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Statistics, Nonparametric
Research News and Information
Definition of 'Statistics, Nonparametric'A class of statistical methods applicable to a large set of probability distributions used to test for correlation, location, independence, etc. In most nonparametric statistical tests, the original scores or observations are replaced by another variable containing less information. An important class of nonparametric tests employs the ordinal properties of the data. Another class of tests uses information about whether an observation is above or below some fixed value such as the median, and a third class is based on the frequency of the occurrence of runs in the data. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1284; Corsini, Concise Encyclopedia of Psychology, 1987, p764-5) |
Saturday, November 21, 2009
13 Nov 2009 
PURPOSE: To identify a set of genes related to the progression and metastasis of advanced cervical cancer after radiotherapy and to establish a predictive method. METHODS AND MATERIALS: A total of 28 patients with cervical cancer (15 stage IIIB, 13 ... Read more...
30 Oct 2009 The purpose of this article is to introduce a novel model for discriminating correctly folded proteins from well designed decoy structures using mechanical interatomic forces. In our model, we consider a protein as a collection of springs and the ... Read more...
30 Oct 2009 PURPOSE: Craniofacial venous malformations (VMs) are challenging lesions. Treatment is not routinely indicated unless the benefit and loss have been weighed properly. Therefore it is crucial to predict clinical outcome before treatment. This study ... Read more...
Latest indexed articles for 'Statistics, Nonparametric'
These are the very latest articles for this heading:
- Identification of genes associated with progression and metastasis of advanced cervical cancers after radiotherapy by cDNA microarray analysis. 13 Nov 2009
- A distance-dependent atomic knowledge-based potential and force for discrimination of native structures from decoys. 30 Oct 2009
- Craniofacial venous malformations: magnetic resonance imaging features that predict treatment outcome. 30 Oct 2009
- Platelet-rich plasma and resorbable membrane for prevention of periodontal defects after deeply impacted lower third molar extraction. 30 Oct 2009
- Effects of recombinant human erythropoietin on mandibular distraction osteogenesis. 30 Oct 2009
- Correlation between selenium concentrations and glutathione peroxidase activity in serum and human prostate tissue. 30 Oct 2009
- The time course of dopamine transmission in the ventral tegmental area. 19 Oct 2009
- Input-specific intrasynaptic arrangements of ionotropic glutamate receptors and their impact on postsynaptic responses. 12 Oct 2009
- Early progression of the autonomic dysfunction observed in pediatric type 1 diabetes mellitus. 3 Oct 2009
- Genomic aberrations in 80 cases of primary glioblastoma multiforme: Pathogenetic heterogeneity and putative cytogenetic pathways. 29 Sep 2009
- Are there any more ovarian tumor suppressor genes? A new perspective using ultra high-resolution copy number and loss of heterozygosity analysis. 29 Sep 2009
- Correlation between neutral alpha-glucosidase activity and sperm DNA fragmentation. 29 Sep 2009
- Hypogonadism-related symptoms: development and evaluation of an empirically derived self-rating instrument (HRS 'Hypogonadism Related Symptom Scale'). 29 Sep 2009
- Predictors of improved seminal parameters and fertility after varicocele repair in young adults. 29 Sep 2009
- Awareness within the French population concerning stroke signs, symptoms, and risk factors. 29 Sep 2009
- Splenic hypofunction in Whipple's disease.
29 Sep 2009 - Salivary glands: echo-planar versus PROPELLER Diffusion-weighted MR imaging for assessment of ADCs. 29 Sep 2009
- C957T polymorphism of dopamine D2 receptor gene affects striatal DRD2 in vivo availability by changing the receptor affinity. 29 Sep 2009
- Randomized controlled trial of aspirin and clopidogrel versus aspirin and placebo on markers of smooth muscle proliferation before and after peripheral angioplasty. 29 Sep 2009
- Infrapopliteal balloon angioplasty for the treatment of chronic occlusive disease. 29 Sep 2009
See a longer list of these articles.
Technical information about 'Statistics, Nonparametric'
Definition: A class of statistical methods applicable to a large set of probability distributions used to test for correlation, location, independence, etc. In most nonparametric statistical tests, the original scores or observations are replaced by another variable containing less information. An important class of nonparametric tests employs the ordinal properties of the data. Another class of tests uses information about whether an observation is above or below some fixed value such as the median, and a third class is based on the frequency of the occurrence of runs in the data. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1284; Corsini, Concise Encyclopedia of Psychology, 1987, p764-5)
Descriptor UI: D018709
Alternative terms: Statistics, Nonparametric; Nonparametric Statistics; Statistics, Non-Parametric; Statistics, Non Parametric; Non-Parametric Statistics; Non Parametric Statistics; Kruskal-Wallis H Statistic; Wilcoxon Rank Test; Rank Test, Wilcoxon; Test, Wilcoxon Rank; Rank-Sum Tests; Rank Sum Tests; Rank-Sum Test; Test, Rank-Sum; Tests, Rank-Sum; Spearman Rank Correlation Coefficient; Wilcox Test; Test, Wilcox; Kolmogorov-Smirnov Test; Kolmogorov Smirnov Test; Test, Kolmogorov-Smirnov; Mann-Whitney U Test; Mann Whitney U Test; Test, Mann-Whitney U; U Test, Mann-Whitney;
Tree Number: E05.318.740.995; N05.715.360.750.760; N06.850.520.830.995;
History Note: 95
Technical Notes: IM GEN only; coord NIM with specific disease /epidemiol (IM) or specific non-disease term /statist (IM); no qualif