In (13) we take on purpose not the squares of the differences, since epsilon should measure whether x d is systematically over-or underestimated over five days.
If the term is systematically over-represented in the upper part of the partitions (corresponding to the genes more frequently deleted) we will consider that this GO functionality is systematically deleted.
"Migrants are systematically over-represented in the population of recipients of non-contributory transfers," says Tito Boeri of Bocconi University in Milan and the London School of Economics.
Listeners to talk radio have always known that the sorts who are bursting for the chance to vent their views are disproportionately opinionated and extreme, and – indeed – Ukip voters are systematically over-represented in raw internet data.
One might expect that more opinionated people would volunteer to answer questions – including about politics – and indeed there is evidence that parties that speak to people with strong views, such as Ukip, are systematically over-represented in the raw online numbers.
For instance, if teachers were systematically over-estimating non-LEP students' abilities, being forced to re-calibrate to LEP students may in fact increase average achievement.
Thus, the omitted variable bias refers to the included model variables, which are systematically over- or underestimated due to the exclusion of relevant variables.
Several lines of evidence suggest that the velocity amplitude in global simulations of solar convection, U, may be systematically over-estimated.
Communities of color are being systematically over-policed while also being displaced by rising rent and gentrification, according to Coalition to End Broken Windows organizer Josmar Trujillo "We need to fundamentally reinvest in our high-poverty neighborhoods in a way that strengthens community building, not vague notions of 'community policing'.
Eigenvalues of sample covariance matrices are systematically over-dispersed and biased, but the sample covariance matrix is an unbiased estimator e.g. [ 3].
The mean of the difference provides a measure of whether the estimates tend to be systematically over- or underestimated, or biased.
