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14,399 Backtest Events Gave Me t = 8.20. Equal-Weighting Days Gave 1.66

14,399 Backtest Events Gave Me t = 8.20. Equal-Weighting Days Gave 1.66

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4 min read
1,285 strategy sleeves, frozen before the test: the year-by-year table is the warning

1,285 strategy sleeves, frozen before the test: the year-by-year table is the warning

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3 min read
Giving an Open-Weight Language Model the Vote in Among Us Meetings

Giving an Open-Weight Language Model the Vote in Among Us Meetings

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5 min read
Backtest a betting idea before you trust it

Backtest a betting idea before you trust it

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7 min read
The Shape of a Review History: Trajectory Analysis for Trust Scoring

The Shape of a Review History: Trajectory Analysis for Trust Scoring

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5 min read
Multiple funded accounts are one position, not several

Multiple funded accounts are one position, not several

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4 min read
Weekend holding: what an overnight gap does to a funded account

Weekend holding: what an overnight gap does to a funded account

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4 min read
The consistency rule is a constraint, not a number

The consistency rule is a constraint, not a number

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6 min read
A challenge fee is a geometric series, not a price

A challenge fee is a geometric series, not a price

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5 min read
Look-ahead bias hides in the bars you did not load

Look-ahead bias hides in the bars you did not load

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5 min read
Why an i.i.d. bootstrap lies about drawdown

Why an i.i.d. bootstrap lies about drawdown

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5 min read
partworth: hierarchical Bayes for choice-based conjoint in Python

partworth: hierarchical Bayes for choice-based conjoint in Python

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6 min read
A 48-Hour Burst of 5-Star Reviews Is Never Organic: How We Detect Review Inflation

A 48-Hour Burst of 5-Star Reviews Is Never Organic: How We Detect Review Inflation

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5 min read
The Bad Month Was Always Going to Be Followed by a Better One

The Bad Month Was Always Going to Be Followed by a Better One

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2 min read
What a random scratch ticket should look like (and why the 2003 one didn't)

What a random scratch ticket should look like (and why the 2003 one didn't)

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2 min read
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