python卡方反函数
时间: 2023-11-26 21:48:25 浏览: 186
根据提供的引用内容,可以了解到卡方反函数是用于计算给定置信水平下的卡方值的阈值。在Python中,可以使用SciPy库中的chi2.ppf()函数来计算卡方反函数。该函数的语法如下:
```python
scipy.stats.chi2.ppf(q, df)
```
其中,q是置信水平,df是自由度。下面是一个示例代码:
```python
import scipy.stats
# 计算置信水平为0.95,自由度为10的卡方反函数
result = scipy.stats.chi2.ppf(0.95, 10)
print(result)
```
输出结果为:
```
18.307038053275143
```
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