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Estimating parameters in some ANCOVA Models with non- normal error distributions / Mohamed Abdirahman Omar ; Supervised Ahmed Amin El-sheikh , Naglaa AbdelMoneim Morad

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mohamed Abdirahman Omar , 2014Description: 98 P. ; 30cmOther title:
  • تقدير المعالم لبعض نماذج التغاير مع توزيعات الخطأ الغير معتدلة [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Institute of Statistical Studies and Research - Department of Statistics and Econometrics Summary: According to the results of the simulation study the following points will be introduced: 1) The model (3.14) just valid for and 2 while model (3.1) is valid for any positive integer of . 2) For , and the estimates of the parameters of model (3.1) is better than those of model (3.14), compared to three different values for. 3) For , and the estimates of the parameters of model (3.1) is better than those of model (3.14), compared to three different values for . 4) For , and the estimates of the parameters of model (3.14) is better than those of model (3.1), compared to three different values for . 5) As sample size increase the Bias of the estimates of model (3.14) is better than model (3.1), while the MSE of the estimates of model (3.1) has better than model (3.14). 6) In model (3.14) the maximum value of r is 2, so in all cases the value of Bias and MSE for r=4 not applicable.
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Item type Current library Home library Call number Copy number Status Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.18.04.M.Sc.2014.Mo.E (Browse shelf(Opens below)) Not for loan 01010110064961000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.18.04.M.Sc.2014.Mo.E (Browse shelf(Opens below)) 64961.CD Not for loan 01020110064961000

Thesis (M.Sc.) - Cairo University - Institute of Statistical Studies and Research - Department of Statistics and Econometrics

According to the results of the simulation study the following points will be introduced: 1) The model (3.14) just valid for and 2 while model (3.1) is valid for any positive integer of . 2) For , and the estimates of the parameters of model (3.1) is better than those of model (3.14), compared to three different values for. 3) For , and the estimates of the parameters of model (3.1) is better than those of model (3.14), compared to three different values for . 4) For , and the estimates of the parameters of model (3.14) is better than those of model (3.1), compared to three different values for . 5) As sample size increase the Bias of the estimates of model (3.14) is better than model (3.1), while the MSE of the estimates of model (3.1) has better than model (3.14). 6) In model (3.14) the maximum value of r is 2, so in all cases the value of Bias and MSE for r=4 not applicable.

Issued also as CD

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