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25 lines
1.0 KiB
Python
25 lines
1.0 KiB
Python
# Stubs for statistics
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from decimal import Decimal
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from fractions import Fraction
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import sys
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from typing import Iterable, Optional, TypeVar
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# Most functions in this module accept homogeneous collections of one of these types
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_Number = TypeVar('_Number', float, Decimal, Fraction)
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class StatisticsError(ValueError): ...
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def mean(data: Iterable[_Number]) -> _Number: ...
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if sys.version_info >= (3, 6):
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def harmonic_mean(data: Iterable[_Number]) -> _Number: ...
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def median(data: Iterable[_Number]) -> _Number: ...
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def median_low(data: Iterable[_Number]) -> _Number: ...
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def median_high(data: Iterable[_Number]) -> _Number: ...
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def median_grouped(data: Iterable[_Number]) -> _Number: ...
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def mode(data: Iterable[_Number]) -> _Number: ...
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def pstdev(data: Iterable[_Number], mu: Optional[_Number] = ...) -> _Number: ...
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def pvariance(data: Iterable[_Number], mu: Optional[_Number] = ...) -> _Number: ...
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def stdev(data: Iterable[_Number], xbar: Optional[_Number] = ...) -> _Number: ...
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def variance(data: Iterable[_Number], xbar: Optional[_Number] = ...) -> _Number: ...
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