Thank you to Jean Adams, Julia Reid and Joseph Verducci for their answers to my question. Joseph's did not address my question of using the entries in the matrix as plotting symbols, but with Jean's
Good morning, A professor of mine is asking the question below. Can someone clarify why the p-value component is two-dimensional? Thanks Carlos Carlos Alzola calzola@cox.net (703) 242-6747 --Original
Dear all, Excuse the somewhat off-topic question. I need to do sample size calculations for a clinical trial with 4-5 arms. I've seen lots of calculations and examples for comparing two groups. Are t
If you are reading from a SAS dataset and the original variables had formats you can use sas.get in the Hmisc library to preserve the value labels. Carlos Carlos Alzola calzola@cox.net (703) 242-6747
Your issue is that the columns of x are not integer. If you look at the data frame in the object explorer and set the precision to 12 or more decimals you will see that the sorting is indeed correct.
Dear list members, I am trying to get information on how to fit a linear regression with constrained parameters. Specifically, I have 8 predictors , their coeffiecients should all be non-negative and
I would like to acknowledge the answers I received from Tom Filloon, Mike Cheung and Berwyn Turlach. Berwyn's response was exactly what I needed. Use solve.QP from the quadprog package in R. S-Plus h
It would help to know how you are intending to use these subsets. Many S-Plus functions provide a subset argument that allow you perform the analyses on only the subsets you are interested in. If thi