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Wyświetlanie 1-15 z 897
Tytuł:
Methods of Classification Error Decompositions and their Properties
Analiza własności metod dekompozycji błędu klasyfikacji
Autorzy:
Rozmus, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/906885.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
classification error
prediction error
error decomposition
Opis:
The idea of error decomposition originates in regression where squared loss function is applied. More recently, several authors have proposed corresponding decompositions for classification problem, where 0-1 loss is used. The paper presents the analysis of some properties of recently developed decompositions for 0-1 loss.
Źródło:
Acta Universitatis Lodziensis. Folia Oeconomica; 2007, 206
0208-6018
2353-7663
Pojawia się w:
Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza błędów językowych w praktyce glottodydaktycznej (na przykładzie języka angielskiego w szkole ponadgimnazjalnej)
Error analysis in glottodidactics on the example of the English language in secondary education
Autorzy:
Borecka, Violetta Elżbieta
Powiązania:
https://bibliotekanauki.pl/articles/2117321.pdf
Data publikacji:
2016-12-30
Wydawca:
Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Tematy:
linguistic error
error identification
interference
interlanguage
error classification
foreign language learning
error description
language transfer
Opis:
The aim of the article is to draw attention to the problems of error analysis in terms of its suitability for glottodidactics. Error analysis from a conventional perspective consists of successive stages of error identification, description, explication and evaluation. Carrying out these activities in the procedural order enables implementation of the last phase of analysis – error therapy, which is also its goal. In a broader perspective, error prevention is also taken into account. However, it turns out that in pedagogical practice proper conduct of the processes of identifying, describing, and classifying errors may be complicated. The article briefly presents the technique of error analysis in foreign language teaching in theoretical terms and also shows problematic examples taken from research material in the form of written tasks in English of Polish secondary school students. A few reflections have been formulated to help teachers understand processes of linguistic difficulties and take appropriate decisions concerning the methodology of prevention and treatment of language errors.
Źródło:
Białostockie Archiwum Językowe; 2016, 16; 41-56
1641-6961
Pojawia się w:
Białostockie Archiwum Językowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reduction of machining errors by CMM-CNC data feedback
Autorzy:
Stryczek, R.
Powiązania:
https://bibliotekanauki.pl/articles/114048.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
machining error
error compensation
accuracy enhancement
Opis:
Needs and possibilities of the reduction of machining automation errors on the basis of the measurements of a workpiece which undergoes a multi-sided machining is presented in the paper. The article briefly shows various sources of machining errors and their reduction methods. The difficulties occurring when taking into account the CMM measurements results in the workshop environment are characterized. The examples of how the presented approach can be applied in practice is displayed.
Źródło:
Measurement Automation Monitoring; 2015, 61, 5; 154-157
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
"Error qualitatis" w doktrynie kanonistycznej okresu klasycznego
Error facti nella dottrina canonistica del periodo classico
Autorzy:
Góralski, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/663413.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
Tematy:
error qualitatis
Opis:
L’influsso dell’errore sulla qualità della persona riguardo alla validità del consesno matrimoniale e del matrimonio stesso, descritto nel can. 1097 § 2 CIC: „Error in qualitate personae, etui det causa contractui, matrimonium irritum non reddit, nisi qualitas directe et principaliter intendatur”, ha sua lunga storia.Nel suo studio l’autore cerca di individuare lungo il periodo classico della dotrina canonistica (Graziano, Pietro Lombardo, Rufino, Rolando, Bernardo Balbi, Guillermo di Auxèrre, Raimondo de Peñafort, Giovanni di Friburgo, San Tommaso d’Aquino, San Bonawentura, Riccardo di Mediavilla, Le Decretali di Gregorio IX, L’Ostiense) il formarsi dei concetti e dei diversi assetti e strumenti adoperati per spiegare le complesse problematiche del suddetto influsso dell’errore sulla qualità.
