mean()R语言中的函数用于计算作为参数传递给它的数字向量元素的算术平均值。 用法: mean(x, na.rm) 参数:x:数字向量名称:忽略NA 值的布尔值 范例1: # R program to calculate # Arithmetic mean of a vector # Creating a numeric vector x1 <- c(1, 2, 3, 4, 5, 6) x2 <-c(1.2, 2.3, ...
(redirected from Mean vector)Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia. mean intend: What do you mean?; signify, indicate, imply; malicious: a mean bully Not to be confused with: mien –a person’s look or bearing: a woman of regal mien Abused, Confused, & ...
In this paper we propose a general methodology, based on multiple testing, for testing that the mean of a Gaussian vector in Rnbelongs to a convex set. We show that the test achieves its nominal level, and characterize a class of vectors over which the tests achieve a prescribed power. In...
This paper considers the problems of estimating a mean vector [mu] under constraint [mu]'[Sigma]-1[mu] = 1 or [Sigma]-1/2[mu] = c and derives the best equivariant estimators under the loss (a - [mu])' [Sigma]-1(a - [mu]), which dominate the MLE's uniformly. The results ...
M = mean(A) returns the mean of the elements of A along the first array dimension whose size does not equal 1. If A is a vector, then mean(A) returns the mean of the elements. If A is a matrix, then mean(A) returns a row vector containing the mean of each column. If A is...
Mean of ff vectorxtrim range
We study the problem of estimating the mean of a random vector $X$ given a sample of $N$ independent, identically distributed points. We introduce a new estimator that achieves a purely sub-Gaussian performance under the only condition that the second moment of $X$ exists. The estimator is...
Minimax Estimation of a Normal Mean Vector for Arbitrary Quadratic Loss and Unknown Covariance Matrix.Minimax techniqueWishart matricesMean... J Berger,ME Bock,LD Brown,... 被引量: 0发表: 1976年 Bayes minimax estimation of the multivariate normal mean vector for the case of common unknown varian...
awhere 0 is a vector of n parameters to be estimated, e is a normally distributed experimental error with meanzero and constant variance cr. Then, 0 can be estimated using the least square method as: 那里0是n参量传染媒介将估计的, e是一个通常分布的实验性错误与meanzero和恒定的变化哥斯达黎...
Mean shift algorithm is a statistics iterative algorithm which is widely used, its increment (namely mean shift vector) of iterative point in each iteration step changes adaptively. This paper presents an extensional mean shift vector, and proves convergence of mean shift algorithm which using the ...