Results 11 to 20 of about 1,456,756 (304)

Depth-Based Signed-Rank Tests for Bivariate Central Symmetry

open access: yesRevstat Statistical Journal, 2020
In this paper, distribution-free, affine invariant, signed-rank test statistics are proposed for the hypothesis that a bivariate distribution is centrally symmetric about an arbitrary specified point.
Sakineh Dehghan   +1 more
doaj   +1 more source

Suspend tests and rankings [PDF]

open access: yesScience, 2020
The notion that U.S. colleges and universities will open this fall in “normal” mode should not be in any forecast. As Dr. Anthony Fauci (of the White House's coronavirus task force) testified last week before the Senate, it's unlikely that a vaccine or treatments for coronavirus disease 2019 (COVID-19) will be available by the time students return to ...
openaire   +2 more sources

Wilcoxon Rank-Based Tests for Clustered Data with R Package clusrank

open access: yesJournal of Statistical Software, 2020
Wilcoxon rank-based tests are distribution-free alternatives to the popular two-sample and paired t tests. For independent data, they are available in several R packages such as stats and coin.
Yujing Jiang   +4 more
doaj   +1 more source

TESTS OF RANK

open access: yesEconometric Theory, 2000
This paper considers tests for the rank of a matrix for which a root-T consistent estimator is available. However, in contrast to tests associated with the minimum chi-square and asymptotic least squares principles, the estimator's asymptotic variance matrix is not required to be either full or of known rank.
Robin, Jean-Marc, Smith, Richard
openaire   +7 more sources

Pseudo-Gaussian and Rank-Based Tests for First-Order Superdiagonal Bilinear Models in Panel Data

open access: yesRevstat Statistical Journal, 2021
In this paper, locally asymptotically optimal (in the H´ajek-Le Cam sense) parametric, pseudo-Gaussian and rank-based procedures are proposed for the problem of testing randomness against first-order superdiagonal bilinear panel dependence (in large n ...
Aziz Lmakri   +3 more
doaj   +1 more source

Comparing Survival Curves Using Rank Tests [PDF]

open access: yes, 1990
Survival times of patients can be compared using rank tests in various experimental setups, including the two-sample case and the case of paired data. Attention is focussed on two frequently occurring complications in medical applications: censoring and ...
Albers   +10 more
core   +3 more sources

Nonparametric Rank Tests for Independence in Opinion Surveys

open access: yesAustrian Journal of Statistics, 2016
Nonparametric rank tests for independence between two characteristics are commonly used in many social opinion surveys. When both characteristics are ordinal in nature, tests based on rank correlations such as those due to Spearman and Kendall are often ...
Philip L.H. Yu, K.F. Lam, Mayer Alvo
doaj   +1 more source

Convex Rank Tests and Semigraphoids [PDF]

open access: yes, 2007
Convex rank tests are partitions of the symmetric group which have desirable geometric properties. The statistical tests defined by such partitions involve counting all permutations in the equivalence classes. Each class consists of the linear extensions
Anne Shiu   +10 more
core   +6 more sources

Identifying and Evaluating Smart City Marketing Parameters (Case study: Tabriz)

open access: yesInternational Journal of Innovation in Marketing Elements, 2022
The main goal of this article is to investigate, identify, and rank the factors that influence the development of a sustainable smart city in Tabriz.
Paria Samadi-Parviznejad, Zahra Soltani
doaj   +1 more source

Rank tests [PDF]

open access: yesEkonomski Signali, 2017
Rank tests are the most important methods of nonparametric statistics. In the introductory part, there are discussions of parametric and nonparametric metods and as a result of those discussions it is established that the rank tests are one of the most ...
Timotijević Marjana
doaj  

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