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Original · left

Bias (prejudice)

Personal prejudice, unfair leaning, or partiality toward a specific perspective.

First in use: ancient / pre-modern
Duplicate · right

Bias (machine learning)

A fixed mathematical constant added to node inputs to shift activation thresholds, or systematic skewed error present in training datasets.

First in use: the 1950s

Bias / Bias (prejudice) / Bias (machine learning)

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Duplicate share · 12 mo—
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Colour keyGrey · original meaningGreen · duplicate meaningAmber · contested (40–60%)How colours work

Human prejudice vs. the bias term and skewed datasets.

Which meaning of Bias is the original, and which one is the duplicate riding on its name? Bias (prejudice) came first (ancient / pre-modern). Bias (machine learning) arrived in the 1950s. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Bias (prejudice)Bias (machine learning)
English Wikipedia pageviews since July 2015 load here.

Duplicate's share of attention

Green line = duplicate's % · above 60 it owns the word · below 40 the original does

Share-of-attention line loads here.

The case for each meaning

Sourced definitions, usage stats and quotes

Original · ancient / pre-modern

Bias (prejudice)

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Duplicate · the 1950s

Bias (machine learning)

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More duplicated terms

AI & machine learning