Temat: overlapping samples - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: ESTIMATION OF POPULATION PARAMETERS USING INFORMATION FROM PREVIOUS PERIOD IN THE CASE OF OVERLAPPING SAMPLES – SIMULATION STUDY
Autorzy:: Kowalczyk, Barbara
Powiązania:: https://bibliotekanauki.pl/articles/453323.pdf
Data publikacji:: 2013
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:: survey methodology
rotating surveys
repeated surveys overlapping samples
Opis:: The paper concerns the problem of estimating population parameters for repeated rotating surveys. Coefficients required for theoretical BLUE estimator for rotating surveys are for actual real surveys usually not known. There are no theoretical papers relating to this problem. It is therefore necessary to conduct suitable simulation studies. Broad simulation analyses conducted in the paper are carried out on the basis of two populations: generated from a multivariate normal distribution and based on real data derived from agricultural censuses.
Źródło:: Metody Ilościowe w Badaniach Ekonomicznych; 2013, 14, 1; 283-292
2082-792X
Pojawia się w:: Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Application of selected ideas from statistical overlapping samples theory to tendency surveys: Designed panel vs resulting overlapping samples
Autorzy:: Kowalczyk, Barbara
Powiązania:: https://bibliotekanauki.pl/articles/500570.pdf
Data publikacji:: 2015
Wydawca:: Szkoła Główna Handlowa w Warszawie
Tematy:: overlapping samples
repeated surveys
business tendency surveys
balance statistics
Opis:: Most tendency surveys are organized to be based on a fixed sample of units across time. This fixed panel constitutes a designed sample. But in practice the resulting sample always differs from the designed one, sometimes quite considerably. In tendency surveys, like in all real surveys, some sampled units refuse to participate, some agree to cooperate but forgo several periods later, some respond irregularly. Consequently, the resulting samples across time never constitute a perfect panel, they form an overlapping sample pattern. In the paper we propose a formula for adjusted balance statistics that takes into account distortion of a sample. The main idea of adjusted balance statistics is analogous to estimators known from statistical overlapping samples theory. Theoretical part of the paper is extended by empirical analysis of monthly business tendency survey data. In particular, the response pattern is studied and comparison of original and adjusted balance statistics is conducted.
Źródło:: Prace i Materiały Instytutu Rozwoju Gospodarczego SGH; 2015, 96: Analyzing and forecasting economic fluctuations; 127-163
0866-9503
Pojawia się w:: Prace i Materiały Instytutu Rozwoju Gospodarczego SGH
Dostawca treści:: Biblioteka Nauki

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