一、算法思想
![](https://img.haomeiwen.com/i10053166/d89a9c25aeabeba3.png)
现实世界本身就是不确定的,人类的观察能力是有局限性的。我们日常所观察到的只是事物表面上的结果,因此我们需要提供一个猜测。
例:解决下面这个问题
![](https://img.haomeiwen.com/i10053166/94075000e62e5d4d.png)
分析过程:
![](https://img.haomeiwen.com/i10053166/594f34f926931b07.png)
![](https://img.haomeiwen.com/i10053166/595f3e25aae3d63a.png)
![](https://img.haomeiwen.com/i10053166/6765ded8ae7e4529.png)
![](https://img.haomeiwen.com/i10053166/6b5092136dcfdeff.png)
二、贝叶斯公式
![](https://img.haomeiwen.com/i10053166/3ebc9d7d6de00fd5.png)
三、贝叶斯的实际应用实例
1、拼写纠正实例
![](https://img.haomeiwen.com/i10053166/e76fb5636647957e.png)
分析过程:
![](https://img.haomeiwen.com/i10053166/4b8b15b1de3f970d.png)
![](https://img.haomeiwen.com/i10053166/9da681f1c07d721a.png)
![](https://img.haomeiwen.com/i10053166/ca9713396734370f.png)
![](https://img.haomeiwen.com/i10053166/68c21f68d261ad21.png)
![](https://img.haomeiwen.com/i10053166/f78763adf5ffebb7.png)
贝叶斯拼写检查器的代码实现:
![](https://img.haomeiwen.com/i10053166/ca2e1d6a6d9cba26.png)
思路和函数介绍:
![](https://img.haomeiwen.com/i10053166/749fb705a4a451df.png)
![](https://img.haomeiwen.com/i10053166/dcb807751b22f9cc.png)
![](https://img.haomeiwen.com/i10053166/0fa0fd79adfac7f1.png)
![](https://img.haomeiwen.com/i10053166/5fd8fe23fef91827.png)
![](https://img.haomeiwen.com/i10053166/73df95f6cd4f5012.png)
2、垃圾邮件过滤实例
![](https://img.haomeiwen.com/i10053166/543b8151f482fcfd.png)
![](https://img.haomeiwen.com/i10053166/57102bb3151f80ce.png)
![](https://img.haomeiwen.com/i10053166/98ece1d640375d63.png)
现实世界本身就是不确定的,人类的观察能力是有局限性的。我们日常所观察到的只是事物表面上的结果,因此我们需要提供一个猜测。
例:解决下面这个问题
分析过程:
分析过程:
思路和函数介绍:
本文标题:贝叶斯
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