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单词 Confidence band
释义

Confidence band

英语百科

Confidence and prediction bands

Confidence bands for simulated data depicting the proportion of voters supporting a given candidate in election, as a function of the voters' ages.  Pointwise 95% confidence bands, and simultaneous 95% confidence bands constructed using the Bonferroni method are shown.
Confidence bands for a simple linear regression analysis using simulated data.  Pointwise 95% confidence bands, and simultaneous 95% confidence bands constructed using Scheffé's method are shown.

A confidence band is used in statistical analysis to represent the uncertainty in an estimate of a curve or function based on limited or noisy data. Similarly, a prediction band is used to represent the uncertainty about the value of a new data-point on the curve, but subject to noise. Confidence and prediction bands are often used as part of the graphical presentation of results of a regression analysis.

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