IRIS Institutional Research Information System - AIR Archivio Istituzionale della Ricerca

FERRARI, PIER ALDA
 Distribuzione geografica
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Continente #
EU - Europa 9.164
NA - Nord America 4.464
AS - Asia 3.745
SA - Sud America 322
AF - Africa 92
OC - Oceania 34
Continente sconosciuto - Info sul continente non disponibili 5
Totale 17.826
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Nazione #
GB - Regno Unito 5.000
US - Stati Uniti d'America 4.313
IT - Italia 1.522
SG - Singapore 1.132
CN - Cina 1.090
DE - Germania 596
SE - Svezia 518
RU - Federazione Russa 429
HK - Hong Kong 303
FR - Francia 301
VN - Vietnam 270
IN - India 209
BR - Brasile 204
TR - Turchia 192
UA - Ucraina 192
KR - Corea 152
IE - Irlanda 138
CA - Canada 106
NL - Olanda 103
BD - Bangladesh 100
FI - Finlandia 94
EU - Europa 77
ID - Indonesia 66
CO - Colombia 51
JP - Giappone 44
ES - Italia 36
DK - Danimarca 35
GR - Grecia 33
PK - Pakistan 30
AU - Australia 28
BE - Belgio 25
TW - Taiwan 23
MY - Malesia 21
AR - Argentina 20
PL - Polonia 19
MA - Marocco 18
IR - Iran 17
MX - Messico 16
RO - Romania 16
ZA - Sudafrica 16
CH - Svizzera 14
EC - Ecuador 14
CL - Cile 13
EG - Egitto 13
IQ - Iraq 13
NO - Norvegia 12
LT - Lituania 11
NP - Nepal 11
BG - Bulgaria 10
SA - Arabia Saudita 10
AT - Austria 9
AL - Albania 8
NG - Nigeria 8
PT - Portogallo 8
KE - Kenya 7
TH - Thailandia 7
VE - Venezuela 7
CZ - Repubblica Ceca 6
JO - Giordania 6
UZ - Uzbekistan 6
BY - Bielorussia 5
JM - Giamaica 5
NI - Nicaragua 5
NZ - Nuova Zelanda 5
PH - Filippine 5
TT - Trinidad e Tobago 5
UY - Uruguay 5
AE - Emirati Arabi Uniti 4
BH - Bahrain 4
CI - Costa d'Avorio 4
ET - Etiopia 4
LK - Sri Lanka 4
MD - Moldavia 4
PE - Perù 4
TN - Tunisia 4
BB - Barbados 3
BJ - Benin 3
DZ - Algeria 3
EE - Estonia 3
HR - Croazia 3
HU - Ungheria 3
IL - Israele 3
RS - Serbia 3
AZ - Azerbaigian 2
BA - Bosnia-Erzegovina 2
BO - Bolivia 2
CR - Costa Rica 2
CY - Cipro 2
GE - Georgia 2
KH - Cambogia 2
KZ - Kazakistan 2
LA - Repubblica Popolare Democratica del Laos 2
LB - Libano 2
MT - Malta 2
PY - Paraguay 2
SI - Slovenia 2
AD - Andorra 1
AF - Afghanistan, Repubblica islamica di 1
AM - Armenia 1
AO - Angola 1
Totale 17.869
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Città #
Southend 4.710
Singapore 649
Milan 467
Ashburn 338
Seattle 272
Hong Kong 266
Chandler 253
Beijing 247
Wilmington 215
San Jose 187
Ann Arbor 186
Princeton 174
Council Bluffs 157
Salerno 156
Frankfurt am Main 149
Jacksonville 148
Santa Clara 141
Dublin 137
Fairfield 136
Mountain View 127
Woodbridge 105
Dearborn 96
Los Angeles 93
Phoenix 93
Ho Chi Minh City 91
Redmond 89
Cambridge 84
Nanjing 81
Bengaluru 76
Houston 72
Lauterbourg 70
Moscow 70
Hanover 69
Hefei 65
Dallas 61
Des Moines 61
Munich 60
Buffalo 58
Hanoi 57
Medford 56
Sakarya 55
Somerville 51
Istanbul 49
Jinan 49
Rome 49
Boardman 48
Serra 47
Bogotá 46
Jakarta 42
Andover 41
New York 39
Ottawa 39
Berlin 37
Guangzhou 34
Seoul 33
Toronto 32
Shenyang 31
Nanchang 30
Tokyo 30
Sunnyvale 28
Shanghai 27
Tianjin 25
Athens 24
Hebei 23
Redwood City 22
Hangzhou 21
Changsha 20
Cangzhou 19
Como 16
Jiaxing 16
London 16
São Paulo 16
Baltimore 15
Bologna 15
Eitensheim 15
Fremont 15
Helsinki 15
Chicago 14
Pisa 14
Zhengzhou 14
Shenzhen 13
Trieste 13
Cairo 12
Florence 12
Naples 12
San Diego 12
Taipei 12
Turin 12
Verona 12
Brussels 11
Haiphong 11
Mumbai 11
Moncalieri 10
The Dalles 10
Casablanca 9
Columbus 9
Falls Church 9
Mannheim 9
Sofia 9
Abbiategrasso 8
Totale 12.010
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Nome #
An imputation method for mixed-type data using nonlinear principal component analysis 624
