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13:31 Nov 8, 2019 |
English to Polish translations [PRO] Science - Mathematics & Statistics | |||||||
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| Selected response from: Frank Szmulowicz, Ph. D. United States Local time: 05:00 | ||||||
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3 | wzdłużny/longitudinalny |
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fixed effects model |
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wzdłużny/longitudinalny Explanation: In statistics and econometrics, panel data or longitudinal data[1][2] are multi-dimensional data involving measurements over time. Panel data contain observations of multiple phenomena obtained over multiple time periods for the same firms or individuals. https://en.wikipedia.org/wiki/Panel_data cccccc Lepsza zdolność do badania dynamiki zjawiska, np. na podstawie badania przekrojowego można powiedzieć, jaki jest procent osób bezrobotnych, ale na podstawie badania wzdłużnego (longitudinalnego) można określić podział okresów bezrobocia; W ostatnich 30 latach obserwujemy wyjątkowo wzmożony rozwój badań i metod analizy związanych z szeroko defniowanych pojęciem „analiza danych wzdłużnych (longitudinal data analysis)”. http://kolegia.sgh.waw.pl/pl/KAE/struktura/ISiD/struktura/ZA... cccccccc Badanie miało charakter longitudinalny, a jego celem była ocena rozwoju, poziomu edukacji i funkcjonowania społecznego uczniów z ryzykiem dysleksji w ciągu dziewięciu lat obserwacji. Badanie rozpoczęto w klasie „zerowej” i zakończono w klasie ósmej szkoły podstawowej. http://bibe.ibe.edu.pl/6287-longitudinalne-badania-nad-dysle... |
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11 hrs |
Reference: fixed effects model Reference information: In statistics, a fixed effects model is a statistical model in which the model parameters are fixed or non-random quantities. This is in contrast to random effects models and mixed models in which all or some of the model parameters are considered as random variables. In many applications including econometrics[1] and biostatistics[2][3][4][5] a fixed effects model refers to a regression model in which the group means are fixed (non-random) as opposed to a random effects model in which the group means are a random sample from a population.[6] Generally, data can be grouped according to several observed factors. The group means could be modeled as fixed or random effects for each grouping. In a fixed effects model each group mean is a group-specific fixed quantity. Reference: http://https://en.wikipedia.org/wiki/Fixed_effects_model |
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