Showing 81 - 100 results of 436 for search '"skewness"', query time: 0.06s Refine Results
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    Tail Risks Across Investment Funds by Jerchern Lin

    Published 2024-12-01
    “…Investors are subject to different sources of skewness and fat tail risks through delegated investments. …”
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    Article
  7. 87

    Depressive symptoms and overwork among physicians employed at a university hospital in Japan by Toru Maruyama

    Published 2017-11-01
    “…In the cross-sectional study (n = 135; mean age 32.7 years ± 5.6), the histograms of scores for the four factors investigated showed a strong positive skewness, while overtime histograms showed a negative skewness at 4, 3, and 2 months prior to the interview with occupational physician, but positive skewness 1 month prior to the interview. …”
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    Article
  8. 88

    Gram-Charlier Processes and Applications to Option Pricing by Jean-Pierre Chateau, Daniel Dufresne

    Published 2017-01-01
    “…Numerical illustrations show the effect of skewness and kurtosis on option prices.…”
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    Article
  9. 89

    Comparative Analysis of Mechanized Versus Conventional Polishing Protocols for Denture Base Acrylic Resins by Margarida Martins Quezada, Carlos Fernandes, Javier Montero, André Correia, Patrícia Fonseca

    Published 2025-01-01
    “…Relatively consistent skewness and lower-to-moderate values of kurtosis were found across resin types. …”
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    Article
  10. 90

    Textural Characteristics and Depositional Regime of the Shitalakshya River Sediments, Bangladesh by Sohag Ali, Mrinal Kanti Roy, Md. Mahmodul Islam, Zillur Rahman, Faruk Ahmed, Abdul Alim, Md. Yeasin Arafath

    Published 2024-01-01
    “…The scatter plots of skewness versus sorting and graphic mean versus sorting indicate that the sediments fall within the river sand zone. …”
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    Article
  11. 91

    Distinct anthropogenic aerosol and greenhouse gas effects on El Niño/Southern Oscillation variability by Xianglin Ren, Wei Liu

    Published 2025-01-01
    “…They promote extreme El Niño events, increase SST skewness, and enlarge the likelihood of El Niño/Southern Oscillation peaking in November while inhibiting Central Pacific El Niño/Southern Oscillation events.…”
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  12. 92

    Structural reliability assessment using quartic normal transformation by Tianfeng Wang, Xiaowen Ji, Yan-Gang Zhao

    Published 2025-01-01
    “…., mean value, standard deviation, skewness, and kurtosis), is not sufficient in evaluating the reliability index of strong non-Gaussian performance functions. …”
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    Article
  13. 93

    Statistical and anomalies analysis of the 50-year precipitation of the synoptic stations in Iran by mina mirian, mostafa karampoor, mohamd moradi, houshang ghemi, behrouz nasiri

    Published 2023-03-01
    “…In order to know the variation of rainfall in studied stations, average maps, coefficient of variation and skewness were drawn. Then, using the Mann-Kendall test, the significance of the trend on each station was tested at 95% confidence level. …”
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  14. 94

    A comparative analysis of L-moments, maximum likelihood, and maximum product of spacing methods for the four-parameter kappa distribution in extreme value analysis by Muhammad Shafeeq ul Rehman Khan, Zamir Hussain, Sadaf Sher, Muhammad Amjad, Faisal Baig, Ishfaq Ahmad, Hamd Ullah

    Published 2025-01-01
    “…The results reveal that MPS is a preferred method of estimation of parameters for KAPD, i.e. having the lowest RMSE values, especially in the presence of heavier tail and significant positive skewness for small to very large sample sizes. Secondly, the method of L-moments is recommended due to its low bias while analyzing the distribution of shape parameters having a slightly heavier tail, and slight or moderate positive skewness. …”
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  15. 95

    Assets performance evaluation with the use of returns distribution characteristics by Seyedeh Masoumeh Mirsadeghpour Zoghi, Masoud Sanei, Ghasem Tohidi, Shokoofeh Banihashemi, Navideh Modarresi

    Published 2023-09-01
    “…By the fact that stock returns are not normally distributed and usually exhibit skewness, kurtosis and heavy-tails, which definitely affects the assets performance, we have to consider the characteristics of the returns distribution. …”
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  16. 96

    Statistical analyzes and anomalies of precipitation in cold period in order to understand the effect of climate change on different regions of Iran (1951-2010) by elham yarahmadi, mostafa karampoor, hooshang ghaemi, mohammad moradi, behrouz nasiri

    Published 2019-06-01
    “…The average rainfall of the southern shores of the Caspian Sea has decreased to the west and east. in other areas of the country, the spatial and temporal variations of rainfall in the autumn are very highand from the north to the south, the mean decreases and the coefficient of variation and skewness increase. In winter, maintaining the pattern of autumn, the average precipitation increases and the coefficient of variation decreases. …”
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  17. 97

    Bi-exponential diffusion-weighted imaging for differentiating high-grade gliomas from solitary brain metastases: a VOI-based histogram analysis by Yifei Su, Junhao Wang, Jinxia Guo, Xuanchen Liu, Xiaoxiong Yang, Rui Cheng, Chunhong Wang, Cheng Xu, Yexin He, Hongming Ji

    Published 2024-12-01
    “…Additionally, HGG exhibited lower mean frac in both ETA (P = 0.007) and PTEA (P = 0.017). Combining skewness of frac in ETA with clear tumor margin enhanced diagnostic performance, achieving an optimal AUC of 0.79. …”
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  18. 98

    Application to Biomedical Data: Using the Topp Leone Inverse Lindley Model by Maha A. Aldahlan

    Published 2022-01-01
    “…Plot analysis for mean, variance, skewness, and kurtosis is performed. The density of the new model can be right skewed and decreasing with unimodal and bimodal shapes. …”
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  19. 99

    A data-driven approach to study temporal characteristics of COVID-19 infection and death Time Series for twelve countries across six continents by Sabyasachi Guharay

    Published 2025-01-01
    “…Results We notably observe a significant asymmetry of distributions shows from skewness and the presence of heavy tails is noted from kurtosis. …”
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  20. 100

    FAULT DIAGNOSIS METHOD OF ROLLING BEARINGS BASED ON ELMD AND KERNEL DENSITY ESTIMATION by WU HaiYan, HAI Jie, YUAN Hao

    Published 2017-01-01
    “…First,the vibration signal is decomposed to be a series PF component by ELMD,calculating RMS、kurtosis、skewness coefficient of PF components,which contains main fault information,then they are combined into a feature vector,the Classification based on kernel density estimation is proposed,multiple sets of vibration signal feature vectors are used to train and test,identify their fault condition. …”
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