# Dipartimento di Statistica, Probabilità e Statistiche Applicate - University of Rome

# Metron - International Journal of Statistics

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### 2002, Volume LX, Issue 3-4

**125-138 Permutation-based pairwise comparisons for assessing the homogeneity of probability distributions and missing data rates***by*Stefania Naddeo**139-151 Some notes on nonparametric inferences and permutation tests***by*Marco Marozzi**154-162 On optimality of change-over designs balanced for first and second order residual effects***by*V.K. Sharma & Cini Varghese & Seema Jaggi**163-179 Parameter estimation of Gaussian hidden Markov models when missing observations occur***by*Roberta Paroli & Luigi Spezia**180-198 Importance resampling using Chi-Square Tilting***by*Hani M. Samawi & Ahmad S. Bany Mustafa & Mohammad S. Ahmed**199-213 Optimum stratification based on auxiliary variable for compromise allocation***by*S.E.H. Rizvi & J. P. Gupta & M. Bhargava

### 2002, Volume LX, Issue 1-2

**3-19 On unbiasedness and power of permutation tests***by*Fortunato Pesarin & Daniele De Martini**20-32 Scale-invariant test of normality based on Polya's characterization***by*Pietro Muliere & Yakov Nikitin**33-49 A nonparametric estimate of performance in queueing models with long-range correlation, with applications to telecommunications***by*Livia De Giovanni & PIer Luigi Conti**50-63 On double extreme rank set sample with application to regression estimator***by*Hani M. Samawi**67-82 Estimation in restricted regression model with multivariate t distributed error***by*Sanjay Verma & R. Karan Singh**83-96 A simulated band to check binary regression models***by*Giovanni C. Porzio**97-106 F-T estimator under two-phase sampling***by*Diwakar Shukla**107-114 Uniformly most powerful tests for two-sided hypotheses***by*Sonia Migliorati**115-124 Interval estimation of the quantiles of finite population using multivariate auxiliary information***by*M.S. Ahmed & Walid Abu-Dayyeh & Hani M. Samawi**125-141 Probability inequalities of stochastic processes and corresponding hitting times***by*J.I. Baek & D.M. Lee & Y.K. Choi**142-156 Selection procedures in multi-treatment clinical trials***by*Uttam Bandyopadhayay & Atanu Biswas**157-174 Measuring Value at Risk with an extremal process***by*Stefano Cabras & Walter Racugno**175-189 Testing unit roots by bootstrap***by*I. Procidano & S. Rigatti Luchini**190-209 Radial basis function neural networks for the analysis of survival data***by*Patrizia Boracchi & Elia Biganzoli**211-223 Iterative estimation procedure for option pricing with stochastic volatility models***by*F. Parpinel & C. Pizzi**224-237 Unbalanced split-plot designs: analysis for a non uniform dependence pattern***by*Cinzia Mortarino

### 2001, Volume LIX, Issue 3-4

**3-16 A proposal of poverty measures based on the Bonferroni inequality index***by*Giovanni Maria Giorgi & Michele Crescenzi**17-25 A modification of the right tail for heavy-tailed income distributions***by*Michele Zenga & Alessandro Zini**26-34 A note on regions of given probability of the skew-normal distribution***by*Adelchi Azzalini**35-54 Hybrid parametrizations for multinomial random variables***by*Roberto Colombi**55-65 Some majorization properties of order statistics from heterogeneous populations***by*Sayaji Hande & P. Vellaisamy**66-85 Sample Space, sampling, and statistical model***by*D. Costantini & U. Garibaldi & M. A. Penco**86-100 On the impartiality of design in statistical inference***by*Rodolfo De Cristofaro**101-116 Parametric bootstrap inference in bilinear models***by*Michele La Rocca & Cosimo Vitale**117-140 Interval prediction for chaotic time series***by*Silvano Bordignon & Francesco Lisi**141-156 Performance evaluation of Bagging and Boosting in nonparametric regression***by*Simone Borra & Agostino Di Ciaccio**157-178 Exact conditional tests for a reciprocal interpretation of hierarchical classifications built on a two-way contingency table***by*Jean-Jacques Denimal & Sergio Camiz**179-186 Multi-stage estimation procedures for the "range" of two-parameter uniform distribution***by*Ajit Chaturvedi & Surinder K. & Sanjeev K.**187-198 Estimation of parameters of the exponential distribution in the presence of outliers generated from uniform distribution***by*Ulhas J. Dixit & Parviz F. Nasiri**199-216 Duration models and neural networks to analyse unemployment spells***by*Michele Lalla & Tommaso Minerva**217-230 Bayesian prediction for the Burr model with outliers and Random sample size***by*Zeinhum F. Jaheen**231-241 On Metropolis-Hastings algorithms with delayed rejection***by*Antonietta Mira**242-254 Existence of a discrete probability distribution with assigned moments***by*Aldo Tagliani**255-274 On probability distributions of one-dimensional real random variables having the same expected value and the same variance***by*Augusto Freddi