Consumers’ Attitudes on Services of General Interest in the EU: Accessibility, Price and Quality 2000-2004 498
Enteral versus intravenous approach for the sedation of critically ill patients: a randomized and controlled trial 496
What makes for a good missing value imputation? New algorithmic approaches in PCA and random forests-based techniques 418
Generation of multivariate discrete data 381
A sequential distance-based approach for imputing missing data : the forward imputation 352
Introduzione all'inferenza statistica : 2. edizione 337
Nonlinear Principal Component Analysis as a Tool for the Evaluation of Customer Satisfaction 314
Generating ordinal data 305
Simulating correlated ordinal and discrete variables with assigned marginal distributions 302
A sequential distance-based approach for imputing missing data: Forward Imputation 299
Data mining analysis on Italian family preferences and expenditures 274
Algorithmic-type imputation techniques with different data structures : alternative approaches in comparison 271
Introduzione all'inferenza statistica 269
Simulation of correlated Poisson variables 269
A simulation comparison of imputation methods for quantitative data in the presence of multiple data patterns 268
A comparison between alternative models for environmental ordinal data: Nonlinear PCA vs Rasch Analysis 262
European consumers’ attitudes on services of general interest : accessibility, price and quality 260
An R package for the simulation of correlated discrete variables 260
A different approach to dependence analysis 256
A measurement tool for comparing satisfaction 247
Statistical methods for evaluating satisfaction with public services 245
ASTEP 2001 - Analisi Statistica Territoriale Delle Elezioni Politiche 2001 in Lombardia e Confronto con le Elezioni Regionali 2000 238
Algorithmic imputation techniques for missing data : performance comparisons and development perspectives 238
Citizens evaluate public services : a critical overview of statistical methods for analysing user satisfaction 238
Complementary Use of Rasch Models and Nonlinear Principal Components Analysis in the Assessment of the Opinion of Europeans About Utilities 235
An imputation method for categorical variables with application to nonlinear principal component analysis 233
A measurement tool for comparing satisfaction 232
Setting-up of indicators to measure and to compare users’ dissatisfaction : the case of public services in Europe 230
In the end, will we all be Europeans? A two-phase analysis of citizens’ sentiment towards the EU 229
Multilevel Models and Robustness 227
A two-step approach to analyze satisfaction data 226
GenOrd: Simulation of ordinal and discrete variables with given correlation matrix and marginal distributions (v. 1.4.0) 226
Multidimensional item response theory models for dichotomous data in customer satisfaction evaluation 225
Calibration of multiple-choice questionnaires to assess quantitative indicators 222
An extension and a new interpretation of the rank-based concordance index 222
A way to measure the opinion of Europeans about utilities 221
Nonlinear Principal Component Analysis 218
A Comprehensive Simulation Study on the Forward Imputation 217
Handling Missing Data in Presence of Categorical Variables: a New Imputation Procedure 213
Simulating Ordinal Data 213
A two step procedure to analyze users' satisfaction 211
European consumers attitudes on services of general interest : accessibility, price and quality 2000-2004 211
Evaluation and comparison of European countries : public opinion on services 210
Evaluation and comparison of European countries : public opinion on services 207
