Auxiliary Variables
The use of auxiliary variables in capture-recapture and removal experiments.
... is used to relate the probability of capture to continuous auxiliary variables.. The auxiliary variables could be environmental quantities such as air or water.[r] ...
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Mixture Regression Estimators Using Multi-Auxiliary Variables and Attributes in Two-Phase Sampling
... multi-auxiliary variables and attributes in two-phase sampling and investigated its finite sample properties in full, partial and no information ...either auxiliary variables or attributes or ...
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Mixture Ratio Estimators Using Multi Auxiliary Variables and Attributes for Two Phase Sampling
... multiple auxiliary attribute in sin- gle- and double-phase ...multiple auxiliary attributes in single- and two-phase ...on auxiliary variables and attributes ...
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General Class of Ratio-Cum-Product Estimators in Two-Phase Sampling using Multi-Auxiliary Variables
... multi- auxiliary variables in two phase ...𝑘 auxiliary variables all in full information ...ℎ auxiliary variables in full information case but (ℎ + 1), (ℎ + 2), … , 𝑝 ...
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Mixture Regression Estimators Using Multi Auxiliary Variables and Attributes in Two Phase Sampling
... multi-auxiliary variables and attributes in two-phase sampling and investigated its finite sample properties in full, partial and no information ...either auxiliary variables or attributes or ...
13
Robust Estimation of Finite Population Totals Using a Model Based Approach in the Presence of Two Auxiliary Variables
... of auxiliary information during surveys increases the accuracy of estimators, thereby giving more reliable estimates of the population parameters of ...one auxiliary variables, some more robust ...
5
Modified Factor-Type Estimators with Two Auxiliary Variables under Two-Phase Sampling
... y y and other related ratio estimators under two-phase simple random sampling scheme when the study and auxiliary variables are negatively correlated using Data 4, 5 and 6 respectively. These properties ...
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Improved Estimators of Population Mean Using Two Auxiliary Variables in Stratified random Sampling
... approximation. Kadilar and Cingi (2003), Singh, H.P. et. al. (2008), Singh and Vishwakarma (2008), Singh, R.et al. (2008), Koyuncu and Kadilar (2009) proposed estimators in stratified random sampling. Singh (1967) and ...
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Ready Queue Mean Time Estimation in Lottery Scheduling using Auxiliary Variables in Multiprocessor Environment
... that auxiliary variables play important role in the prediction of remaining processing time of ready ...the auxiliary variables are selected and used in proper ...selected auxiliary ...
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An Ecient Class of Estimators of Population Mean in Two-Phase Sampling Using Two Auxiliary Variables
... Following Vishwakarma and Kumar (2014), we suggest a class of estimators for the population mean in two-phase sampling using two auxiliary variables. It is shown that the proposed class of estimators ...
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A System of Estimators of the Population Mean under Two-Phase Sampling in Presence of Two Auxiliary Variables
... Kiregyera (1980, 1984), Srivenkataramana and Tracy (1989), Srivastava et al. (1990), Sahoo and Sahoo (1993) and Mishra and Rout (1997), Singh (2008), Hanif (2009), Dash and Mishra (2011), Vishvakarma and Kumar (2014), ...
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Generalized Ratio Cum Product Estimators for Two Phase Sampling Using Multi Auxiliary Variables
... these auxiliary is available from population or available for some auxiliary variables or not available for all auxiliary variables also incorporate Arora and Bansi [15] approach in ...
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Auxiliary variables in multiple imputation in regression with missing X: a warning against including too many in small sample research
... many variables are utilized in an ana- lysis with a limited sample size? Or if a statistician wants to impute the missing data in a set to make it freely us- able for public – in this case, he cannot know which ...
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A Class of Exponential Ratio Estimators of Finite Population Mean Using Two Auxiliary Variables
... the auxiliary information at the estimation stage in order to improve the precision of an estimator of unknown population parameter of ...when auxiliary variables are made ...one auxiliary ...
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Auxiliary variables for Bayesian inference in multi class queueing networks
... Along with observations and naturally restrictive con- straints on state transitions within QNs, auxiliary variables in u allow us to limit the space a sampler is allowed to ex- plore within each iteration. ...
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Improved Ratio-Cum-Product Estimators of Population Mean Using Known Population Parameters of Auxiliary Variables
... Let the finite population U = ( U U 1 , 2 ,..., U N ) consists of N units. Suppose two auxiliary variables x 1 and x 2 are observed on U i ( i = 1, 2,..., N ) , where x 1 is positively and x 2 is negatively ...
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Efficiency Of Audu & Adewara (2017) Two-Phase Factor-Type Estimators With Two Auxiliary Variables In Sample Survey
... two auxiliary variables for estimating finite population mean were examined using ...of auxiliary variables X and Z in some existing factor-type ...
5
Class of Difference Cum Ratio–Type Estimator in Double Sampling Using Two Auxiliary Variables with Some Known Population Parameters
... population. Let ( , , ̅ ) be the population means of (y, x, z), respectively. Suppose the population means of the auxiliary variables are unknown. In such a situation we use a two phase sampling. A ...
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Generalized P-phased Regression Estimators with Single and Two Auxiliary Variables
... Sampling survey is perhaps the oldest statistical procedure to determine the accurate and useful estimates under prevailing constraints of time and money. The regression and ratio methods of estimation are two strongest ...
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Mixture Regression Cum Ratio Estimator Using Multi Auxiliary Variables and Attributes in Single Phase Sampling
... some auxiliary variable is available for all population ...multiple auxiliary variables in full, partial and no information ...multiple auxiliary attributes in single phase sampling and ...
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