【发布时间】:2017-11-21 01:58:49
【问题描述】:
numbers = LabelEncoder()
State_Data['Quality'] = numbers.fit_transform(State_Data['Quality
Parameter'].astype('str'))
this is generating the following error :
/opt/conda/lib/python3.5/site-packages/ipykernel/__main__.py:1:
SettingWithCopyWarning:
A value is trying to be set on a copy of a slice from a DataFrame.
Try using .loc[row_indexer,col_indexer] = value instead
我在对水质数据集进行分析时遇到此错误并且无法解决它。它建议使用 .loc 但我也尝试过,但它也不起作用。 请告诉我如何解决这个问题?
【问题讨论】:
标签: python python-3.x ipython jupyter-notebook data-analysis