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parcoords.py: Fix get_limits compatibility with pandas 3.0 string dtype #440

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parcoords.py: Fix get_limits compatibility with pandas 3.0 string dtype #440

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6 changes: 2 additions & 4 deletions ema_workbench/analysis/parcoords.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,7 @@ def setup_parallel_plot(labels, minima, maxima, formatter=None, fs=14, rot=90):


def get_limits(data):
"""Helper function to get limits of a FataFrame that can serve as input to ParallelAxis.
"""Helper function to get limits of a DataFrame that can serve as input to ParallelAxis.

Parameters
----------
Expand All @@ -110,11 +110,9 @@ def get_limits(data):
Returns
-------
DataFrame

"""

def limits(x):
if x.dtype == "object":
if x.dtype == "object" or pd.api.types.is_string_dtype(x.dtype):
return pd.Series([set(x), set(x)])
else:
return pd.Series([x.min(), x.max()])
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