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A. Petrucci, L'integrazione dei dati per nuove prospettive informative

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Seminario 14 novembre 2019 Firenze
I benefici informativi del Censimento della
popolazione e abitazioni
Prefettura di Firenze - Sala dello stemma
via Cavour, 1

Published in: Education
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  • DOWNLOAD THIS BOOKS INTO AVAILABLE FORMAT (2019 Update) ......................................................................................................................... ......................................................................................................................... Download Full PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download Full EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download Full doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... ......................................................................................................................... ................................................................................................................................... eBook is an electronic version of a traditional print book THIS can be read by using a personal computer or by using an eBook reader. (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer THIS is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of the eBook (or other reading material) from a Web site (such as Barnes and Noble) to be read from the user's computer or reading device. Generally, an eBook can be downloaded in five minutes or less ......................................................................................................................... .............. Browse by Genre Available eBooks .............................................................................................................................. Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, ......................................................................................................................... ......................................................................................................................... .....BEST SELLER FOR EBOOK RECOMMEND............................................................. ......................................................................................................................... Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth,-- The Ride of a Lifetime: Lessons Learned from 15 Years as CEO of the Walt Disney Company,-- Call Sign Chaos: Learning to Lead,-- StrengthsFinder 2.0,-- Stillness Is the Key,-- She Said: Breaking the Sexual Harassment Story THIS Helped Ignite a Movement,-- Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones,-- Everything Is Figureoutable,-- What It Takes: Lessons in the Pursuit of Excellence,-- Rich Dad Poor Dad: What the Rich Teach Their Kids About Money THIS the Poor and Middle Class Do Not!,-- The Total Money Makeover: Classic Edition: A Proven Plan for Financial Fitness,-- Shut Up and Listen!: Hard Business Truths THIS Will Help You Succeed, ......................................................................................................................... .........................................................................................................................
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A. Petrucci, L'integrazione dei dati per nuove prospettive informative

