Bias
From HandWiki - Reading time: 1 min
A physical quantity 
is measured using the estimator S, which is a function of the elements 
of a sample, 
. The difference between the expectation value of the estimator, E(S), and the true value of the physical quantity is the bias of the estimator: 
. The estimator is unbiased if 
. For the relation between bias and variance of an estimator, see Bishop95.
 |
Licensed under CC BY-SA 3.0 | Source: https://handwiki.org/wiki/Bias14 views | Status: cached on March 09 2024 17:17:46↧ Download this article as ZWI file
EncycloReader
is supported by the 
KSF