what is the covariance matrix for an environmental test example what would it mean to estimate the covariance matrix in a chemical analysis? what kind of censoring is a chemical analysis? why do censored data usually increase censoring range which model is useful for multinormally distributed data analysis? what is multinormal censoring how can i estimate the covariance matrix what is an example of a censored analysis what is the definition of censored data for testing? why is it useful to find the covariance matrix of chemical compounds how to determine censoring limits for a chemical analysis why is the coefficient of censoring useful how to calculate the covariance matrix what is the practical solution for multinormally distributed sampling how to measure the range of censoring limits for compounds in a censored data set what is the purpose of the covariance matrix what is the use of a censoring matrix in a chemical analysis how to find the covariance matrix of a sample which is the best method to estimate the variance of a covariance matrix? how do i estimate the variance on a multivariate matrix? how is this used to make a logistic model?