search for: mizanur

Displaying 3 results from an estimated 3 matches for "mizanur".

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2008 Jun 26
2
constructing arbitrary (positive definite) covariance matrix
...40710 2.203712 [5,] 0.2698180 2.075759 2.869573 > > ### Simualte multivarite gaussin data ( gives Error) > Sigma<-COV(p = 3, sd = 2, r= -0.6) > mu<-1:3 > mvrnorm(5, mu=mu, Sigma=Sigma) Error in mvrnorm(5, mu = mu, Sigma = Sigma) : 'Sigma' is not positive definite -- Mizanur Khondoker Division of Pathway Medicine (DPM) The University of Edinburgh Medical School The Chancellor's Building 49 Little France Crescent Edinburgh EH16 4SB United Kingdom Tel: +44 (0) 131 242 6287 Fax: +44 (0) 131 242 6244 http://www.pathwaymedicine.ed.ac.uk/
2008 Oct 14
1
How to checkpoint-restart R jobs in batch mode?
...rid engine. However, I am looking for a solution when this kind of facility is not available on the cluster, for example , by modifying the code so that the job can checkpoint and restart by itself. Does anyone have any experience or idea of doing so? Any help would be greatly appreciated. -- Mizanur Khondoker Division of Pathway Medicine (DPM) The University of Edinburgh Medical School The Chancellor's Building 49 Little France Crescent Edinburgh EH16 4SB United Kingdom Tel: +44 (0) 131 242 6287 Fax: +44 (0) 131 242 6244 http://www.pathwaymedicine.ed.ac.uk/ [[alternative HTML version d...
2009 Jan 06
0
Singularity of lda function in MASS package
..._GB.UTF-8;LC_MONETARY=C;LC_MESSAGES=en_GB.UTF-8;LC_PAPER=en_GB.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_GB.UTF-8;LC_IDENTIFICATION=C attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] MASS_7.2-45 > -- Mizanur Khondoker Division of Pathway Medicine (DPM) The University of Edinburgh Medical School The Chancellor's Building 49 Little France Crescent Edinburgh EH16 4SB United Kingdom Tel: +44 (0) 131 242 6287 Fax: +44 (0) 131 242 6244 http://homepages.ed.ac.uk/mkhondok -- Mizanur Khondoker Division...