search for: grade2

...urvreg output and it is not clear, for me, from ?survreg.objects how to. Here is an example of the codes that points out my problem: - data is stc1 - the factor is dichotomous with 'low' and 'high' categories slr <- Surv(stc1$ti_lr, stc1$ev_lr==1) mca <- coxph(slr~as.factor(grade2=='high'), data=stc1) mcb <- coxph(slr~as.factor(grade2), data=stc1) mwa <- survreg(slr~as.factor(grade2=='high'), data=stc1, dist='weibull', scale=0) mwb <- survreg(slr~as.factor(grade2), data=stc1, dist='weibull', scale=0) > summary(mca)$coef...

Thanks for sharing the questions and responses! Is it possible to appreciate how much the coefficients matter in one or the other model? Say, using Biau's example, using coxph, as.factor(grade2 == "high")TRUE gives hazard ratio 1.27 (rounded). As clinician I can grasp this HR as 27% relative increase. I can relate with other published results. With survreg the Weibull model gives a coefficient -0.4035245: is it feasible or meaningful to translate it to HR? Thanks in advance, V...

...urvreg output and it is not clear, for me, from ?survreg.objects how to. Here is an example of the codes that points out my problem: - data is stc1 - the factor is dichotomous with 'low' and 'high' categories slr <- Surv(stc1$ti_lr, stc1$ev_lr==1) mca <- coxph(slr~as.factor(grade2=='high'), data=stc1) mcb <- coxph(slr~as.factor(grade2), data=stc1) mwa <- survreg(slr~as.factor(grade2=='high'), data=stc1, dist='weibull', scale=0) mwb <- survreg(slr~as.factor(grade2), data=stc1, dist='weibull', scale=0) > summary(mca)$coef coef...

...olely on XP request (XP side >problem) of if this is a way Samba responds on a general "net use x: >/home" request (Samba side problem). > >> >> On my winbind log on Domain_A_PDC, I get the following :- >> >> legend:- >> uwcstu is domain_B >> grade2 is domain_B_user >> 10000 is gid of DomainB\Domain Users group on Domain_A_PDC. >> staff is domain A >> >> ----------------------------------------- >> >> [2004/11/05 19:10:16, 3] nsswitch/winbindd_user.c:winbindd_getpwnam(124) >> [29440]: getpwnam uwcstu...

Hello fellows, I would like to create a sequence for repeated numbers in a dataset. For example: ID <- c(1:20) grade <- c(4,4,4,5,5,7,7,7,7,8,8,8,9,9,9,9,9,10,10,10) Data: ID Grade 1 4 2 4 3 4 4 5 5 5 6 7 7 7 8 7 9 7 (...) I would like to create a variable "sequence": Data: ID Grade Sequence: 1 4 1 2 4 2 3 4 3 4 5

Hello, I have a dataframe (var_1, var_2, ..., var_n) and I would like to export summary statistics to Latex in the form of a table. I want specific summary statistics by crossing numerous variables 2x2 AT ONCE. In each cell I would like sometimes to have the median (Q1 - Q3), or frequency and proportion, etc. CrossTable, xtab, etc... do not allow for multiple 2 by 2 crosstabulation. The table

...this be done? Last, I'm not sure I want the abline to extend the entire region of the chart, but maybe say to the middle of the barplot. I would appreciate any thoughts on this. Any thoughts on code to improve the chart is also appreciated. Harold Windows XP ver 1.9 Grade1<-c(0,0,0,0) Grade2<-c(0,0,0,0) Grade3<-c(0,0,0,0) Grade4<-c(0,0,0,0) Grade5<-c(250,100,100,100) foobar<-cbind(Grade1,Grade2,Grade3,Grade4,Grade5) barplot(foobar,names=c("Grade 1", "Grade 2", "Grade 3", "Grade 4", "Grade 5"), col=c("blue",&quo...

...(and not attached): [1] grid_2.14.0 nlme_3.1-104 stats4_2.14.0 tools_2.14.0 I run this code: > install.packages("lme4") > library(lme4) > math07g4 <- sqlQuery(conn, "select ssid, ss_chg, campus2, district_id, pblack, pfreelnch, pmob FROM codemob0607ma WHERE grade2 = 4") > attach(math07g4) > fit07ma4 <- lmer(ss_chg ~ 1 + factor(campus2) + factor(district_id) + pblack + pfreelnch + pmob + (1 | campus2) + (1 | district_id), data=math07g4) And I get this: Error: cannot allocate vector of size 2.5 Gb In addition: Warning messages: 1: In model.m...

...tuadmin = root" in the student PDC's smbusers file. And I had to put "Administrator = root" in the staff's PDC's smbusers file to get the "net rpc trustdom list" to work. I did not have a uid=root you see. Now "net use x: /home" by the Dom B user (grade2 in this case) on the Domain_A_machine still does not work. The /var/log/samba/Dom_A_machine from the Domain_A_PDC will be sent separately as I don want to post it on the lists. The /var/log/samba/Domain_A_PDC from Domain_B_PDC will be sent to you too. My view on the logs ---------------------...