For Two Sigma / G-Research / XTX-style seats · ~3 weeks

Quant Researcher (Stats + ML)

Statistics that survive contact with markets, and the machine-learning round: bias-variance, leakage-proof validation, regularization, and the finance-specific traps.

13 steps

1
Variance of a Die
Medium · Private
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2
Sixty Heads
Medium · Private
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3
Carrying the Normal Table
Easy
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4
Halving the Error
Easy
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5
What the Slope Really Is
Medium · Private
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6
Diversification Arithmetic
Medium · Private
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7
π from Darts
Easy
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8
Eigenvectors as Risk Axes
Medium · Private
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9
Bias, Variance, and the Noise Floor
Medium · Private
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10
Why Your Backtest Lies
Medium · Private
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11
Ridge vs Lasso, and Why Quants Love Ridge
Medium · Private
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12
Solve 20 statistics questions total
0/20
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13
Solve 20 machine-learning questions total
0/20
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