英文: 14As we explain in Chapter 8, standard deviation and variance are the correct measures of risk if the returns are normally distributed.
英文: 5 Analyze and proactively communicate monthly financial performance by preparing variance reports, monthly package and giving reasonable explanation on the variances.
英文: A deep exploration of Analysis of Variance by Items (ANOVA by items) had been made in this paper, which is very popular in recent years both at home and abroad.
英文: A discrete probability distribution named as distribution of exponential difference is presented in this paper, formula to calculate the most probable success number, mathematical expectation and Variance are derived for this distribution, relationship be
英文: A new online coupled algorithm for PCA and MCA which can simultaneously extract the eigenvectors and eigenvalues of the covariance matrix with coupled iterations is obtained.