Python plotting.parallel_coordinates方法代碼示例

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def test_parallel_coordinates_with_sorted_labels(self):
        """ For #15908 """
        from pandas.plotting import parallel_coordinates

        df = DataFrame({"feat": [i for i in range(30)],
                        "class": [2 for _ in range(10)] +
                                 [3 for _ in range(10)] +
                                 [1 for _ in range(10)]})
        ax = parallel_coordinates(df, 'class', sort_labels=True)
        polylines, labels = ax.get_legend_handles_labels()
        color_label_tuples = \
            zip([polyline.get_color() for polyline in polylines], labels)
        ordered_color_label_tuples = sorted(color_label_tuples,
                                            key=lambda x: x[1])
        prev_next_tupels = zip([i for i in ordered_color_label_tuples[0:-1]],
                               [i for i in ordered_color_label_tuples[1:]])
        for prev, nxt in prev_next_tupels:
            # labels and colors are ordered strictly increasing
            assert prev[1] < nxt[1] and prev[0] < nxt[0] 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def test_get_standard_colors_random_seed(self):
        # GH17525
        df = DataFrame(np.zeros((10, 10)))

        # Make sure that the random seed isn't reset by _get_standard_colors
        plotting.parallel_coordinates(df, 0)
        rand1 = random.random()
        plotting.parallel_coordinates(df, 0)
        rand2 = random.random()
        assert rand1 != rand2

        # Make sure it produces the same colors every time it's called
        from pandas.plotting._style import _get_standard_colors
        color1 = _get_standard_colors(1, color_type='random')
        color2 = _get_standard_colors(1, color_type='random')
        assert color1 == color2 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def test_parallel_coordinates_with_sorted_labels(self):
        """ For #15908 """
        from pandas.plotting import parallel_coordinates

        df = DataFrame({"feat": [i for i in range(30)],
                        "class": [2 for _ in range(10)] +
                        [3 for _ in range(10)] +
                        [1 for _ in range(10)]})
        ax = parallel_coordinates(df, 'class', sort_labels=True)
        polylines, labels = ax.get_legend_handles_labels()
        color_label_tuples = \
            zip([polyline.get_color() for polyline in polylines], labels)
        ordered_color_label_tuples = sorted(color_label_tuples,
                                            key=lambda x: x[1])
        prev_next_tupels = zip([i for i in ordered_color_label_tuples[0:-1]],
                               [i for i in ordered_color_label_tuples[1:]])
        for prev, nxt in prev_next_tupels:
            # labels and colors are ordered strictly increasing
            assert prev[1] < nxt[1] and prev[0] < nxt[0] 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def parallel_plot(data, num=None):
    plt.figure(num=num, figsize=(50,25))
    ax = parallel_coordinates(
        data, 'target', colormap=cmap, axvlines=False)

    plt.legend().set_visible(False)
    plt.grid(False)

    ax.xaxis.set_ticks_position('none')
    for label in ax.get_xticklabels():
        label.set_fontname('Arial')
        label.set_fontsize(0)
    for label in ax.get_yticklabels():
        label.set_fontname('Arial')
        label.set_fontsize(30)
    axis_font = {'fontname':'Arial', 'size':'35'}
    plt.ylabel("Numeric Representation", **axis_font)
    plt.xlabel("Fingerprint", **axis_font)


# We can then plot the original unscaled data.

# In[10]: 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def parallel_plot(data, num=None):
    plt.figure(num=num, figsize=(50,25))
    ax = parallel_coordinates(
        data, 'target', colormap=cmap, axvlines=False)

    plt.legend().set_visible(False)
    plt.grid(False)

    ax.xaxis.set_ticks_position('none')
    for label in ax.get_xticklabels():
        label.set_fontname('Arial')
        label.set_fontsize(0)
    for label in ax.get_yticklabels():
        label.set_fontname('Arial')
        label.set_fontsize(30)
    axis_font = {'fontname':'Arial', 'size':'35'}
    plt.ylabel("Numeric Representation", **axis_font)
    plt.xlabel("Fingerprint", **axis_font)


# In[11]: 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def test_parallel_coordinates_with_sorted_labels(self):
        """ For #15908 """
        from pandas.plotting import parallel_coordinates
        df = DataFrame({"feat": [i for i in range(30)],
                        "class": [2 for _ in range(10)] +
                        [3 for _ in range(10)] +
                        [1 for _ in range(10)]})
        ax = parallel_coordinates(df, 'class', sort_labels=True)
        polylines, labels = ax.get_legend_handles_labels()
        color_label_tuples = \
            zip([polyline.get_color() for polyline in polylines], labels)
        ordered_color_label_tuples = sorted(color_label_tuples,
                                            key=lambda x: x[1])
        prev_next_tupels = zip([i for i in ordered_color_label_tuples[0:-1]],
                               [i for i in ordered_color_label_tuples[1:]])
        for prev, nxt in prev_next_tupels:
            # lables and colors are ordered strictly increasing
            assert prev[1] < nxt[1] and prev[0] < nxt[0] 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def test_parallel_coordinates(self, iris):
        from pandas.plotting import parallel_coordinates
        from matplotlib import cm

        df = iris

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name')
        nlines = len(ax.get_lines())
        nxticks = len(ax.xaxis.get_ticklabels())

        rgba = ('#556270', '#4ECDC4', '#C7F464')
        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', color=rgba)
        self._check_colors(
            ax.get_lines()[:10], linecolors=rgba, mapping=df['Name'][:10])

        cnames = ['dodgerblue', 'aquamarine', 'seagreen']
        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', color=cnames)
        self._check_colors(
            ax.get_lines()[:10], linecolors=cnames, mapping=df['Name'][:10])

