search for: an_germani

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2008 Apr 30
1
+ and - in RODBC : no longer considered factors
I have a large Sweave report that reads data from a database file. Some of the columns are 1-character strings containing only +, - or NA. An example for such a table is shown below, and can be downloaded for easier testing from http://www.menne-biomed.de/uni/test.zip (For security reasons, the file is zipped) table test hp hp1 + a - + library(RODBC) channel =
2009 Apr 14
1
Function call error in cph/survest (package Design)
Dear UseR, I do not know if this a problem with me, my data or cph/survest in package design. The example below works with a standard data set, but not with my data, but I cannot locate the problem. Note that I am using an older package of survival to avoid a problem with the newly renamed function in survival meeting Design. Dieter # First, check standard example to make sure library(Design)
2008 Dec 29
0
Serial Correlation Test for Short Time Series
Hello, Are there any R functions available for performing a serial correlation test for short time series (e.g, series having between 10-14 observations)? Many thanks! Isabella R. Ghement, Ph.D. Ghement Statistical Consulting Company 301-7031 Blundell Road, Richmond, B.C., Canada, V6Y 1J5 Tel: 604-767-1250 Fax: 604-270-3922 E-mail: isabella at ghement.ca Web: www.ghement.ca -----Original