hungarian central statistical office handbook on seasonal adjustment stes wp 25-27 june 2007 methods...
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Hungarian Central Statistical Office
Handbook on Seasonal Adjustment
STES WP 25-27 June 2007
Methods and Practices on Seasonal Adjustment in the European Statistical System
(Handbook on Seasonal Adjustment)
Project leader: Erika Földesi
Presented by Tamás KOTULICS
Hungarian Central Statistical Office
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Contents of the presentation
The main actions of the project The aim of the Handbook Structure and contents of the Handbook
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Main Actions
Preparatory phase of the project
Collecting the current practices of statistical offices Create a website (www.ksh.hu/hosa)
Analysing phase
Analysing and comparing the collected practices
Elaborating the recommended practices
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Main Actions (cont.)Draft version
Compiling the draft version of the Handbook Collecting opinions about the draft
WorkshopPresentations about the best practices Discussing the draft version of the Handbook
Compiling the HandbookCompiling the second draft version of the Handbook Collecting opinions on it Compiling the final version of the Handbook
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Workshop Budapest, 9 November 2006
32 participants from 23 countries 3 representatives from Eurostat and OECD
Programme: presentation and discussion of the draft Handbook presentations of the NSI’s representatives on
seasonal adjustment practices quality aspects of seasonal adjustment process
presentation and discussion of the recommended practices and Quality Report on seasonal adjustment
Discussion on quality and software of seasonal adjustment – proposed by Statistics Sweden
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The aim of the Handbook
To synthesize the applied seasonal adjustment practices and methods
To collect information on the quality of seasonally adjusted data production process
To publish a complete description on seasonal adjustment for all statistical offices in the European Statistical System which contains also recommended practices a proposal for quality report on seasonal adjustment.
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Contents of the Handbook1. Introduction2. Brief Historical Background3. Basic Definitions4. Summary of Seasonal Adjustment Practices in NSI’s 5. Methods and Software6. Recommended Practices for Seasonal Adjustment7. Proposal for Quality Report on Seasonal Adjustment
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Table of Contents - Annex
I. Questionnaire for Handbook on SA
II. Results
III. NSI’s practices
IV. Methods and Software
V. Eurostat Recommendations
VI. Quality Measures for Seasonal Adjustment
VII. Proposal for Quality Report
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Response rateAnswers Answers Answers
Reg
ion
Country co
unte
d
aggr
egat
ed
Reg
ion
Country
coun
ted
aggr
egat
ed
Reg
ion
Country
coun
ted
aggr
egat
ed
Austria* 2 × Portugal* 2 × Malta 1 × Belgium* Spain* 2 × Poland* 1 × Denmark* 1 × Sweden* 1 × Romania 1 ×
Finland* 3 ×
EU
-15
United Kingdom* 1 × Slovak Republic* 9 ×
France* 8 × Bulgaria 2 ×
NM
S-1
2
Slovenia 1 × Germany* 3 × Cyprus 1 × Croatia 3 ×
Greece 1 × Czech Republic* 2 × Iceland* 1 ×
Ireland* 1 × Estonia 1 × Norway* 1 ×
Italy* 2 × Hungary* 1 × Switzerland* 1 × Luxembourg* 1 × Latvia 1 ×
Non
-EU
Turkey* 1 ×
EU
-15
Netherlands* 1 ×
NM
S-1
2
Lithuania 1 × Total 32 58 31 Answers as % of total 97%
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Seasonal adjustments methods used I.
Seasonal Adjustment Methods Region Tramo/Seats X11 X12 Other
Number (Rate) of answering
countries
Answer 10 5 9 1 14 (93%) EU-15
% 71% 36% 64% 7%
Answer 12 1 3 1 12 (100%) NMS-12
% 100% 8% 25% 8%
Answer 3 0 4 0 5 (100%) Non-EU
% 60% 0% 80% 0%
Answer 25 6 16 2 31 (97%) Total
% 81% 19% 52% 6%
Hungarian Central Statistical Office
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Seasonal adjustments methods used II.
Hungarian Central Statistical Office
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Seasonal adjustments methods used III.
Seasonal Adjustment Methods Tramo/Seats X11 X12 Other
Number (Rate) of answering
countries
Answer 5 9 6 3 16 (73%) Methods used in 2002
% 31% 56% 44% 19%
Answer 10 4 10 2 16 (73%) Methods used in 2006
% 63% 25% 63% 13%
Answer 8 0 10 4 16 (73%) Methods planned in 2002
% 50% 0% 63% 25%
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Contact information
Name: Erika Földesi
Email: [email protected]
Web: www.ksh.hu/hosa
Fax: +36-1-345-6681
Thank you for your kind attention!