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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Forumgrstats
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Wed 21 Apr 2010 - 9:29
10/5/2010 - ΜΟΛΙΣ ΕΝΗΜΕΡΩΘΗΚΑ ΟΤΙ ΟΙ ΘΕΣΕΙΣ ΕΧΟΥΝ ΣΥΜΠΛΗΡΩΘΕΙ
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ΑΝΑΚΟΙΝΩΣΗ - ΔΙΕΥΚΡΙΝΙΣΗ ΓΙΑ ΤΟ ΜΑΘΗΜΑ ΤΟΥ ΚΑΘΗΓΗΤΗ AGRESTI
ΠΜΣ Εφαρμοσμένης Στατιστικής
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ΑΝΑΚΟΙΝΩΣΗ

Σε συνέχεια της προηγούμενης ανακοίνωσης σχετικά με τις διαλέξεις (short course) του Prof. Alan Agresti (University of Florida) με θέμα ‘Analysis of Ordinal Categorical Data’,
διευκρινίζουμε ότι είναι μεταπτυχιακού επιπέδου.
Η παρακολούθηση του short course είναι ελεύθερη αλλά όσοι επιθυμούν να το παρακολουθήσουν πρέπει να το δηλώσουν μέχρι την Παρασκευή 7 Μαίου 2010 στην ηλεκτρονική διεύθυνση mkateri@unipi.gr.


Πληροφορίες: Μαρία Κατέρη
(mkateri@unipi.gr)

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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Alan-agresti-post

ΠΜΣ Εφαρμοσμένης Στατιστικής
Τμήμα Στατιστικής & Ασφαλιστικής Επιστήμης
Πανεπιστήμιο Πειραιώς

ΑΝΑΚΟΙΝΩΣΗ

Ο Prof. Alan Agresti (University of Florida) θα διδάξει μια αυτόνομη 12-ωρη ενότητα (short course) με θέμα
‘Analysis of Ordinal Categorical Data’,
στα πλαίσια του μαθήματος
«Βιοστατιστική και Στατιστικές Μέθοδοι στην Επιδημιολογία»
του Π.Μ.Σ. Εφαρμοσμένης Στατιστικής του Τμήματος Στατιστικής & Ασφαλιστικής Επιστήμης του Πανεπιστημίου Πειραιώς.

Η παρακολούθηση της ενότητας είναι ελεύθερη και η διδασκαλία της θα διεξαχθεί σύμφωνα με το ακόλουθο πρόγραμμα:
Τετάρτη 19/5/2010, ώρα 18.00-22.00, αίθ. 204
Πέμπτη 20/5/2010, ώρα 18.00-22.00, αίθ. A001 (νεοκλασικό)
Παρασκευή 21/5/2010 , ώρα 17.00-21.00, αίθ. A001 (νεοκλασικό)

Ακολουθεί η περιγραφή και η ύλη της ενότητας.


Πληροφορίες: Μαρία Κατέρη
( mkateri@unipi.gr )


(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece 0471360937

Analysis of Ordinal Categorical Data

19-21 May 2010

Abstract

This course surveys methods for analyzing ordinal categorical data, with main focus on models for ordinal response variables. Topics to be covered include ordinal odds ratios and association measures for contingency tables, logistic regression models using cumulative logits, other ordinal logistic regression models (adjacent-categories logits, continuation-ratio logits, partial proportional odds, non-proportional odds, stereotype model), other multinomial response models (cumulative probit, log-log, mean response), marginal models and random effects models for clustered ordinal responses, and Bayesian approaches. Examples use SAS, but references will be given for R functions and Stata procedures. The presentation emphasizes interpretation of the methods rather than technical details, with examples including randomized clinical trials and social surveys such as the General Social Survey.


Outline

1: Logistic Regression Models Using Cumulative Logits

The course begins by introducing ordinal measures that can summarize effects for various ordinal models, such as local odds ratios, global odds ratios, and cumulative odds ratios. It then introduces the cumulative logit model having proportional odds structure, which has become the most commonly used ordinal model. Motivation is shown with a latent variable regression model. Special issues discussed include checking goodness of fit, power and sample size determination, the increased power that results from treating a variable as ordinal rather than nominal, and generalizing the model to permit non-proportional odds.

2: Other Ordinal Logistic Models

This section introduces other ordinal models that use the logit link, focusing on adjacent-categories logit models, continuation-ratio logit models, and stereotype models. These models can also have proportional odds structure. Unlike cumulative logit models, these models still make structural sense when used with non-proportional odds and are easily adapted to Bayesian analyses and estimated with retrospective analyses. Connections will be shown between certain nonparametric tests using midranks (such as the Wilcoxon test and certain generalized Cochran--Mantel--Haenszel tests) and tests for parameters in the ordinal models.

