…Majestic**** Corso Vittorio Emanuele 54 http://www.starhotels.com/hotels/majestic/en/home.aspx Gran Sitea**** Via Carlo Alberto 35 http://www.grandhotelsitea.it/ Hotel Victoria**** Via Nino Costa 4 http://www.hotelvictoria-torino.com/ Hotel Concord**** Via Lagrange 47 http://www.hotelconcordtorino.com/ Hotel Genio Best Western…
…our test is the supremum of the standard Brownian motion, and thus our test is asymptotically distribution free. We also show that our test is consistent under any fixed alternatives….
A goodness of fit test for the drift coefficient of an ergodic diffusion process is presented. The test is based on the score marked empirical process. The weak convergence of…
…the test is assessed by a simulation study, comparing its behavior with other classical tests for the circular-linear case. Finally, the test is applied to analyze wildfire data from Portugal….
…the website with a list of working papers published by members on the digital repository “arXiv”, available atwww.arxiv.org. Such a repository is managed by Cornell University Library and used by…
…squared loss: a nonparametric independence test for directional and linear random variables and a goodness-of-fit test for parametric families of directional-linear densities. Limit distributions for both test statistics, and a…
…environmental problems and interesting statistical issues. See http://link.springer.com/journal/10260/25/1?wt_mc=alerts.TOCjournals for the complete list of papers. – There will be a GRASPA-SIS session at the 48th Days of Statistics (JDS2016, Société Française…
Meeting Venue – How to Arrive – Accommodation – Social Program How to Arrive Torino’s international airport (www.aeroportoditorino.it) has regular flights to Spain (Madrid and Barcelona), UK (London Gatwick,…
…of Environmental and Ecological Statistics GRASPA-SIS MEMBERS ARE ALL WELCOME! 3) Journal of Statistical Computation and Simulation, Volume 86, Issue 13 is now available online: http://www.tandfonline.com/toc/gscs20/86/13 Includes the Special Issue:…
…to 23 June 2017. The lecturer is Prof. Bruno Sansó from University of California at Santa Cruz, USA. For more information visit http://www.mi.imati.cnr.it/conferences/abs17/home.htm With our best regard, the GRASPA-SIS board…
…on the unknown parameter, so the distributions of the tests are asymptotically parameter free. Some considerations on the consistency of the proposed tests and some simulation studies are also given….
…is required to obtain calibrated count predictions. This suggests that the sampling density of the survey design may not be sufficient to obtain reliable estimates of the seal pup production….
…University of Turin, located in Lungo Dora Siena 100 (roads map). The Campus can be reached by car (roads map) and by city buses: from the railway station “Porta Nuova”:…
…approximately 2 hours and there will be two groups: Italian and English speakers. You need to register (free of charge) for the tour at the reception desk during the first…
This paper presents a goodness-of-fit test for parametric regression models with scalar response and directional predictor, that is, vectors in a sphere of arbitrary dimension. The testing procedure is based…
Future events 6 February 2024 – MOX seminar “On modelling space-time threshold exceedances“. Speaker: Carlo Gaetan. Past events 18-21 July 2022 – Spatial Statistics 2023: Climate and the Environment (CANCELLED…
…process is said to be long-range dependent, if the spectral density $f(lambda)$ can be written as the product of a slowly varying function $ ilde{f}(lambda)$ and the quantity $lambda ^{-2d}$….
…will be in Guanajuato (MX), 16-21 July 2018. GRASPA-SIS founding members Daniela Cocchi and Alessandro Fassò have joined the Scientific Committee and warmly encourage to submit abstracts at the conference…
…Italy). For more information visit the conference website and the Facebook event page. – Two PRIN research projects involving GRASPA members were successfully funded by the Italian Ministry of Education,…
COGARCH models are continuous time version of the well known GARCH models of financial returns. They are solution of a stochastic differential equation driven by a L’evy process. The first…
Using concave rectangular patches, a new solution to reduce mutual coupling and return loss in two-dimensional array of microstrip antennas is proposed. The effect of width and length concavity on…
…awards were given to the three best posters according to the votes of members of the jury appointed by the scientific committee. The detailed GRASPA 2019 conference programme and the…
…tests under Gaussian assumptions, and propose bootstrap methods for approximating the distribution of the test statistics. We probe the finite sample performance through simulations studies, and present an application to…
…Deadlines: September 30, 2014 – Fees details December 31, 2014 – Abstract and poster details (template from website) March 15, 2015 – Abstracts deadline (invited/contributed talks and posters) April 15,…
…covariates and the observed responses, still depends on unobserved outcomes, the dropout mechanism is said to be non ignorable. A common objective is to build a reliable association structure to…
In this work, we deal with a bivariate time series of wind speed and direction. Our observed data have peculiar features, such as informative missing values, non-reliable measures under a…
…population according to different levels of a latent variable connected with disability. The survey, however, is designed to provide reliable estimates at the level of Administrative Regions (NUTS2 level), while…
The last decade has seen max-stable processes emerge as a common tool for the statistical modeling of spatial extremes. However, their application is complicated due to the unavailability of the…
Linearization methods are customarily adopted in sampling surveys to obtain approximated variance formulae for estimators of nonlinear functions of finite population totals – such as ratios, correlation coefficients or measures…
The article studies non-Gaussian extensions of a recently discovered link between certain Gaussian random fields, expressed as solutions to stochastic partial differential equations (SPDEs), and Gaussian Markov random fields. The…
…critical points of the experiments and equipment in order to design future experiments that may obtain positive evidences or that can be as more comparable to previous ones as possible….
…into a collection of approximately independent complex-valued Gaussian random functions. Our results are then employed in order to construct estimators of the spectral density operator based on smoothed versions of…
We present a new, elementary way to obtain axially symmetric Gaussian processes on the sphere, in order to accommodate for the directional anisotropy of global climate data in geostatistical analysis….
…Italy were obtained using sensors with very refined spatial resolution. Estimating a functional relation between ground-cover and soil with these data involves addressing issues linked to the spatial and temporal…
…$m$-fold integrated $eta$-fractional Brownian motion for all non-singular points. We consider approximation of $X$ by piecewise Hermite interpolation splines with $n$ free knots (i.e., a sampling design, a mesh). The…
…model is applied to a dataset of six free-ranging Maremma Sheepdogs. Its predictive performance, as well as the interpretability of the results, are compared to those given by hidden Markov…
In this project, we designed a modularity-based dynamic community detection method, which keeps tracking the community structure of a dynamic network with very low computing complexity in updating the community…
Verification bias is a well known problem when the predictive ability of a diagnostic test has to be evaluated. In this paper, we discuss how to assess the accuracy of…
During the last decades there has been increasing interest in modeling the volatility of financial data. Several parametric models have been proposed to this aim, starting from ARCH, GARCH and…
…mitigate such problems. In this paper we focus on two approaches for composing likelihoods based on pairs of exceedances. The first one comes from the tail approximation for bivariate distribution…
…work different post-processing techniques are tested for calibrating 9 member ensemble forecast of temperature for Santiago de Chile, obtained by the Weather Research and Forecasting (WRF) model using different planetary…
A certain amount of category theory is developed in an arbitrary finitely complete category with a factorization system on it, playing the role of the comprehensive factorization system on Cat….
The availability of intensive care beds during the Covid-19 epidemic is crucial to guarantee the best possible treatment to severely affected patients. In this work we show a simple strategy…
