[0])
                for id in part1 | part2:
                    read.code_error(id, error=error)
            break

        if pos < starting or pos + neg < thres:  # the second condition doesn't work
            for id in read.BM25_get(
            ):  # select a set of candidates from self.pool
                read.code_error(
                    id, error=error
                )  # simulate human labeling error, default is no error
        else:
            a, b, c, d = read.train(weighting=True, pne=True)
            if stop == 'est':
                if stopat * read.est_num <= pos:
                    break
            elif stop == 'soft':
                if pos >= 10 and pos_last == pos:
                    counter = counter + 1
                else:
                    counter = 0
                pos_last = pos
                if counter >= 5:
                    break
            elif stop == 'knee':
                if pos >= 10:
                    if read.knee():
                        if error == 'random':
                            coded = np.where(
                                np.array(read.body['code']) != "undetermined"
                            )[0]
                            seq = coded[np.argsort(
                                np.array(read.body['time'])[coded])]
                            part1 = set(
                                seq[:read.kneepoint * read.step]) & set(
                                    np.where(
                                        np.array(read.body['code']) == "no")
                                    [0])
                            part2 = set(
                                seq[read.kneepoint * read.step:]) & set(
                                    np.where(
                                        np.array(read.body['code']) == "yes")
                                    [0])
                            for id in part1 | part2:
                                read.code_error(id, error=error)
                        break
            else:
                if pos >= target:
                    break
            if pos < 10:
                for id in a:
                    read.code_error(id, error=error)
            else:
                for id in c:
                    read.code_error(id, error=error)
    return read
Exemplo n.º 17
0
def active_learning(filename,
                    query='',
                    stop='true',
                    stopat=0.95,
                    error='none',
                    interval=100000,
                    seed=0):
    stopat = float(stopat)
    thres = 0
    starting = 1
    counter = 0
    pos_last = 0
    np.random.seed(seed)
    read = MAR()
    read = read.create(filename)
    read.interval = interval

    read.BM25(query.strip().split('_'))

    num2 = read.get_allpos()
    target = int(num2 * stopat)
    print("number of target, true/close here:", target)

    if stop == 'est':
        read.enable_est = True
    else:
        read.enable_est = False

    while True:
        pos, neg, total = read.get_numbers()
        try:
            print("%d, %d, %d" % (pos, pos + neg, read.est_num))
        except:
            print("%d, %d" % (pos, pos + neg))

        if pos + neg >= total:
            if stop == 'knee' and error == 'random':
                coded = np.where(
                    np.array(read.body['code']) != "undetermined")[0]
                seq = coded[np.argsort(read.body['time'][coded])]
                part1 = set(seq[:read.kneepoint * read.step]) & set(
                    np.where(np.array(read.body['code']) == "no")[0])
                part2 = set(seq[read.kneepoint * read.step:]) & set(
                    np.where(np.array(read.body['code']) == "yes")[0])
                for id in part1 | part2:
                    read.code_error(id, error=error)
            break

        if pos < starting or pos + neg < thres:
            for id in read.BM25_get():
                read.code_error(id, error=error)
        else:
            a, b, c, d = read.train(weighting=True, pne=True)
            if stop == 'est':
                if stopat * read.est_num <= pos:
                    break
            elif stop == 'soft':
                if pos >= 10 and pos_last == pos:
                    counter = counter + 1
                else:
                    counter = 0
                pos_last = pos
                if counter >= 5:
                    break
            elif stop == 'knee':
                if pos >= 10:
                    if read.knee():
                        if error == 'random':
                            coded = np.where(
                                np.array(read.body['code']) != "undetermined"
                            )[0]
                            seq = coded[np.argsort(
                                np.array(read.body['time'])[coded])]
                            part1 = set(
                                seq[:read.kneepoint * read.step]) & set(
                                    np.where(
                                        np.array(read.body['code']) == "no")
                                    [0])
                            part2 = set(
                                seq[read.kneepoint * read.step:]) & set(
                                    np.where(
                                        np.array(read.body['code']) == "yes")
                                    [0])
                            for id in part1 | part2:
                                read.code_error(id, error=error)
                        break
            else:
                if pos >= target:
                    break
            if pos < 10:
                for id in a:
                    read.code_error(id, error=error)
            else:
                for id in c:
                    read.code_error(id, error=error)
    set_trace()
    return read