Źródło:
Ius Matrimoniale; 2010, 21, 15; 43-67
1429-3803
2353-8120
Pojawia się w:
Ius Matrimoniale
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rounding Errors in Romberg Algorithm
Autorzy:
Chojnacki, Janusz
Kiełbasiński, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/747782.pdf
Data publikacji:
1987
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Roundoff error
Opis:
.
It is shown that each quadrature computed by Romberg algorithm is exact for slightly perturbed data (computed values of the integrand). For the ordinary summation algorithm the cumulation of rounding errors is proportional to N, the number of quadrature modes. For more elaborate summation the cumulation is proportional to log N. For the binary floating point arithmetic with proper rounding of the sum, the cumulation of errors can be made practically independent of N. In each case the influence of Romberg extrapolation on the cumulation of rounding errors is bounded by a constant.
Źródło:
Mathematica Applicanda; 1987, 15, 29
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of extensive recasts in error detection and correction by adult ESL students
Autorzy:
Hawkes, Laura
Nassaji, Hossein
Powiązania:
https://bibliotekanauki.pl/articles/780885.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
error detection
error correction
recast
corrective feedback
grammaticality
Opis:
Most of the laboratory studies on recasts have examined the role of intensive recasts provided repeatedly on the same target structure. This is different from the original definition of recasts as the reformulation of learner errors as they occur naturally and spontaneously in the course of communicative interaction. Using a within-group research design and a new testing methodology (video-based stimulated correction posttest), this laboratory study examined whether extensive and spontaneous recasts provided during smallgroup work were beneficial to adult L2 learners. Participants were 26 ESL learners, who were divided into seven small groups (3-5 students per group), and each group participated in an oral activity with a teacher. During the activity, the students received incidental and extensive recasts to half of their errors; the other half of their errors received no feedback. Students’ ability to detect and correct their errors in the three types of episodes was assessed using two types of tests: a stimulated correction test (a video-based computer test) and a written test. Students’ reaction time on the error detection portion of the stimulated correction task was also measured. The results showed that students were able to detect more errors in error+recast (error followed by the provision of a recast) episodes than in error-recast (error and no recast provided) episodes (though this difference did not reach statistical significance). They were also able to successfully and partially successfully correct more errors in error+recast episodes than in error-recast episodes, and this difference was statistically significant on the written test. The reaction time results also point towards a benefit from recasts, as students were able to complete the task (slightly) more quickly for error+recast episodes than for error-recast episodes.
Źródło:
Studies in Second Language Learning and Teaching; 2016, 6, 1; 19-41
2083-5205
2084-1965
Pojawia się w:
Studies in Second Language Learning and Teaching
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
English Language Error Analysis of the Written Texts Produced by Ukrainian Learners: Data Collection
Autorzy:
Kotsyuk, Lessia Mykolayivna
Powiązania:
https://bibliotekanauki.pl/articles/677027.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Slawistyki PAN
Tematy:
corpus
data
English language
error
error analysis
Ukrainian learner
Opis:
English Language Error Analysis of the Written Texts Produced by Ukrainian Learners: Data CollectionRecently, the studies of second language acquisition have tended to focus on learners errors as they help to predict the difficulties involved in acquiring a second language. Thus, teachers can be made aware of the difficult areas to be encountered by the students and pay special attention and devote emphasis to them. The research goals of the article are to define what error analysis is and how it is important in L2 teaching process, to state the significance of corpus studies in identifying of different types of errors and mistakes, to provide the results of error analysis of the corpus of written texts produced by Ukrainian learners. In this article, major types of errors in English as a second language for Ukrainian students are mentioned.
