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Python streamhist.StreamHist类代码示例

本文整理汇总了Python中streamhist.StreamHist的典型用法代码示例。如果您正苦于以下问题:Python StreamHist类的具体用法?Python StreamHist怎么用?Python StreamHist使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了StreamHist类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_len

def test_len():
    h = StreamHist(maxbins=5)
    assert len(h) == 0
    h.update(range(5))
    assert len(h) == len(h.bins) == 5
    h.update(range(5))
    assert len(h) == len(h.bins) == 5
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:7,代码来源:test_histogram.py

示例2: test_iterable

def test_iterable():
    h = StreamHist().update([p for p in range(4)])
    assert h.total == 4
    nested = [[1, 2, 3], 4, [5, 6], 7, 8, [9], [10, 11, 12], 13, 14, 15]
    h = StreamHist().update(nested)
    assert h.total == 15
    assert h.mean() == 8
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:7,代码来源:test_histogram.py

示例3: test_counts

def test_counts():
    data = [605, 760, 610, 615, 605, 780, 605, 905]
    h = StreamHist(maxbins=4, weighted=False)
    for p in data:
        h.update(p)
    counts = [b[1] for b in h.bins]
    assert len(data) == reduce(operator.add, counts) == h.total
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:7,代码来源:test_histogram.py

示例4: test_missing

def test_missing():
    data = [1, None, 1, 4, 6]
    h = StreamHist(maxbins=2)
    for p in data:
        h.update(p)
    assert h.missing_count == 1
    assert len(h.bins) == 2
    assert h.bins[0][0] == 1 and h.bins[1][0] == 5
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:8,代码来源:test_histogram.py

示例5: test_string

def test_string():
    h = StreamHist(maxbins=5)
    assert str(h) == "Empty histogram"

    h.update(range(5))
    string = "Mean\tCount\n----\t-----\n"
    string += "0\t1\n1\t1\n2\t1\n3\t1\n4\t1"
    string += "\n----\t-----\nMissing values: 0\nTotal count: 5"
    assert str(h) == string
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:9,代码来源:test_histogram.py

示例6: test_missing_merge

def test_missing_merge():
    h1 = StreamHist(maxbins=8).update(None)
    h2 = StreamHist(maxbins=8)
    assert h1.merge(h2) is not None

    h1 = StreamHist().update(None)
    h2 = StreamHist().update(None)
    merged = StreamHist().merge(h1.merge(h2))

    assert merged.missing_count == 2
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:10,代码来源:test_histogram.py

示例7: test_compute_breaks

def test_compute_breaks():
    points = 10000
    bins = 25
    from numpy import histogram, allclose
    data = make_normal(points)
    h1 = StreamHist().update(data)
    h2, es2 = histogram(data, bins=bins)
    h3, es3 = h1.compute_breaks(bins)

    assert allclose(es2, es3)
    assert allclose(h2, h3, rtol=1, atol=points/(bins**2))
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:11,代码来源:test_histogram.py

示例8: test_describe

def test_describe():
    points = 10000
    data = make_uniform(points)
    h = StreamHist().update(data)
    d = h.describe(quantiles=[0.5])
    print(d)
    assert about(d["50%"], 0.5, 0.05)
    assert about(d["min"], 0.0, 0.05)
    assert about(d["max"], 1.0, 0.05)
    assert about(d["mean"], 0.5, 0.05)
    assert about(d["var"], 0.08, 0.05)
    assert d["count"] == points
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:12,代码来源:test_histogram.py

示例9: test_multi_merge

def test_multi_merge():
    points = 100000
    data = make_uniform(points)
    samples = [data[x:x+100] for x in range(0, len(data), 100)]
    hists = [StreamHist().update(s) for s in samples]
    h1 = sum(hists)
    h2 = StreamHist().update(data)

    q1 = h1.quantiles(.1, .2, .3, .4, .5, .6, .7, .8, .9)
    q2 = h2.quantiles(.1, .2, .3, .4, .5, .6, .7, .8, .9)
    from numpy import allclose
    assert allclose(q1, q2, rtol=1, atol=0.025)
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:12,代码来源:test_histogram.py

示例10: test_median_mean

def test_median_mean():
    points = 10000
    h = StreamHist()
    for p in make_uniform(points):
        h.update(p)
    assert about(h.median(), 0.5, 0.05)

    h = StreamHist()
    for p in make_normal(points):
        h.update(p)
    assert about(h.median(), 0, 0.05)
    assert about(h.mean(), 0, 0.05)
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:12,代码来源:test_histogram.py

示例11: test_exact_median

def test_exact_median():
    points = range(15)  # Odd number of points
    h = StreamHist(maxbins=17)
    h.update(points)
    assert h.median() == 7

    points = range(16)  # Even number of points
    h = StreamHist(maxbins=17)
    h.update(points)
    assert h.median() == 7.5
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:10,代码来源:test_histogram.py

示例12: test_var

def test_var():
    assert StreamHist().update(1).var() is None
    h = StreamHist()
    for p in [1, 1, 2, 3, 4, 5, 6, 6]:
        h.update(p)
    assert h.var() == 3.75
    h = StreamHist()
    for p in make_normal(10000):
        h.update(p)
    assert about(h.var(), 1, 0.05)
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:10,代码来源:test_histogram.py

示例13: test_copy

def test_copy():
    h1 = StreamHist()
    h2 = h1.copy()
    assert h1.bins == h2.bins
    h1.update(make_normal(1000))
    assert h1.bins != h2.bins
    h2 = h1.copy()
    assert h1.bins == h2.bins
    h1 = StreamHist().update([p for p in range(4)])
    h2 = h1.copy()
    assert h1.to_dict() == h2.to_dict()
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:11,代码来源:test_histogram.py

示例14: test_trim

def test_trim():
    points = 1000
    h = StreamHist(maxbins=10)
    for _ in range(points):
        h.update(rand_int(10))
    assert len(h.bins) == 10 and h.total == points

    h = StreamHist(maxbins=10)
    for _ in range(points):
        h.insert(rand_int(10), 1)
        h.trim()
    assert len(h.bins) == 10 and h.total == points
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:12,代码来源:test_histogram.py

示例15: test_freeze

def test_freeze():
    points = 100000
    h = StreamHist(freeze=500)
    for p in make_normal(points):
        h.update(p)
    assert about(h.sum(0), points/2.0, points/50.0)
    assert about(h.median(), 0, 0.05)
    assert about(h.mean(), 0, 0.05)
    assert about(h.var(), 1, 0.05)
开发者ID:carsonfarmer,项目名称:streamhist,代码行数:9,代码来源:test_histogram.py


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