def style_color_palette_sequential()

in chartify/examples.py [0:0]

• 30 lines of code
• 1 McCabe index (conditional complexity)

def style_color_palette_sequential():
    """
    Color palette sequential
    """
    import numpy as np
    import pandas as pd
    import chartify

    data = pd.DataFrame({"time": pd.date_range("2015-01-01", "2018-01-01")})
    n_days = len(data)
    data["1st"] = np.array(list(range(n_days))) + np.random.normal(0, 10, size=n_days)
    data["2nd"] = np.array(list(range(n_days))) + np.random.normal(0, 10, size=n_days) + 200
    data["3rd"] = np.array(list(range(n_days))) + np.random.normal(0, 10, size=n_days) + 500
    data["4th"] = np.array(list(range(n_days))) + np.random.normal(0, 10, size=n_days) + 700
    data["5th"] = np.array(list(range(n_days))) + np.random.normal(0, 10, size=n_days) + 800
    data["6th"] = np.array(list(range(n_days))) + np.random.normal(0, 10, size=n_days) + 1000
    data = pd.melt(
        data,
        id_vars=["time"],
        value_vars=data.columns[1:],
        value_name="y",
        var_name="grouping",
    )

    # Plot the data
    ch = chartify.Chart(blank_labels=True, x_axis_type="datetime")
    ch.style.set_color_palette(palette_type="sequential")
    ch.plot.line(
        data_frame=data.sort_values("time"),
        x_column="time",
        y_column="y",
        color_column="grouping",
    )
    ch.set_title("Sequential color palette type")
    ch.set_subtitle("Palette type for sequential ordered dimensions")
    ch.show(_OUTPUT_FORMAT)