1. 使用`numpy`库的`quantile`函数:
```python
import numpy as np
data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
q1 = np.quantile(data, 0.25)
q3 = np.quantile(data, 0.75)
iqr = q3 - q1
print("第一四分位数(Q1): ", q1)
print("第三四分位数(Q3): ", q3)
print("四分位距(IQR): ", iqr)
2. 使用`pandas`库的`describe`方法:
```python
import pandas as pd
data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
data_frame = pd.DataFrame(data)
print(data_frame.describe())
3. 使用自定义函数计算四分位数:
```python
def quantile_exc(data, n):
data.sort()
position = (len(data) + 1) * n / 4
pos_integer = int(position)
pos_decimal = position - pos_integer
quartile = data[pos_integer - 1] + (data[pos_integer] - data[pos_integer - 1]) * pos_decimal
return quartile
def quantile_inc(data, n):
data.sort()
position = 1 + (len(data) - 1) * n / 4
pos_integer = int(position)
pos_decimal = position - pos_integer
quartile = data[pos_integer - 1] + (data[pos_integer] - data[pos_integer - 1]) * pos_decimal
return quartile
data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
print("使用exc方法计算Q1: ", quantile_exc(data, 0.25))
print("使用exc方法计算Q3: ", quantile_exc(data, 0.75))
以上方法都可以用来计算四分位数,其中`numpy`和`pandas`的方法更为简洁高效。请根据你的具体需求选择合适的方法