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On censoredand missing observationsin nonstationary time series / Hossam Mohammmad Hassan Abdelwahab ; Supervised Eid H. Doha , Abdel H. Elshaarawi

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Hossam Mohammmad Hassan Abdelwahab , 2021Description: 83 P. : charts ; 25cmOther title:
  • حول القيم المفقودة و المراقبة للسلاسل الزمنية الغير مستقرة [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Mathematics Summary: Exposure to toxic contaminants in the environment harm human and an- imal health as well as disturb the integrity and function of the impacted ecosystem.The impact could belocal ,regional ,and global.The concen- tration of a toxic substance below or above detection limits or thresholds in environmental samples is frequently recorded as non-detect ,which cre- ate a left or right censoring .Interval censoring occurs when the correct values are known only for those falling above a lower threshold and below an upper threshold.Multiple censored points are also important in prac- tice, as censoring threshold values may change overtime .In this thesis, we aim to estimate the environmental contaminants concentration and loading in the presence of censored and missing value
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.17.Ph.D.2021.Ho.O (Browse shelf(Opens below)) Not for loan 01010110083253000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.17.Ph.D.2021.Ho.O (Browse shelf(Opens below)) 83253.CD Not for loan 01020110083253000

Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Mathematics

Exposure to toxic contaminants in the environment harm human and an- imal health as well as disturb the integrity and function of the impacted ecosystem.The impact could belocal ,regional ,and global.The concen- tration of a toxic substance below or above detection limits or thresholds in environmental samples is frequently recorded as non-detect ,which cre- ate a left or right censoring .Interval censoring occurs when the correct values are known only for those falling above a lower threshold and below an upper threshold.Multiple censored points are also important in prac- tice, as censoring threshold values may change overtime .In this thesis, we aim to estimate the environmental contaminants concentration and loading in the presence of censored and missing value

Issued also as CD

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