نتایج جستجو برای: improved decision tree
تعداد نتایج: 918656 فیلتر نتایج به سال:
Previous research has shown that the selective remembering of a speaker and the resulting silences can cause forgetting of related, but unmentioned information by a listener (Cuc, Koppel, & Hirst, 2007). Guided by more recent work that demonstrated both detrimental and beneficial effects of selective memory retrieval in individuals, the present research explored the effects of selective remembe...
conclusions: absence of the c allele was significantly associated with failure of response. the presence of c allele was associated with a favorable outcome. afp is a strong baseline predictor of hcv treatment response. a decision tree model is useful for predicting the probability of response to therapy. patients and methods: the study included 263 chronic hcv egyptian patients receiving peg-i...
Consider the following problem: given a formula of the modal-calculus, decide whether this formula is equivalently expressible in basic modal logic. It is shown that this problem is decidable, in fact in deterministic exponential time. The decidability result can be obtained through a model theoretic reduction to the monadic second-order theory of the complete binary tree, which by Rabin's clas...
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رشد سریع شهرها و روندصنعتی شدن ، مشکلات زیست محیطی زیادی را در بسیاری از شهرهای جهان ایجاد کرده است.آگاهی از روند تغییرات پوشش و کاربری اراضی طی دوره های زمانی طولانی برای برنامه ریزان و مدیران به منظور ارزیابی و پیش بینی مشکلات ناشی از این تغییرات بسیار با اهمیت است. سنجش از دور ابزار موثری برای پایش تغییرات پوشش اراضی درمناطق شهری و حوالی آن می باشد. شهر یاسوج در چند دهه اخیر بواسطه رشد و بدن...
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the aim of this study was to estimate suspended sediment by the ann model, dt with cart algorithm and different types of src, in ten stations from the lorestan province of iran. the results showed that the accuracy of ann with levenberg-marquardt back propagation algorithm is more than the two other models, especially in high discharges. comparison of different intervals in models showed that r...
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