fix: replace deprecated pandas as_matrix() with to_numpy() - #1013
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fix: replace deprecated pandas as_matrix() with to_numpy()#1013lxcxjxhx wants to merge 1 commit into
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DataFrame.as_matrix() was deprecated in pandas 0.25.0 and removed in later versions. Replace all occurrences with to_numpy() in the TimeSeriesTensor._df2tensors() method across 5 files.
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Description
This PR fixes deprecated pandas API usage in the TimeSeries lessons by replacing
as_matrix()withto_numpy().Changes
DataFrame.as_matrix()withDataFrame.to_numpy()inTimeSeriesTensor._df2tensors()7-TimeSeries/common/utils.py7-TimeSeries/1-Introduction/working/common/utils.py7-TimeSeries/1-Introduction/solution/common/utils.py7-TimeSeries/2-ARIMA/working/common/utils.py7-TimeSeries/2-ARIMA/solution/common/utils.pyMotivation
DataFrame.as_matrix()was deprecated in pandas 0.25.0 and removed in later versions. Students running these lessons with modern pandas encounterAttributeError: 'DataFrame' object has no attribute 'as_matrix'.Testing
to_numpy()is the recommended replacement per pandas documentationRelated Issues
Fixes #1012
Note: Local environment limitations, relying on CI/CD automated testing for full validation.