نتایج جستجو برای: median based discretization

تعداد نتایج: 3063078  

Journal: :CoRR 2010
Marc Arnaudon Frank Nielsen

We investigate existence and uniqueness of p-means ep and the median e1 of a probability measure μ on a Finsler manifold, in relation with the convexity of the support of μ. We prove that ep is the limit point of a continuous time gradient flow. Under some additional condition which is always satisfied for p ≥ 2, a discretization of this path converges to ep. This provides an algorithm for dete...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1391

abstract this study set out to compare the effect of modality of presentation (subtitled vs. auditory) in the comprehension of verbal content of documentary films among iranian efl students. to this end, (30 male 30 female) students were chosen from two schools. after their homogeneity was established, the students attended the listening sessions to watch five documentary films over t...

Journal: :Computer Methods in Applied Mechanics and Engineering 2022

Casting nonlocal problems in variational form and discretizing them with the finite element (FE) method facilitates use of vector calculus to prove well-posedeness, convergence, stability such schemes. Employing an FE also meshing complicated domain geometries coupling methods for local problems. However, weak involve computation a double-integral, which is computationally expensive presents se...

Journal: :IEEE Trans. Information Theory 1996
Matthew R. James Vikram Krishnamurthy F. Le Gland

In this paper we propose algorithms for parameter estimation of fast-sampled homogeneous Markov chains observed in white Gaussian noise. Our algorithms are obtained by the robust discretization of stochastic differential equations involved in the estimation of continuous-time Hidden Markov Models (HMM’s) via the EM algorithm. We present two algorithms: The first is based on the robust discretiz...

1998
Petra Perner Sascha Trautzsch

Properly addressing the discretization process of continuos valued features is an important problem during decision tree learning. This paper describes four multi-interval discretization methods for induction of decision trees used in dynamic fashion. We compare two known discretization methods to two new methods proposed in this paper based on a histogram based method and a neural net based me...

Journal: :medical journal of islamic republic of iran 0
tannaz ahadi firoozgar hospital, iran university of medical sciences, tehran, iran. gholam reza raissi firoozgar hospital, iran university of medical sciences, tehran, iran. masood yavari panzdah khordad hospital, shahid beheshti university of medical sciences, tehran, iran. lobat majidi firoozgar hospital, iran university of medical sciences, tehran, iran.

background: two main muscles studied in the hand for evaluation of median nerve injuries are opponens pollicis (op) and abductor pollicis brevis (apb). however, riché-cannieu communicating branch (rccb) may limit the use of these muscles in electrodiagnosis. this condition is confusing in the case of median nerve injuries. this study was conducted to evaluate the prevalence of rccb.   methods: ...

2007
Sascha Trautzsch Petra Perner

Properly addressing the discretization process of continous valued features is an important problem during decision tree learning. This paper describes four multi-interval discretization methods for induction of decision trees used in dynamic fashion. We compare two known discretization methods to two new methods proposed in this paper based on a histogram based method and a neural net based me...

Journal: :Discrete Applied Mathematics 1998

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