Explain how an auxiliary variable can reduce the variance of an estimator.

Nov 18, 2022 ... A simulation study: Improved ratio-in-regression type variance estimator based on dual use of auxiliary variable under simple random sampling. ... auxiliary variable for both voiced and unvoiced phonetic states, and therefore ignore the fact that pitch (frequency) information is meaningful only for ... Feb 20, 2020 ... I am running out of variable names. Most Latin and Greek letters are already in use. In the write-up, we used many auxiliary variables (as calculations ... The new auxiliary datasets contain data derived from the regular FARS/GES variables using NCSA analyti- cal data classifications. These classifications are ... Jan 8, 2025 ... Auxiliary Variable: Additional variables that are added to a linear programming problem that allow the use of logic that otherwise would not be ... ... auxiliary variables. The variational principle contains a trial Hamiltonian H′ in an extended Hilbert space. For H′ equal to its optimal value H, the ... ... auxiliary-variable values will be computed for each steady-state solution. ... data item 7b), and auxiliary variables in data items 6b and 8b. A separate ... Auxiliary variables are used for variables that are not stock or flow variables. · 1: Difference equation of one stock and two flow variables, and. · 2: A ... Jun 9, 2014 ... If an auxiliary variable is specified as (DE3STEP) the three-step method will be used and the variable will be treated as a distal variable with ... The full model outperformed all auxiliary variable selection strategies in the simulation study, with the LASSO strategy the best performing auxiliary variable ...