39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# Warnings
|
|
|
|
|
|
class DegenerateDataWarning(RuntimeWarning):
|
|
"""Warns when data is degenerate and results may not be reliable."""
|
|
def __init__(self, msg=None):
|
|
if msg is None:
|
|
msg = ("Degenerate data encountered; results may not be reliable.")
|
|
self.args = (msg,)
|
|
|
|
|
|
class ConstantInputWarning(DegenerateDataWarning):
|
|
"""Warns when all values in data are exactly equal."""
|
|
def __init__(self, msg=None):
|
|
if msg is None:
|
|
msg = ("All values in data are exactly equal; "
|
|
"results may not be reliable.")
|
|
self.args = (msg,)
|
|
|
|
|
|
class NearConstantInputWarning(DegenerateDataWarning):
|
|
"""Warns when all values in data are nearly equal."""
|
|
def __init__(self, msg=None):
|
|
if msg is None:
|
|
msg = ("All values in data are nearly equal; "
|
|
"results may not be reliable.")
|
|
self.args = (msg,)
|
|
|
|
|
|
# Errors
|
|
|
|
|
|
class FitError(RuntimeError):
|
|
"""Represents an error condition when fitting a distribution to data."""
|
|
def __init__(self, msg=None):
|
|
if msg is None:
|
|
msg = ("An error occurred when fitting a distribution to data.")
|
|
self.args = (msg,)
|