### 2001, Volume LIX, Issue 1-2

**3-10 A multiplicative decomposition of Herfindahl concentration measure***by*Michele Zenga**11-21 The use of chi-square and Kolmogorov-Smirnov statistics in permutation-based pairwise comparisons***by*L. Fattorini & L. Greco & S. Naddeo**22-38 Local parametric density estimation methods in line transect sampling***by*Lucio Barabesi**39-53 Indirect inference and variance reduction using control variates***by*Giorgio Calzolari & Francesca Di Iorio & Gabriele Fiorentini**54-71 Asymptotic properties of LSE in multivariate continuous regression with long memory stationary errors***by*N. N. Leonenko & Emanuele Taufer**72-96 Parametric restrictions in random fields for binary space-time data series***by*Francesco Lagona**97-110 An improvement in the Welch approximate t test***by*Eugenio Brentari & Maurizio Carpita & Livia Dancelli**111-128 Clustering of time series with genetic algorithms***by*Roberto Baragona & Francesco Battaglia & Claudio Calzini**129-154 Genetic alghorithms, pseudo-random number generators, and Markov chain Monte Carlo methods***by*Francesco Battaglia**157-169 On-line spatio-temporal prediction by a state space representation of the generalized space time autoregressive model***by*Luigi Ippoliti**170-190 Multivariate analysis of radar images for environmental monitoring***by*Isabella Morlini & Stefano Orlandini**191-204 Factorial experiments for sequential process***by*Grazia Vicario & Daniele Romano**205-216 Prior distributions for Gaussian graphical models: a comparison between the directed and undirected case***by*Alberto Roverato**217-227 The hidden layer size in feed-forward neural networks: a statistical point of view***by*Cira Perna & Francesco Giordano

### 2000, Volume LVIII, Issue 3-4

**5-12 Prediction sufficiency and sequential experimentation***by*Masafumi Akahira & Yuji Nishihira**13-30 Neutral to the right processes from a predictive perspective: a review and new developments***by*Pietro Muliere & Stephen Walker**32-52 A priori infirmation and Bayesian forecasting in transfer function models***by*Francesco Carlucci & Gino Zornitta**53-80 Population total prediction under a lognormal superpopulation model***by*Forough Karlberg**81-108 P-credence and outliersl***by*Jean-Francois Angers**109-131 A hierarchical finite mixture model for Bayesian classification in the presence of auxiliary information***by*A. Pollice & M. Bilancia**133-145 Periodic logistic regression: an extension to the case of unknown period***by*Pier Luigi Novi Inverardi**147-161 A comparative study on permutation tests for effects in two-level factorial designs***by*Francesco Dalla Valle & Fortunato Pesarin & Luigi Salmaso**163-170 On the estimation of a ratio of two unknown population means in two-stage sampling***by*L-N- Sahoo & Pournamasi Panda**171-184 Estimation from intervened power series distribution***by*M.N. Patel & A.V. Gajjar**185-211 The birth of statistics and the origins of the new natural science***by*Giuseppe Leti

