jackknife method; jackknifing
A resampling technique in statistics and machine learning used to estimate bias and variance by systematically leaving out one observation at a time.
The jackknife method is used to assess bias in data.
In this study, the variance of the estimate was calculated using jackknifing.
From English 'jackknife' + 法 (method). The statistical term is named after the folding jackknife, suggesting a simple, versatile tool.