Źródło:
Cognitive Studies; 2015, 15
2392-2397
Pojawia się w:
Cognitive Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optical path pointing error and coaxiality analysis of APT system of space laser communication terminal
Autorzy:
Furui, Zhang
Ping, Ruan
Junfeng, Han
Powiązania:
https://bibliotekanauki.pl/articles/1835781.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
pointing error
coaxiality error
APT system
space laser communication
Opis:
Precision beam pointing is the key indicator for APT (acquisition, pointing and tracking) system in space laser communication. The laser travels inside the optical system and the pointing vector will be affected by an assembly error of the axis and reflectors. In this paper, the model of the optical path pointing error and coaxiality error induced by the assembly error are established; the error distribution is given and a quantitative analysis is performed. The results show that the magnitude of pointing error is affected by the axis assembling error greatly but its distribution is susceptible to the reflector assembly error. Finally, the correction of coaxiality is performed and tested. The experimental results show that the coaxiality error can be greatly improved and the mean value of the coaxiality error of a beacon path and a signal path are 14 and 9.6 μrad, respectively, which meets the requirements. This work can provide guidance for design and assembly of the APT and contribute to the improvement of its pointing performance.
Źródło:
Optica Applicata; 2021, 51, 2; 203-222
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Accuracy analysis of the 2D resistance-to-voltage converters for resistive sensors
Autorzy:
Warsza, Z. L.
Idźkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/114306.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
converter
error
uncertainty
Opis:
The novelty of this work is the analysis of accuracy measures and its visualization especially for the simultaneous two parameter measurements. The parameters of the resistance-to-voltage converters, i.e. different types of DC circuits with arbitrary variable resistive sensors (of relative resistance increments), and their accuracy measures are discussed. Transfer coefficients, limited error (and also standard uncertainty) as functions of relative increments of resistance are shown in broad range for different types of supply and sensor configuration of the circuit of initial 2D converters.
Źródło:
Measurement Automation Monitoring; 2015, 61, 10; 460-464
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unvermeidbares Fremdes in der Sprache und Translation: Der Fehler und seine Typisierung
Unavoidable and foreign in language and translation: errors and mistakes and their typification
Autorzy:
Maras, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/679528.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
error
mistake
types
-
Opis:
The paper focuses on showing the foreign phenomenon in language in translation, which are errors and mistakes. Various types of errors and mistakes were presented in the article: lingual as well as nonlingual (pragmatic, logical, objective), absolute, relative and others. Errors and mistakes from a didactical point of view were shown in the paper as well. Showing the typification of errors and mistakes as foreign phenomenon both in the language and in the translation is to be the most important purpose of this article.
-
Źródło:
Acta Universitatis Lodziensis. Folia Germanica; 2016, 12; 49-58
2449-6820
Pojawia się w:
Acta Universitatis Lodziensis. Folia Germanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficient estimation of population mean in the presence of non-response and measurement error
Autorzy:
Tiwari, Kuldeep Kumar
Sharma, Vishwantra
Powiązania:
https://bibliotekanauki.pl/articles/18105157.pdf
Data publikacji:
2023-06-13
Wydawca:
Główny Urząd Statystyczny
Tematy:
non-response
measurement error
mean squared error
efficiency
mean estimation
Opis:
In real-world surveys, non-response and measurement errors are common, therefore studying them together seems rational. Some population mean estimators are modified and studied in the presence of non-response and measurement errors. Bias and mean squared error expressions are derived under different cases. For all estimators, a theoretical comparison is made with the sample mean per unit estimator. The Monte-Carlo simulation is used to present a detailed picture of all estimators' performance.
Źródło:
Statistics in Transition new series; 2023, 24, 3; 95-116
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identyfikacja i klasyfikacja błędów językowych na lektoracie języka niemieckiego
Autorzy:
Kawka, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/1397441.pdf
Data publikacji:
2018-12-31
Wydawca:
Ateneum - Akademia Nauk Stosowanych w Gdańsku
Tematy:
error
error analysis
mistakes in foreign language teaching
lapsology
glottodidactics
Opis:
Knowledge of foreign languages constitutes one of the key competencies amongst graduates of the Bachelor of Economics. In the era of globalisation, the importance of a high level of proficiency in foreign languages has become self-evident. The empirical part of this article is devoted to the analysis of the most common language mistakes committed by first-year students of the B1 group of Marketing and Management at the University of Economics in Krakow. A portion of the final exams submitted by a group of 13 students has been analyzed. The study focuses on the identification and classification of errors and presents the frequency distribution, as percentages, of errors in individual categories. The author's intention is not to indicate the causes of errors and their assessment, but to present the problems faced by students of the Bachelor of Economics, who learn ‘business language’, which a specialism within the German language studies. The results of the study might act as a starting point for the development of appropriate educational materials to support the process of teaching a wide variety of German language courses.