### 2000, Volume LVIII, Issue 1-2

**3-22 Simulated inference, with applications to wildlife population assessment***by*Stephen T. Buckland & Nicole H. Augustin & Verena A. Trenkel & David A. Elston & David L. Borchers**23-38 Assessing multivariate normality on the "worst" sample configuration***by*L. Fattorini & C. Pisani**39-52 Nonparametric combiantion of dependent rankings with application to the quality assessment of industrial products***by*Alessandro Lago & Fortunato Pesarin**53-63 On the exact bootstrap distribution of linear statistics***by*L. Barabesi**65-79 Some comparisons between a parametric and a nonparametric solution for tests with repeated measures***by*Giorgio Celant & Fortunato Pesarin & Luigi Salmaso**81-95 Efficient bootstrap estimation of distribution functions***by*Andrea Pallini**97-110 Estimating distribution functions in Johnson translation system by the starship procedure with simulated annealing***by*Paolo Palmitesta & Corrado Provasi**111-120 Variance estimation for orthogonal series estimatorsof probability densities***by*Nicoletta Simonetti**121-129 Singularity and outliers in linear regression with application to least squares, least squares linear regression***by*Steven P. Ellis**131-138 An autoregressive process and its application to queueing model***by*Sudha Jain**139-151 A method of constructing test based on the quadratic form***by*P.N. Jani & Ashok Shanubhogue & K. Muralidharan**153-165 Generalised bivariate Polya distributions applicable in four-fold sampling***by*Amarendra Mishra**167-185 Exact minimum disparity inference in complex multinomial models***by*Sinjini Mitra & Srabashi Basu & Ayanendranath Basu**187-200 Some sequential-type conditional tests in clinical trials based on generalized randomized play-the-winner rule***by*Uttam Bandyopadhyay & Atanu Biswas

### 1999, Volume LVII, Issue 3-4

**5-23 Linear calibration in multiplicative measurement error models***by*Heleno Bolfarine & Claudia R.O.P. Lima & Monica c. Sandoval**26-34 On the normalized deficiency of estimators***by*Masafumi Akahira**35-45 The replicated common factor-analysis model***by*K. Haagen & W. Oberhofer**47-68 Calibration estimators in randomized response surveys***by*Derrick Shannon Tracy & Sarjinder Singh**69-81 Some remarks on statistical indices***by*Mario di Bacco & Gianluca Poggi**83-95 An M/G/1 queue with optional deterministic server vacations***by*Kailash C. Madan**97-110 Characterizations of finite mixture distributions by regressions of nonadjacent order statistics***by*Abd El-Baset A. Ahmad**111-116 Uniformly most powerful test for a binomial model***by*Arjun K. Gupta & Yue Liu & Yining Wang**118-126 Bivariate distributions with weighted marginals and reliablity modelling***by*S.M. Sunoj & N. Unnikrishnan Nair**128-139 Some singularities in jackknifing non-smooth functions of the sample mean vector***by*Marzia Marcheselli**141-145 A note on a modified randomization device using unrelated questions***by*Manoj Bhargava & Ravindra Singh**147-167 Improved confidence bounds for the probability of correct selection: the scale parameter case***by*Hossein Jabbari Khamnei & Narinder Kumar**169-178 Efficient estimators of population variance with regression-type and ratio-type predictor-inputs***by*Mool Chandra Agrawal & Dulal Chandra Roy**179-201 A practical use of the chi-square goodness-of-fit criterion for better interpreting control charts***by*Alberto Iacobini**203-209 a note on two preservation properties of homogeneous Poisson shock models***by*S.V. Sabnis & Mini N. Balu

### 1999, Volume LVII, Issue 1-2

**5-21 The conjoint use of probability and likelihood for descriptive inference***by*Benito V. Frosini**23-37 A study on the conditional properties of finite population mean estimators***by*Giorgio E. Montanari**39-52 Confidence intervals for population variance with known mean***by*Giancarlo Diana & Chiara Tommasi**53-68 Contribution to optimum points of stratification for multi stages designs***by*V.L. Mandowara & P.C. Gupta**69-84 Nonparametric inference for Zenga's measure of income inequality***by*Emad A. A. Aly & Marilou O. Hervas**85-105 Fuzzy analysis of poverty dynamics on an italian pseudo panel 1985-1994***by*Bruno Cheli & Gianni Betti**105-115 An identity for the expectations of joint functions of nonadjacent order statistics***by*J.W. Wu & L.Y. Ouyang**117-130 A note on approximate moments of progressively censored order statistics***by*Uditha Balasooriya & Sutaip. L. C. Saw**131-146 Analysis of the kurtosis in a skew distribution***by*Angiola Pollastri**147-157 Ridge regression using scrambled responses***by*Sarjinder Singh & Derrick Shannon Tracy**159-171 Accelerated sequential shrinkage estimation***by*N. Mukhopadhyay & A.D. Abid**173-179 On multivariate Liouville distribution***by*A.K. Gupta & D.G. Kabe**181-208 Bayesian estimation of finite mixtures of gaussian mixtures***by*M. Bilancia & A. pollice