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hampel proposal 4

Review this independently proposed patch against the supplied starter. Treat values at the Hampel threshold as inliers, including zero deviation with zero MAD, and classify the anchor by its absolute deviation. Trace the native model, algorithm services, repository snapshot and HTTP preview. Repair the incident while preserving the other contracts. All explicit fixtures and mandatory regression groups are available with bash test/run.sh.

Review focus: robust-statistics

src/services/thresholds.py

BeforeProposed

+1−1

11from pyspark.sql import functions as F

33def within(deviation,mad,factor):

4 return deviation*10000<mad*factor*14826

4 return deviation*10000<=mad*factor*14826

66def limit(mad,factor):

77 return mad*factor*14826/10000

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