نتایج جستجو برای: wald wolfowitz run test

تعداد نتایج: 912154  

Journal: :international journal of advanced biological and biomedical research 2014
behroz aminzadeh sirus naderi zarneh jalaluddin tajpour saleh barzegar

the present article is aimed at study on agroclimatic conditions of cultivation of sunflower throughout selected substations at kurdistan  province by means of gis system. in this investigation, meteorological data have been received from synoptic stations based on daily, monthly, and annually trend from iran meteorological organization (imo) at kurdistan  province and then homogeneity of data ...

1978
Jerome H. Friedman

Multivariate generalizations of the Wald-Wolfowitz runs statistic and the Smirnov maximum deviation statistic for the two-sample problem are presented. They are based on the minimal spanning tree of the pooled sample points. Some null distribution results are derived, and a simulation study of power is reported. (To be published in Annals of Statistics) *Supported by Department of Energy **Supp...

2008
P. Cappa

During usual data gathering, the statistical analysis eficiency strongly depends on the noise level superimposed on the signal. It has been found that some well known statistical tests, commonly utilised in data acquisition in order to detect the presence of drift, can fail under some conditions. Thus, a statistical procedure for the predictive reliability estimation of the utilised statistical...

2016
Slobodan B. Gadžurić Sanja O. Podunavac Kuzmanović Milan B. Vraneš Marija Petrin Tatjana Bugarski Strahinja Z. Kovačević

The purpose of this work is to promote and facilitate forensic profiling and chemical analysis of illicit drug samples in order to determine their origin, methods of production and transfer through the country. The article is based on the gas chromatography analysis of heroin samples seized from three different locations in Serbia. Chemometric approach with appropriate statistical tools (multip...

Behroz Aminzadeh Jalaluddin TajPour Saleh Barzegar Sirus Naderi Zarneh

The present article is aimed at study on agroclimatic conditions of cultivation of sunflower throughout selected substations at Kurdistan  Province by means of GIS system. In this investigation, meteorological data have been received from synoptic stations based on daily, monthly, and annually trend from Iran Meteorological Organization (IMO) at Kurdistan  Province and then homogeneity of data ...

Mona Moalemi, Nasibeh Solaimani, Samane Azimzade Sarah Karimzadeh Zeinab Ashori,

Needs of human life from the beginning been an important factor We have been threatened by population growth, food security and human well- Men of science and technology with a new plan Maintain and improve their food security to make it work. In this investigation, meteorological data have been received from synoptic stations based on daily, monthly, and annually trend from Iran Meteorological...

2008
Andreas Köhler Matthias Ohrnberger Carsten Riggelsen Frank Scherbaum

This study presents an unsupervised feature selection approach for the discovery of significant patterns in seismic wavefields. We iteratively reduce the number of features generated from seismic time series by first considering significance of individual features. Significance testing is done by assessing the randomness of the time series with the Wald-Wolfowitz runs test and by comparing obse...

2013
Dagmara Panas Urszula Malinowska Tadeusz Piotrowski Jarosław Żygierewicz Piotr Suffczyński

Spindles - a hallmark of stage II sleep - are a transient oscillatory phenomenon in the EEG believed to reflect thalamocortical activity contributing to unresponsiveness during sleep. Currently spindles are often classified into two classes: fast spindles, with a frequency of around 14 Hz, occurring in the centro-parietal region; and slow spindles, with a frequency of around 12 Hz, prevalent in...

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