3: Other Ordinal Multinomial Models

This section first introduces the "cumulative link" generalization of the cumulative logit model. The cumulative probit model is an important special case that is implied by an ordinary underlying latent regression model for a normal response. The cumulative log-log link provides a proportional hazards structure. Simpler interpretations result from fitting ordinary regression models for the mean response, but assuming multinomial rather than normal responses. However, ceiling or floor effects can cause bias.

4: Modelling Clustered Ordinal Responses

For clustered categorical responses, such as occur with repeated measurement of subjects in longitudinal studies, two types of models are popular: Marginal models that describe each response in the cluster in terms of explanatory variables, and random effects models that describe such effects at the cluster level. Marginal models are computationally awkward and are usually handled with generalized estimating equations (GEE) methodology. Random effects models can also be computationally difficult, but our focus here is on simple "random intercept" cumulative logit models. Other approaches are briefly mentioned, such as transitional models and conditional likelihood methods.


Presenter
Alan Agresti is Distinguished Professor Emeritus, Department of Statistics, University of Florida. He has presented short courses and given lectures about categorical data methods for universities, industry, and professional organizations in more than 30 countries. He is author of five books, including "Categorical Data Analysis" (2nd ed., 2002) which has now received more than 10,000 citations in journal articles. He received an Honorary Doctor of Science from De Montfort University in 1999, the Statistician of the Year Award from the Chicago chapter of the American Statistical Association in 2003, and the first Herman Callaert Leadership Award in Biostatistical Education and Dissemination from Hasselt University in Belgium in 2004.

Personal webpage: http://www.stat.ufl.edu/~aa/


Last edited by grstats on Mon 10 May 2010 - 16:10; edited 9 times in total
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Wed 21 Apr 2010 - 9:30
Osoi den to exete dei prepei opwsdhpote na pate. Einai ekplhktikos daskalos kai anthrwpos. Ta biblia tou einai kata th gnwmh mou apo ta kalutera pou uparxoun sthn statistiki.
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Thu 22 Apr 2010 - 16:55
To mathima tou einai poli kalo, eidika an sas aresoun oi mikroleptomereies (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_cool . Kourastiko men, logo anapofeufktou programmatismou, alla poli endiaferon. Einai mallon i monadiki dialexi pou exo kratisei simeioseis...

Antitheta, ta vivlia tou omologo oti den me exoun sigkinisei(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_neutral
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Fri 23 Apr 2010 - 9:46
Antitheta egw thewrw to biblio tou ena apo ta kalutera sth statistiki kai me diafora to kalutero sta kathgorika dedomena.

Prin 2-3 xronia eixa dei to short course pou edwse se repeated kai mou arese para polu. Pragmatika zhlepsa ton tropo pou didaskei ...
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty ΑΝΑΚΟΙΝΩΣΗ - ΔΙΕΥΚΡΙΝΙΣΗ ΓΙΑ ΤΟ ΜΑΘΗΜΑ ΤΟΥ ΚΑΘΗΓΗΤΗ AGRESTI

Tue 27 Apr 2010 - 10:23
ΠΜΣ Εφαρμοσμένης Στατιστικής
Τμήμα Στατιστικής & Ασφαλιστικής Επιστήμης
Πανεπιστήμιο Πειραιώς



ΑΝΑΚΟΙΝΩΣΗ

Σε συνέχεια της προηγούμενης ανακοίνωσης σχετικά με τις διαλέξεις (short course) του Prof. Alan Agresti (University of Florida) με θέμα
‘Analysis of Ordinal Categorical Data’,
διευκρινίζουμε ότι είναι μεταπτυχιακού επιπέδου.
Η παρακολούθηση του short course είναι ελεύθερη αλλά όσοι επιθυμούν να το παρακολουθήσουν πρέπει να το δηλώσουν μέχρι την Παρασκευή 7 Μαίου 2010 στην ηλεκτρονική διεύθυνση mkateri@unipi.gr.


Πληροφορίες: Μαρία Κατέρη
(mkateri@unipi.gr)
grstats
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 10 May 2010 - 16:08
Sxetika me to course tou Agresti, oi diathesimes theseis exoun symplirothei kai pleon osoi stelnoun e-mail tous tha enhmerwnontai mono an akyrosei kapoios ti symmetoxi tou.
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 10 May 2010 - 22:11
grstats wrote:Sxetika me to course tou Agresti, oi diathesimes theseis exoun symplirothei kai pleon osoi stelnoun e-mail tous tha enhmerwnontai mono an akyrosei kapoios ti symmetoxi tou.

