is.ordered()R语言中的函数用于检查传递的因子是否为有序因子。 用法: is.ordered(factor) 参数:factor:检查因子 范例1: # Creating a vector x<-c("female", "male", "male", "female") # Converting vector into factor gender <- factor(x) # Using is.ordered() Function # to check if a ...
Using the theory of reflection groups, reflection ordering (a generalization of functions decreasing in transposition) is defined. Reflection ordering is closely related to G-majorization (a point x G-majorizes a point y if y is an element of the convex hull of the G-orbit of x) and G-...
simple order alternativessimultaneous test proceduresGiven k=rt normal populations with a common but unknown variance consisting of t treatments applied to r different groups of units, and supposing that in each group the means are monoto-nically non-decreasing (or non-increasing), then the ...
In order to improve the public transport of Paris, the French capital authorities have decided the implementation of a new tramway line which itinerary wil... A Torday,G Funes 被引量: 61发表: 2007年 Crucial role of nonspecific interactions in amyloid nucleation. Protein oligomers have been impli...
Predicting the properties of a material from the arrangement of its atoms is a fundamental goal in materials science. While machine learning has emerged in recent years as a new paradigm to provide rapid predictions of materials properties, their practical utility is limited by the scarcity of high...
Background: Esophageal squamous cell carcinoma (ESCC), one of the most aggressive cancers, is endemic in Sub-Saharan Africa, constituting a major health burden. It has the most divergence in cancer incidence globally, with high prevalence reported in East Asia, Southern Europe, and in East and...
they likely share an overarching function to recruit others41,50. Hence, for simplicity, in this study, we do not distinguish between different call variants but use a simplified classification whereby all hoos are classified as “hoo”, all screams as “scream”, and so on. This approach wil...
In particular, the logit of each cumulative probability is assumed to be a linear function of the covariates with regression coefficients that remain constant across response categories. The ordered logit model (zi) can be defined as in Eq. (1) [47](1)zi=βXi+εiwhere β represents a ...
Cationic Ordering in Hexagonal Perovskite Derivatives: 12 R-Ordered Polytype Oxides, Ba12Ca3Mo3Mn6O36 and Ba12In3Mn9O34.5. Raveau, “Cationic ordering in hexagonal perovskite derivatives: 12 R-ordered polytype oxides, Ba12Ca3Mo3Mn6O36 and Ba12In3Mn9O34.5,” Solid State ... N Creon,C...
The reaction progress can be monitored through understanding the changes in mass gain and gel fraction of the sulfonated product as a function of time (Fig.1c). The SEBS118 polymer steadily increases its mass with longer reaction times, reaching a plateau after approximately 4 h of reaction ...