Search Results - "Christofides, Tasos C"

Conditional acceptability of random variables by Christofides, Tasos C, Fazekas, István, Hadjikyriakou, Milto

“…Acceptable random variables introduced by Giuliano Antonini et al. (J. Math. Anal. Appl. 338:1188-1203, 2008 ) form a class of dependent random variables that…”
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Asymptotic normality of U-statistics based on i.i.d. or negatively associated observations by utilizing Zolotarev's ideal metric by Christofides, Tasos C., Charalambous, Charalambos

“…In this paper we obtain the distance between U-statistics and a normal random variable by utilizing Zolotarev's ideal metric. The results are for U-statistics…”
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Item count technique with no floor and ceiling effects by Christofides, Tasos C., Manoli, Eleni

“…Conclusions of sample surveys dealing with matters of privacy are often disputed. Many people either refuse to participate or provide false answers. Indirect…”
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Assessing the effectiveness of indirect questioning techniques by detecting liars by Perri, Pier Francesco, Manoli, Eleni, Christofides, Tasos C.

“…In many fields of applied research, mostly in sociological, economic, demographic and medical studies, misreporting due to untruthful responding represents a…”
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Mixture of Truthful–Untruthful Responses in Public Surveys by Christofides, Tasos C., Francesco Perri, Pier

“…Summary When sensitive issues are surveyed, collecting truthful data and obtaining reliable estimates of population parameters is a persistent problem in many…”
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The Conditional Convex Order and a Comparison Inequality by Christofides, Tasos C., Hadjikyriakou, Milto

“…In this article, we define the conditional convex order, that is, a stochastic ordering between random variables given a sub-σ-algebra F. For the conditional…”
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Comments on a method of comparison of randomized response techniques by Christofides, Tasos C.

“…In a forthcoming paper (A unified framework for analysis and comparison of randomized response surveys of binary characteristics, J. Stat. Plan. Infer., doi:…”
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Exponential inequalities for N-demimartingales and negatively associated random variables by Christofides, Tasos C., Hadjikyriakou, Milto

“…The class of N-demimartingales generalizes in a natural way the concept of negative association and includes as special cases martingales with respect to the…”
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A connection between supermodular ordering and positive/negative association by Christofides, Tasos C., Vaggelatou, Eutichia

“…In this paper, we show that a vector of positively/negatively associated random variables is larger/smaller than the vector of their independent duplicates…”
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A generalized randomized response technique by CHRISTOFIDES, Tasos C

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Item Count Technique in estimating the proportion of people with a sensitive feature by Chaudhuri, Arijit, Christofides, Tasos C.

“…In assessing the prevalence of a sensitive attribute like habitual heroin consumption in a community of people, indirect questioning is a necessity to extract…”
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Bounds for the Distance Between the Distributions of Sums of Absolutely Continuous i.i.d. Convex-Ordered Random Variables with Applications by Christofides, Tasos C., Vaggelatou, Eutichia

“…Let X 1, X 2,… and Y 1, Y 2,… be two sequences of absolutely continuous, independent and identically distributed (i.i.d.) random variables with equal means E(X…”
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Protection of privacy in efficient application of randomized response techniques by Chaudhuri, Arijit, Christofides, Tasos C., Saha, Amitava

“…In estimating the proportion of people bearing a sensitive attribute A , say, in a given community, following Warner’s (J Am Stat Assoc 60:63–69, 1965)…”
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Randomized response in stratified sampling by Christofides, Tasos C.

“…This paper extends the randomized response model presented in Christofides (Metrika 57 (2003)195) to the case of stratified sampling. A comparison between the…”
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Randomized response technique for two sensitive characteristics at the same time by Christofides, Tasos C.

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U-statistics on associated random variables by Christofides, Tasos C.

“…We consider the class of U-statistics which are based on a collection of associated random variables. Since independent random variables are associated, the…”
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Maximal inequalities for demimartingales and a strong law of large numbers by Christofides, Tasos C.

“…Chow's maximal inequality for (sub)martingales is extended to the case of demi(sub)martingales introduced by Newman and Wright (Z. Wahrsch. Verw. Geb. 59…”
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New Maximal Inequalities for Reverse Demimartingales and Reverse Demisubmartingales by Christofides, Tasos C., Charalambous, Charalambos

“…In this paper, we introduce the concept of a reverse demimartingale and a reverse demisubmartingale as a generalization of the notion of reverse (backward)…”
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Conditional demimartingales and related results by Christofides, Tasos C., Hadjikyriakou, Milto

“…In this paper we deal with the classes of F-demimartingales and conditional N-demimartingales and for these new classes of random objects we provide a number…”
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Central limit theorem for dependent multidimensionally indexed random variables by Christofides, Tasos C, Mavrikiou, Petroula M

“…We consider dependent multidimensionally indexed random variables whose dependence is determined by the distance of their indices. This provides a…”
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