python 三维图直方图_Python | 阶梯直方图

柔情只为你懂 2023-03-05 09:51 182阅读 0赞

python 三维图直方图

A **histogram** is a graphical technique or a type of data representation using bars of different heights such that each bar group's numbers into ranges (bins or buckets). Taller the bar higher the data falls in that bin. A Histogram is one of the most used techniques in data visualization and therefore, matplotlib has provided a function **matplotlib.pyplot.hist()** for plotting histograms. Step histogram is a type of histogram in which Bars are not filled with color, instead only the edge is the representation of Histogram. It is in a form of steps of stairs and therefore it is known as step histogram.

**直方图**是使用不同高度的条形图的图形技术或一种数据表示形式，以使每个条形图组的数字都位于范围内(箱或桶)。 数据落入该容器的栏越高，该栏越高。 直方图是数据可视化中最常用的技术之一，因此，matplotlib提供了一个函数**matplotlib.pyplot.hist()**来绘制直方图。 阶梯直方图是直方图的一种类型，其中条形图未填充颜色，而是仅边缘表示直方图。 它采用阶梯的形式，因此称为阶梯直方图。

The following example illustrates the implementation and use of the Step Histogram Plot.

以下示例说明了“阶梯直方图”的实现和使用。

![Python | Step Histogram Plot (1)][Python _ Step Histogram Plot _1]

![Python | Step Histogram Plot (2)][Python _ Step Histogram Plot _2]

![Python | Step Histogram Plot (3)][Python _ Step Histogram Plot _3]

## 步进直方图的Python代码 **(**Python code for step histogram plot**)** ##

import matplotlib.pyplot as plt
    import numpy as np
    
    # random data generation
    mu, sigma = 100, 15
    x = mu + sigma * np.random.randn(10000)
    
    # Histogram of the Data
    plt.figure()
    plt.hist(x, 25, histtype='step')
    plt.xlabel('Smarts')
    plt.ylabel('Probability')
    plt.title('Step Histogram')
    plt.show()
    
    plt.figure()
    plt.hist(x, 15, density=1, histtype='step')
    plt.xlabel('Smarts')
    plt.ylabel('Probability')
    plt.title('Step Histogram : No. of Bins = 15')
    plt.show()
    
    plt.figure()
    plt.hist(x, 10, density=1, edgecolor='purple', linewidth=2.0, histtype='step')
    plt.xlabel('Smarts')
    plt.ylabel('Probability')
    plt.title('Step Histogram : Edge Width = 2.0')
    plt.show()

**Output:**

**输出：**

Output is as figure

> 翻译自: [https://www.includehelp.com/python/step-histogram-plot.aspx][https_www.includehelp.com_python_step-histogram-plot.aspx]

python 三维图直方图

[Python _ Step Histogram Plot _1]: /images/20230208/0d122942846f4ae8966cb3f36b3808fb.png
[Python _ Step Histogram Plot _2]: /images/20230208/0c986a144c56427186b8369b874da971.png
[Python _ Step Histogram Plot _3]: https://www.includehelp.com/python/images/step-histogram-plot-3.jpg
[https_www.includehelp.com_python_step-histogram-plot.aspx]: https://www.includehelp.com/python/step-histogram-plot.aspx