- signed rank sum test
- 符号秩和检验
Medical Chinese dictionary (湘雅医学词典). 2013.
signed rank sum test
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Wilcoxon rank sum test signed rank test — Wil·cox·on rank sum test, signed rank test (wil kokґsən) [Frank Wilcoxon, American chemist and statistician, 1892–1962] see rank sum test and signed rank test, under test … Medical dictionary
Wilcoxon signed-rank test — The Wilcoxon signed rank test is a non parametric alternative to the paired Student s t test for the case of two related samples or repeated measurements on a single sample. The test is named for Frank Wilcoxon (1892 ndash;1965) who, in a single… … Wikipedia
Wilcoxon Test — The Wilcoxon test, which refers to either the Rank Sum test or the Signed Rank test, is a nonparametric test that compares two paired groups. The test essentially calculates the difference between each set of pairs and analyzes these differences … Investment dictionary
Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of … Wikipedia
Logrank test — In statistics, the logrank test is a hypothesis test to compare the survival distributions of two samples. It is a nonparametric test and appropriate to use when the data are right skewed and censored (technically, the censoring must be non… … Wikipedia
nonparametric test — a statistical test using nonparametric statistics, such as the rank sum test or signed rank test; nonparametric tests are often less powerful than parametric tests but are valid in cases where parametric tests are not … Medical dictionary
Pearson's chi-squared test — (χ2) is the best known of several chi squared tests – statistical procedures whose results are evaluated by reference to the chi squared distribution. Its properties were first investigated by Karl Pearson in 1900.[1] In contexts where it is… … Wikipedia
Chi-squared test — Chi square test is often shorthand for Pearson s chi square test. A chi square test, also referred to as chi squared test or χ2 test, is any statistical hypothesis test in which the sampling distribution of the test statistic is a chi square… … Wikipedia
Mann–Whitney U — In statistics, the Mann–Whitney U test (also called the Mann–Whitney–Wilcoxon (MWW) or Wilcoxon rank sum test) is a non parametric statistical hypothesis test for assessing whether one of two samples of independent observations tends to have… … Wikipedia
Mann-Whitney U — In statistics, the Mann Whitney U test (also called the Mann Whitney Wilcoxon (MWW), Wilcoxon rank sum test, or Wilcoxon Mann Whitney test) is a non parametric test for assessing whether two samples of observations come from the same distribution … Wikipedia
Ranking — A ranking is a relationship between a set of items such that, for any two items, the first is either ranked higher than , ranked lower than or ranked equal to the second.In mathematics, this is known as a ml|Strict weak ordering|Total… … Wikipedia
