Non-random sample selection
Copula based generalized additive models for location, scale and shape with non-random sample selection
... Non-random sample selection arises when an output variable of interest is available only for a restricted non-random sub-sample of the ...ple selection models allow ...
31
Copula based generalized additive models for location, scale and shape with non random sample selection
... Non-random sample selection is a commonplace amongst many empirical studies and it appears when an output variable of interest is available only for a restricted non-random ...
31
Aiming for a representative sample: Simulating random versus purposive strategies for hospital selection
... The target population consists of all non-specialized Dutch hospitals (n = 89), comprising 8 academic centres, 28 teaching hospitals and 53 remaining general (smaller) hospitals. Specialized centres were excluded ...
9
Sampling theory
... Non-probability sampling: does not involve random selection.. Random/non-random→ issue of bias, sample validity, reliability of results, generalization..[r] ...
32
Panel data sample selection models.
... how non-strict exogeneity and measurement error can be taken into account within the estimation methods ...a selection o f estimators are ...are non-random selection, and unobserved ...
216
Copula selection models for non-Gaussian responses that are missing not at random
... at random (MNAR) data poses key challenges for statistical inference be- cause the model of interest is typically not identifiable without imposing further ...assumptions. Sample selection models ...
31
Sharp bounds on the MTE with sample selection
... NJCS sample: the Non-Hispanics subsample and the Hispanics ...the random treatment ...comparing Non-Hispanics and Hispanics, I find numerically small differences with respect to the variables ...
100
On sample selection models and skew distributions
... at random (MAR), an assumption that cannot be verified using the observed data ...of non-response, imputation, and hence the MAR assumption, is convenient computationally, but it is often implausible ...
186
MSG Package: A Novel Statistical Software for Generating Random Samples of Different Forms
... the selection of samples using any of the existing statistical packages requires that the users possess some basic knowledge of statistics and/or statistical ...majorly non- statistical experts ([YA12]), it ...
9
Testing for the absence of unobserved confounding in Semiparametric Bivariate Probit Models
... Sample selection models address an issue which arises when observations are not from a random sample of the ...the sample based on a combina- tion of observed and unobserved ...the ...
28
Investigating the causal relationship between employment and informal caregiving of the elderly
... instrument construction. While data collection systems and efforts are improving, such data is not always avail- able. This paper investigates Leigh’s [25] proposal that if it were possible to demonstrate if all carers ...
6
Inadequate description of educational interventions in ongoing randomized controlled trials
... Our findings may be explained in part by the lack of consideration of the specifics of non-pharmacologic interventions in guidelines for trial registration. For ex- ample, guidelines for the item dedicated to the ...
8
A Bayesian Justification for Random Sampling in Sample Survey
... simple random sampling has been noted; how to formally integrate simple random sampling into the Bayesian paradigm is not ...simple random sample can be given a Bayesian justification in ...
5
EACD: evolutionary adaptation to concept drifts in data streams
... in non-stationary environments, called EACD, that uses random selection of features and two evolutionary algorithms, namely, Replicator Dynamics (RD) and Genetic Algorithm ...
33
Random Dictators with a Random Referee: Constant Sample Complexity Mechanisms for Social Choice
... Strategic Incentives. We do not consider truthfulness in this paper, and we do not use the term mechanism to im- ply any such property. While strategic incentives are not the focus of this work, we note that any truthful ...
8
Sample Selection for Statistical Grammar Induction
... We deem one evaluation function more effective than another if the smallest set of sentences it se- lected can train a grammar that performs at least as well as the grammar trained under[r] ...
8
Hospital readmission rates: signal of failure or success?
... examine sample selection bias in the iden- tification of hospitals’ performance on unplanned readmissions occurring within 28 days of discharge of patients with a primary diagnosis of fractured ...the ...
14
Extending the results of biodiversity: Ecosystem function experiments to regional species collections
... To explore the relationship between θ R and θ P , we have devised the following model. The model is not intended to be an exact portrayal of community function, in the sense that it is not a detailed model of how species ...
18
Cultural identity and academic achievement of Māori undergraduate university students : a thesis presented in partial fulfulment of the requirements for the degree of Master of Science in Psychology, Massey University
... Cultural identity, academic outcome and psychological wellbeing were investigated among a non-random sample of 72 undergraduate Maori university students studying at Massey University...[r] ...
135
Breast feeding : personal and social influences : a thesis submitted in partial fulfilment of the requirement for the degree of Master of Arts in Nursing Studies at Massey University
... Based on a purposive non-random sample of 20 primiparous and 11 multiparous women who had their delivery at a general hospital, a descriptive study was conducted to explore personal and [r] ...
15