A proposal for the multidimensional extension of CUB models 204
Missing data handling in setting up indicators from categorical data 203
Nonlinear principal component analysis with missing data : a forward imputation approach 203
A proposal for setting-up vulnerability indicators in the presence of missing data 199
A proposal for setting-up indicators in the presence of missing data : the case of vulnerability indicators 194
Thyroid Dysfunction in Women with Systemic Sclerosis 194
Multidimensional extensions of IRT models and their application to customer satisfaction evaluation 192
Simulating Correlated Ordinal and Discrete Variables with Assigned Marginal Distributions 189
Optimal Scaling and Missing Data 189
Generating and Comparing Multivariate Ordinal Variables by Means of Permutation Tests 187
Measuring service quality : the opinion of Europeans about utilities 186
Componente del Comitato scientifico di ICORS09 : International conference on robust statistics 185
Relazioni fra comportamento elettorale e variabili socio-demografiche: una proposta di analisi 183
On the variability of maximum likelihood estimators in multilevel models with MEP distributed random effects 181
GenForImp: The Forward Imputation : A Sequential Distance-Based Approach for Imputing Missing Data 181
Missing data and parameters estimates in multidimensional item response models 179
A dependence measure flow tree through Monte Carlo simulations 179
A data mining approach to advance knowledge in public government : profiling households 176
New perspectives for the MDC index in social research fields 174
Missing data in optimal scaling 172
Europeans’ opinions on services 172
Nonlinear PCA for Environmental Risk Maps 171
The effects of MEP distributed random effects on variance component estimation in multilevel models 170
Responsabile scientifico dell'Unità di ricerca di Programma di ricerca "Metodi statistici multivariati per la valutazione integrata della qualità dei servizi di pubblica utilità: efficacia-efficienza, rischio del fornitore, soddisfazione degli utenti" 166
From multiple choice questionnaires to synthetic indicators : jointly use of Rasch analysis and NonLinear PCA 163
Componente Comitato scientifico di Statistica & applicazioni 158
Presidente del Comitato scientifico di Convegno "Multivariate methods and models for evaluating public services" 158
Una proposta per la costruzione di gruppi omogenei di tabelle di mobilità 158
The RCI as a measure of monotonic dependence 156
Rheumatic disorders and primary biliary cirrhosis: an appraisal of 170 Italian patients 155
Are the recent trends in liver cirrhosis mortality affected by the changes in alcohol consumption? Analysis of latency period in European countries 149
Is the EU influencing the quality of life? : let people have their say! 149
Robustness of parameter estimation procedures in multilevel models when random effects are MEP distributed 146
On the Impact of the European Union in Citizens’ Perception of Quality of Life 139
Una proposta per le componenti erratiche del modello multilivello 126
null 114
New perspectives for the RDI index in social research fields 8
Totale 18.557
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Categoria #
all - tutte 40.366
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 40.366
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/202176 0 0 0 0 0 0 0 0 0 0 0 76
2021/20221.505 58 112 132 47 101 122 142 106 145 156 133 251
2022/20231.284 181 98 99 156 133 236 40 70 182 24 42 23
2023/2024711 19 46 26 124 145 55 28 32 4 48 77 107
2024/20251.633 88 170 52 109 243 37 31 152 93 76 136 446
2025/20263.248 256 190 226 218 391 260 442 215 425 246 236 143
Totale 18.557