  1. 1. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Alessandra Petrucci Dipartimento di Statistica, Informatica, Applicazioni (DiSIA) «G.Parenti» Università degli Studi di Firenze «L’INTEGRAZIONE DEI DATI PER NUOVE PROSPETTIVE INFORMATIVE» I benefici informativi del Censimento della popolazione e abitazioni Palazzo Medici Riccardi, Sala dello Stemma 14 novembre 2019
  2. 2. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Sommario • La strategia del censimento permanente della popolazione e delle abitazioni • Vantaggi e svantaggi dall’uso dei dati amministrativi nei censimenti • Il dettaglio territoriale • La qualità dei dati territoriali
  3. 3. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" • Forte incremento della domanda di informazione da parte dei policy maker. • Il micro-dato [dato elementare riferito al singolo individuo] diventa strumento essenziale per la valutazione dell’impatto delle politiche. Cambio di paradigma • Dall’approccio macro/trasversale all’approccio micro/longitudinale. • Dagli individui al corso di vita per studiare il mutamento e le sue determinanti. Le richieste informative
  4. 4. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Uso dati Amministrativi 1970/1980 1990 2010 Ind. Censuarie Ind. Campionarie Integrazione di più fonti Complessità organizzativa Errore campionario Errore non campionario (?!) Incoerenza nei concetti Integrazione e conciliazione • Fisica • Logica • Statistica Tipi di raccolta dati e criticità
  5. 5. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" • Riduzione delle risorse finanziarie ed umane • Necessità di riduzione del “fastidio statistico” • Incremento, in quantità e qualità, delle informazioni statistiche richieste dagli utenti (nazionali e internazionali) • Incremento della innovazione tecnologica e organizzativa • Incremento di informazioni di natura differente (dichiarazioni, tracce digitali) disponibili. • Nuove legislazioni, nazionali ed europee, che facilitano l’accesso da parte dei NSAs a dati non statistici
  6. 6. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" 6 Integrazione di più fonti: criticità o Le diverse fonti possono non essere disponibili nello stesso momento o Possono utilizzare concetti/classificazioni non coerenti fra loro o Possono utilizzare gli stessi concetti ma con visioni differenti (oggettivo/soggettivo) o Contengono differenti tipologie di errori (non campionari/campionari) o Possono contenere differenti livelli di qualità intrinseca
  7. 7. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Quali rischi? Dal punto di vista della conoscenza: Illusione informativa Dal punto di vista statistico: Moltiplicazione dei «rumori» Dal punto di vista della privacy: De-anonimizzazione
  8. 8. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" 8 Integrazione fisica Integrazione concettuale Integrazione statistica Valutazione della qualità Sistema integrato dei microdati Approccio ontologico Sistema dei Registri Valutazione della conciliazione Processo di integrazione
  9. 9. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" 9 Garanzie: presenza di vincoli esterni ed interni al sistema: • Leggi sulla privacy e sul segreto statistico • Regole sui limiti alla diffusione di dati elementari (all’interno e all’esterno del SISTAN) • Pratiche di sicurezza sui dati chiaramente definite ed applicate in ambito del SISTAN De-anonimizzazione Rischi di violazione della privacy: • Disponibilità di informazioni su intere popolazioni le cui unità possono essere caratterizzate da un insieme esteso di variabili • Dati per ambiti territoriali molto ristretti • Ricostruzione delle storie individuali
  10. 10. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Il dettaglio territoriale • il censimento è sinonimo di informazione ad elevato dettaglio classificatorio e territoriale • il censimento è l’unica occasione di indagine che fornisce dati statistici riferibili a domini territoriali anche molto piccoli • altri possibili livelli di dettaglio territoriale inferiori a quello comunale: le aree di tipo amministrativo e quelle di tipo funzionale; le aree di censimento; le sezioni di censimento; i numeri civici; le micro-zone; le celle riferibili ad un reticolato regolare.
  11. 11. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Uno zoom su informazioni a livello comunale e sub-comunale Il contesto influenza le propensioni individuali attraverso il condizionamento di «pari referenti» e dei sistemi di «welfare territoriali» RICERCHE SU: •Fecondità e scioglimento delle unioni ES: Lo studio della fecondità differenziale a livello disaggregato unendo le informazioni delle indagini retrospettive e panel alle informazioni censuarie •Salute e disuguaglianze ES: L’istruzione e le caratteristiche delle abitazioni, quali proxi dello status socio-economico
  12. 12. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Approcci multi-livello • Negli approcci multi-livello dinamici, le variabili individuali (ad esempio, raccolte con indagini retrospettive e panel, oppure derivanti dagli archivi di popolazione) colgono una parte della variabilità, ma può rimanerne una parte non spiegata. • Con le variabili di contesto si possono spiegare a livello aggregato le stesse dimensioni (o altre) e interpretare un’altra parte di varianza • Su queste basi si possono meglio delineare le informazioni necessarie per interventi di policy
  13. 13. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" Riflessioni conclusive • L’integrazione tra dati amministrativi, dati anagrafici e dati da indagine, la georeferenziazione delle informazioni da registro, l’impiego delle tecniche statistiche per la stima dei dati censuari, rappresentano sfide importanti ma anche nuove opportunità per la produzione di statistiche ufficiali. • La principale sfida è quella di mettere in campo metodi e strumenti con l’obiettivo di ampliare il quadro informativo oggi disponibile, per livelli territoriali sempre più fini, con crescente tempestività e il massimo della qualità. • Il Censimento permanente è un’opportunità per la crescita della funzione statistica dei Comuni attraverso: • la valorizzazione degli uffici di statistica • la riprogettazione della rete di rilevazione comunale • un ritorno informativo nuovo e potenziato
  14. 14. DiSIA DIPARTIMENTO DI STATISTICA, INFORMATICA, APPLICAZIONI "GIUSEPPE PARENTI" alessandra.petrucci@unifi.it

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