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', colormap=cm.jet)
        cmaps = lmap(cm.jet, np.linspace(0, 1, df['Name'].nunique()))
        self._check_colors(
            ax.get_lines()[:10], linecolors=cmaps, mapping=df['Name'][:10])

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', axvlines=False)
        assert len(ax.get_lines()) == (nlines - nxticks)

        colors = ['b', 'g', 'r']
        df = DataFrame({"A": [1, 2, 3],
                        "B": [1, 2, 3],
                        "C": [1, 2, 3],
                        "Name": colors})
        ax = parallel_coordinates(df, 'Name', color=colors)
        handles, labels = ax.get_legend_handles_labels()
        self._check_colors(handles, linecolors=colors)

        with tm.assert_produces_warning(FutureWarning):
            parallel_coordinates(data=df, class_column='Name')
        with tm.assert_produces_warning(FutureWarning):
            parallel_coordinates(df, 'Name', colors=colors)

    # not sure if this is indicative of a problem 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def test_parallel_coordinates(self, iris):
        from pandas.plotting import parallel_coordinates
        from matplotlib import cm

        df = iris

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name')
        nlines = len(ax.get_lines())
        nxticks = len(ax.xaxis.get_ticklabels())

        rgba = ('#556270', '#4ECDC4', '#C7F464')
        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', color=rgba)
        self._check_colors(
            ax.get_lines()[:10], linecolors=rgba, mapping=df['Name'][:10])

        cnames = ['dodgerblue', 'aquamarine', 'seagreen']
        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', color=cnames)
        self._check_colors(
            ax.get_lines()[:10], linecolors=cnames, mapping=df['Name'][:10])

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', colormap=cm.jet)
        cmaps = lmap(cm.jet, np.linspace(0, 1, df['Name'].nunique()))
        self._check_colors(
            ax.get_lines()[:10], linecolors=cmaps, mapping=df['Name'][:10])

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', axvlines=False)
        assert len(ax.get_lines()) == (nlines - nxticks)

        colors = ['b', 'g', 'r']
        df = DataFrame({"A": [1, 2, 3],
                        "B": [1, 2, 3],
                        "C": [1, 2, 3],
                        "Name": colors})
        ax = parallel_coordinates(df, 'Name', color=colors)
        handles, labels = ax.get_legend_handles_labels()
        self._check_colors(handles, linecolors=colors)

        with tm.assert_produces_warning(FutureWarning):
            parallel_coordinates(data=df, class_column='Name')
        with tm.assert_produces_warning(FutureWarning):
            parallel_coordinates(df, 'Name', colors=colors) 

# 需要導入模塊: from pandas import plotting [as 別名]
# 或者: from pandas.plotting import parallel_coordinates [as 別名]
def test_parallel_coordinates(self):
        from pandas.plotting import parallel_coordinates
        from matplotlib import cm

        df = self.iris

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name')
        nlines = len(ax.get_lines())
        nxticks = len(ax.xaxis.get_ticklabels())

        rgba = ('#556270', '#4ECDC4', '#C7F464')
        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', color=rgba)
        self._check_colors(
            ax.get_lines()[:10], linecolors=rgba, mapping=df['Name'][:10])

        cnames = ['dodgerblue', 'aquamarine', 'seagreen']
        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', color=cnames)
        self._check_colors(
            ax.get_lines()[:10], linecolors=cnames, mapping=df['Name'][:10])

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', colormap=cm.jet)
        cmaps = lmap(cm.jet, np.linspace(0, 1, df['Name'].nunique()))
        self._check_colors(
            ax.get_lines()[:10], linecolors=cmaps, mapping=df['Name'][:10])

        ax = _check_plot_works(parallel_coordinates,
                               frame=df, class_column='Name', axvlines=False)
        assert len(ax.get_lines()) == (nlines - nxticks)

        colors = ['b', 'g', 'r']
        df = DataFrame({"A": [1, 2, 3],
                        "B": [1, 2, 3],
                        "C": [1, 2, 3],
                        "Name": colors})
        ax = parallel_coordinates(df, 'Name', color=colors)
        handles, labels = ax.get_legend_handles_labels()
        self._check_colors(handles, linecolors=colors)

        with tm.assert_produces_warning(FutureWarning):
            parallel_coordinates(data=df, class_column='Name')
        with tm.assert_produces_warning(FutureWarning):
            parallel_coordinates(df, 'Name', colors=colors)