Python split 的时候报错

最新推荐文章于 2025-06-05 11:40:37 发布

Kodulf_007

最新推荐文章于 2025-06-05 11:40:37 发布

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分类专栏： Python AI人工智能文章标签： Python

本文链接：https://blog.youkuaiyun.com/Kodulf_007/article/details/83963124

在使用Python进行数据处理时遇到RuntimeWarning，涉及LAPACK错误0038，该错误已通过LAPACK 3.2.2修复。同时在调用sklearn的线性模型预测时，因数据形状问题引发ValueError。问题出现在split操作，将1/3改为0.33或其他特定值时恢复正常。建议检查数据集和split代码，确保样本数量不为0。

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RuntimeWarning: internal gelsd driver lwork query error, required iwork dimension not returned. This is likely the result of LAPACK bug 0038, fixed in LAPACK 3.2.2 (released July 21, 2010). Falling back to 'gelss' driver.
linalg.lstsq(X, y)
Traceback (most recent call last):
File "/Users/zhangyinshan/PycharmProjects/untitled/test.py", line 39, in <module>
y_pre = regressor.predict(X_test)
File "/Users/zhangyinshan/PycharmProjects/untitled/venv/lib/python2.7/site-packages/sklearn/linear_model/base.py", line 213, in predict
return self._decision_function(X)
File "/Users/zhangyinshan/PycharmProjects/untitled/venv/lib/python2.7/site-packages/sklearn/linear_model/base.py", line 196, in _decision_function
X = check_array(X, accept_sparse=['csr',