全部文献期刊会议图书|学者科研项目
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作者:Krzysztof Domino
来源:[J].Physica A: Statistical Mechanics and its Applications(IF 1.676), 2010, Vol.390 (1), pp.98-109
摘要:... I have used the local DFA to obtain the Hurst exponent (diffusion coefficient) while searching for negative correlations by which changes of long-term trends would be effected. A certain evidence, proving that after the signature of anti-correlation–the drop in the Hurst ...
作者:E.G. Merzlyakov , Ch. Jacobi , Yu.I. Portnyagin ...
来源:[J].Journal of Atmospheric and Solar-Terrestrial Physics(IF 1.417), 2009, Vol.71 (14), pp.1547-1557
摘要:Abstract(#br)Recent analysis of the long-term behavior of different geophysical data has demonstrated that trend parameters can change during a period of observation. Sophisticated general methods for an objective analysis of structural changes in linear trends have been deve...
作者:Gulshan Ara Saeed , Shazia Fakhar , Faisal Rahim ...
来源:[J].Contraception(IF 3.09), 2008, Vol.77 (5), pp.377-381
摘要:Abstract(#br)Background(#br)The study was conducted to determine the impact of counseling and educational leaflets on contraceptive practices of couples.(#br)Study Design(#br)Randomization of 600 women was done in two groups matched for age, parity and socioeconomic status a...
作者:ANIL VAIDYA , MARK S. SOLOWAY , CHRIS HAWKE ...
来源:[J].The Journal of Urology(IF 3.696), 2001, Vol.165 (1), pp.47-50
摘要:Purpose(#br)We reviewed our radical cystectomy series to determine whether the majority of patients present with muscle invasive bladder cancer.(#br)Materials and Methods(#br)The records of 184 radical cystectomies performed by 1 surgeon from 1992 to 1999 were reviewed, and all s...
作者:Carlotta Franchi , Mauro Tettamanti , Alessandra Marengoni ...
来源:[J].European Neuropsychopharmacology(IF 4.595), 2012, Vol.22 (8), pp.569-577
摘要:Abstract(#br)The objective of the study was to assess the trend of antipsychotic prescription in elderly patients taking cholinesterase inhibitors (ChEIs) from 2002 to 2008 and the changes subsequent to two main official warnings issued by the Italian Medicines Agency to restri...
作者:Silvia Kohnová , Marianna Vasilaki , Martin Hanel ...
来源:[J].Contributions to Geophysics and Geodesy, 2018, Vol.48 (3), pp.207-230
摘要:Abstract This paper analyses projected changes in short-term rainfall events during the warm season (April – October) in an ensemble of 30 regional climate model (RCM) simulations. The analysis of trend changes and changes in scaling exponents was done for the Hurbanovo, Bra...
作者:Hyune‐Ju Kim , Jun Luo , Huann‐Sheng Chen ...
来源:[J].Statistics in Medicine(IF 2.044), 2017, Vol.36 (19), pp.3059-3074
摘要:This paper considers an improved confidence interval for the average annual percent change in trend analysis, which is based on a weighted average of the regression slopes in the segmented line regression model with unknown change points. The performance of the improved conf...

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