ValueError: percentiles should all be in the interval [0, 1]
时间: 2024-10-02 12:04:05 浏览: 14
The ValueError: "percentiles should all be in the interval [0, 1]" typically occurs when using a method that expects input percentile values between 0 and 1, such as calculating percentiles or confidence intervals. In the context of statsmodels, this error might happen if you're trying to plot diagnostic plots like those from `results.plot_diagnostics()`[^1], where percentiles are used.
For instance, if you're working with a time series model's residuals and attempting to visualize their distribution through a QQ-plot (a common diagnostic tool), you might encounter this issue if you pass invalid percentile values:
```python
# Incorrectly passing percentiles outside the range [0, 1]
residuals = model.resid
plt.qqplot(residuals, line='q') # May raise the ValueError
# To fix, ensure your percentiles are within the valid range
valid_percentiles = np.linspace(0, 1, num=100)
plt.qqplot(residuals, line='q', probax='y', percentiles=valid_percentiles)
```
To avoid the error, always check that the percentiles you use are correct before plotting.