Unverified50% confidenceFactExact time
The Z-score is calculated as (observed value − mean) / standard deviation, and an absolute value exceeding 2 or 3 is typically regarded as anomalous.
1
Sources
50%
Confidence
Long-term
Relevance
9/27/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedStandardScaler 实现 Z-score 标准化(零均值、单位方差),公式为 (x - μ) / σ,μ 和 σ 在 fit 阶段从训练集计算得出62% similarUnverifiedThe interquartile range (IQR)-based outlier detection method flags points below Q1-1.5×IQR or above Q3+1.5×IQR as outliers.62% similarVerifiedNumerical gradient checking approximates gradients using the central difference formula (f(θ+ε) - f(θ-ε)) / (2ε) and compares them with analytical gradients; a relative error below 1e-5 is considered correct, while an error above 1e-3 almost certainly indicates a bug.59% similarUnverified主流单目深度估计模型的误差通常在厘米量级,与Pheno4D的0.012mm精度相差三个数量级以上57% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/953520API
curl https://kongchang.com/api/v1/knowledge/claims/953520MCP
get_claim(id=953520)