search for: frederiqu

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FreeBSD bug grants local root access (FreeBSD 6.x)
2009 Sep 15
3
FreeBSD bug grants local root access (FreeBSD 6.x)
Hi, Any info on this subject on http://www.theregister.co.uk/2009/09/14/freebsd_security_bug/ -- Frederique
table() reading problem
2011 Mar 16
4
table() reading problem
...ope anyone has an idea of using the table function without this inconvenience. I thought about writing a counter myself, but that seems complicated. Because I have to examine very large examples later on, I don't want to slow the calculations down if possible. Thanks for your help in advance. Frederique -- View this message in context: http://r.789695.n4.nabble.com/table-reading-problem-tp3381174p3381174.html Sent from the R help mailing list archive at Nabble.com.
(no subject)
2003 Dec 06
1
(no subject)
...stogram with R.But I have a problem: I cant' change the frequencies in percent and I can't change the number of classes or intervals of my variable.Can you help me please,in french if it's possible? My mail is : fhenge at ulp.u-strasbg.fr Thanks a lot. HENGE FREDERIQUE
table() result issue
2011 Mar 16
1
table() result issue
...nyone has an idea of using the table function without this inconvenience. I thought about writing a counter myself, but that seems complicated. Because I have to examine very large examples later on, I don't want to slow the calculations down if possible. Thanks for your help in advance. Frederique [[alternative HTML version deleted]]
get information out of table() result
2011 Mar 16
1
get information out of table() result
...ope anyone has an idea of using the table function without this inconvenience. I thought about writing a counter myself, but that seems complicated. Because I have to examine very large examples later on, I don't want to slow the calculations down if possible. Thanks for your help in advance. Frederique -- View this message in context: http://r.789695.n4.nabble.com/get-information-out-of-table-result-tp3381445p3381445.html Sent from the R help mailing list archive at Nabble.com.
covariate selection in cox model (counting process)
2004 Jul 26
5
covariate selection in cox model (counting process)
...umber of observations? I found several definitions: AIC= -2 loglik(b) + 2.k Schwartz Bayesian information criteria: SBIC= -2 loglik(b) + k ln(n) Frédérique Letué (author of PhD thesis "COX MODEL: ESTIMATION VIA MODEL SELECTION AND BIVARIATE SHOCK MODEL", http://www-lmc.imag.fr/lmc-sms/Frederique.Letue/These3.ps) suggested me AIC= - loglik(b) + 2.k/n BIC= - loglik(b) + 2.ln(n).k/n, with other possible values for parameter "2" in this case (see her thesis p.100, but this section is in French) All these do not tell *what to take for n*. There are 3 main possibilities: a) Taking...
smooth non cumulative baseline hazard in Cox model
2004 Jul 04
2
smooth non cumulative baseline hazard in Cox model
Hi everyone. There's been several threads on baseline hazard in Cox model but I think they were all on cumulative baseline hazard, for instance http://tolstoy.newcastle.edu.au/R/help/01a/0464.html http://tolstoy.newcastle.edu.au/R/help/01a/0436.html "basehaz" in package survival seems to do a cumulative hazard. extract from the basehaz function: sfit <- survfit(fit) H