Źródło:
Forum Filologiczne Ateneum; 2018, 6, 1; 159-169
2353-2912
2719-8537
Pojawia się w:
Forum Filologiczne Ateneum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pojęcie błędu medycznego i zdarzenia medycznego
The Concept of Medical Error and Medical Event
Autorzy:
Korytkowska, Daria
Powiązania:
https://bibliotekanauki.pl/articles/907443.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
error
event
medical error
medical event
classification of medical terror
Opis:
In this paper, Author presents basic definitions found in the Polish literature concerning medical error and medical event. Author proposes her own definitions for the terms. The concept of a medical event was first used in the recent Act of 28 April 2011 amending the act on the patient's rights and Patient's Ombudsman, and the act on obligatory insurance, Guarantee Fund and the Polish Motor Insurers' Bureau, while the notion of a medical error has been used for long. Thus, Author examines differences between the two terms. Based on analysis, Author concludes that the occurrence of a medical event does not require us to demonstrate who has contributed its occurrence, while such demonstration is required in the case of a medical error. The two terms are associated with different scopes of liability for the occurred medical event or error, that is, a medical event is limited to therapeutic activities activity of hospitals while liability for a medical error may be attributed to all medicinal entities.
Źródło:
Acta Universitatis Lodziensis. Folia Oeconomica; 2012, 274
0208-6018
2353-7663
Pojawia się w:
Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of temperature on errors of WIM systems employing piezoelectric sensor
Autorzy:
Gajda, J.
Sroka, R.
Zeglen, T.
Burnos, P.
Powiązania:
https://bibliotekanauki.pl/articles/221307.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
piezoelectric sensors
temperature influence
temperature error of WIM systems
error correction
Opis:
The paper provides analysis of the influence of temperature on the error of weigh-in-motion (WIM) systems utilizing piezoelectric polymer load sensors. Results of tests of these sensors in a climatic chamber, as well as results of long-term tests at the WIM site, are presented. Different methods for correction of the influence of changes in temperature were assessed for their effectiveness and compared.
Źródło:
Metrology and Measurement Systems; 2013, 20, 2; 171-182
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of hot chips in dry cutting processes on the temperature field and displacement of the machine tool table
Autorzy:
Albrecht, Tom
Thiem, Xaver
Penter, Lars
Ihlenfeldt, Steffen
Powiązania:
https://bibliotekanauki.pl/articles/99659.pdf
Data publikacji:
2019
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
accuracy
thermal error
deformation
Opis:
In machining up to 75% of the geometrical variations of work piece, features are caused by thermally induced deformations of machine components [1]. Since in dry cutting up to 80% of the thermal energy is stored in the chips [2], we expected a significant effect of these process-dependent heat sources on the machine accuracy. Based on preliminary simulation results, we systematically applied determined quantities of heated chips to a machine table to understand their impact on the temperature field. Temperature sensors where used to measure the temperature change on the tables surface and in the structure. Length measuring probes measured the corresponding deformations at 24 points distributed over the table. The measurements show a temperature change of 4 K at the surface and 3 K in the structure near the heat source after 6 minutes of exposure to 500°C chips. In this case, the impact on the temperature field is local but causes the bending of the table. We recorded 8 micron of thermo-elastic deformations. The results suggest that high-accuracy processes with large energy input, such as hard turning, require the heat induced into the machine structure by hot chips to be implemented into compensation methods and correction algorithms.
Źródło:
Journal of Machine Engineering; 2019, 19, 3; 31-42
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 897

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