نتایج جستجو برای: parametric methods

تعداد نتایج: 1922157  

2001

In the conventional approach to these questions the demand analyst chooses a parametric form for the underlying utility function and derives the associated set of parametric demand functions, which are then fitted to the data using some econometric technique. The resulting parameter estimates can then be tested to see if they conform to the restrictions imposed by the utility maximization model...

2000
Pawel Radzikowski

Non-parametric and computational methods of option pricing have recently attracted attention of researchers. These typically include highly data intensive, model-free approaches that complement traditional parametric methods. Non-parametric and computational methods of option pricing typically include highly data intensive, model-free approaches that complement traditional parametric methods. O...

1997
D. Fadda E. Slezak A. Bijaoui

One key issue in several astrophysical problems is the evaluation of the density probability function underlying an observational discrete data set. We here review two non-parametric density estimators which recently appeared in the astrophysical literature, namely the adaptive kernel density estimator and the Maximum Penalized Likelihood technique, and describe another method based on the wave...

2004
DIETER RASCH VOLKER GUIARD D. Rasch V. Guiard

In psychological research sometimes non-parametric procedures are in use in cases, where the corresponding parametric procedure is preferable. This is mainly due to the fact that we pay too much attention to the possible violation of the normality assumption which is needed to derive the exact distribution of the statistic used in the parametric approach. An example is the t-test and its non-pa...

2003
Christina Kendziorski Deepayan Sarkar Meng Chen

2010
Ming Yuan Ping Wang Deepayan Sarkar Michael Newton Christina Kendziorski

The trend of river discharge changes in arid and semi-arid regions is mostly decreasing and this trend can be influenced by climatic factors and rising temperatures in recent decades in these areas. This reduction in discharge could have a significant impact on the water storage of the Nahrin Dam and agriculture, industry and drinking water in Tabas City, which should be considered by experts. ...

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