Εντυπωσιακό !!!
(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_rolleyes (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_rolleyes (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_rolleyes

EDIT : Οκ, τώρα ειδα ποιες ειναι οι αιθουσες... (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Suspect
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 10 May 2010 - 23:10
Και εγώ σε λίστα έχω μπει! cheers cheers
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Tue 18 May 2010 - 21:58
ΠΜΣ Εφαρμοσμένης Στατιστικής
Τμήμα Στατιστικής & Ασφαλιστικής Επιστήμης
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ΜΑΘΗΜΑ: Βιοστατιστική και Στατιστικές Μέθοδοι στην Επιδημιολογία
ΑΝΑΚΟΙΝΩΣΗ
Οι διαλέξεις του Prof. Alan Agresti με θέμα “Analysis of Ordinal Categorical Data”
θα διεξαχθούν σύμφωνα με το ακόλουθο πρόγραμμα:
Τετάρτη 19/5/2010:
ώρα 18.00-22.00
Παλαιό Κτίριο, Καραολή & Δημητρίου 40
Αιθ. 302 (3ος όροφος)
Πέμπτη 20/5/2010:
ώρα 18.00-22.00
Κεντρικό Κτίριο
Αιθ. 340 (3ος όροφος)
Παρασκευή 21/5/2010:
ώρα 17.00-21.00
Κεντρικό Κτίριο
Αιθ. 201 (2ος όροφος)
Προσοχή: Έγινε αλλαγή αιθουσών.

Υγ: Και ναι βρήκα θέση!! cheers
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 14 Jun 2010 - 18:33
eftyxws pou egine allagi, dioti propseri pou eixe erthei oi aithuses itan les kai pigaines se kafeneio to stratou, egw pantws eniwsa mia ntropi gia tin eikona pou deiksame tote ston agresti. kai tha symfwnisw to vivlio tou ta spaei sta categorical data, otan prokeitai gia categorical afto diavazw egw pantws mono. Episis, kalo tha itan afta na diafimizontai kai ligo parapanw kai isws kai ligo nwritera
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 14 Jun 2010 - 23:31
Parapanw diafhmish pws tha ginei? To ebala grstats, eclass forum, facebook grstats, facebook esi, se listes esi kai grstats...

Episis molis oristikopoihthike to prowthisa opote nomizw oti suggekrimenh periptwsh den ginotan kati kalutero.
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 14 Jun 2010 - 23:35
grstats wrote:Parapanw diafhmish pws tha ginei? To ebala grstats, eclass forum, facebook grstats, facebook esi, se listes esi kai grstats...

Episis molis oristikopoihthike to prowthisa opote nomizw oti suggekrimenh periptwsh den ginotan kati kalutero.

Yπήρχε η δυνατότητα για Facebook Ad? (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_razz

Τελικα ποσοι το παρακολουθησαν? Πανω απο 35 ατομα (φοιτητες) σταθερα σε ολες τις ημερες πιστευω ειναι επιτυχια. Προπερσι θυμαμαι ήταν καμια 20αρια (στην 203).
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 14 Jun 2010 - 23:38
Και εγώ πιστεύω ότι υπήρξε υπεραρκετή προώθηση.. Σε σημείο που μία βδομάδα πριν το Short Course υπήρξε λίστα αναμονής... Βοήθησαν λίγο και οι μικρές αίθουσες βέβαια.
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 14 Jun 2010 - 23:39
kai poios tha balei ta lefta?

Sto 1o mathima htan kamia 50aria. H aithousa htan gemath. Sto 2o epese arketa logw apergias (kamia 35aria) kai sto teleutai 25-30.

Genika eixe omws polu perissotero kosmo apo thn allh fora.
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 14 Jun 2010 - 23:44
mp83 wrote:
Yπήρχε η δυνατότητα για Facebook Ad? (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_razz

Τελικα ποσοι το παρακολουθησαν? Πανω απο 35 ατομα (φοιτητες) σταθερα σε ολες τις ημερες πιστευω ειναι επιτυχια. Προπερσι θυμαμαι ήταν καμια 20αρια (στην 203).

Τις δύο πρώτες μέρες είχε μαζευτεί αρκετός κοσμάκης.. Η τελευταία είχε λιγότερους Παρασκευή βλέπεις και αργά study
mp83
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(20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Empty Re: (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece

Mon 14 Jun 2010 - 23:47
grstats wrote:To ebala grstats, eclass forum, facebook grstats, facebook esi, se
listes esi kai grstats
mp83 wrote:Yπήρχε η δυνατότητα για Facebook Ad? (20100510) Prof. Alan Agresti (University of Florida) Short Course: Analysis of Ordinal Categorical Data in Univ. of Piraeus, Piraeus - Greece Icon_razz

Trying to be ironic (unsuccessfully).

Παντως καλά μου ακουγονται τα νουμερα προσέλευσης.
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