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...sired resulst: 1 no 7 2 yes 5 3 Unknown 4 Sample data id status week 1 no 1 1 no 2 1 no 3 1 no 4 1 no 5 1 no 6 1 no 7 2 no 1 2 no 2 2 no 3 2 no 4 2 yes 5 2 yes 6 2 na 7 2 na 8 2 na 9 3 no 1 3 no 2 3 no 3 3 Unknown 4 3 unknown 5 3 na 6 3 na 7 3 na 8 Any suggestion is much appreciated! Thank you. Bibek

Hello R usuer, The code given below superimposes a pie diagram on another plot containing some points. However, I would like to center the pie diagram on the xy location on the plot, but not on the center. is there any way to re-center pic diagram. Any suggestion or better alternative are highly appreciated. Thank you in advance for your help. Regards, Bibke library(visualFields) library(car)

...peated subject id, I got larger data set which is not accurate. I would like to connect twi data sets by id and response in such a way that data are connected by same id and response type and if the same subject has less data point in one data set, then produce NA. Sample data sets is attached. Bibek

Hello R help, I have a question similar to what is posted by someone before. my problem is that Instead of last assessment, I want to choose last two. I have a data set with several time assessments for each participant. I want to select the last assessment for each participant. My dataset looks like this: ID week outcome 1 2 14 1 4 28 1 6 42 4 2 14 4 6 46 4 9 64 4 9

HI, You can do this in many ways: dat1<-read.table(text=" med1,med2,med3???? ?1,0,1?????? 0,1,1??? 2,0,0 ",sep=",",header=TRUE)?? #1st method library(reshape) dat2<-melt(dat1) dat3<-aggregate(dat2$value,by=list(dat2$variable),sum) ?colnames(dat3)<-c("name","sum(n11)") ?dat3 #? name sum(n11) #1 med1??????? 3 #2 med2??????? 1 #3 med3??????? 2

...es for treatment group. ## Comparing GRoup B to Group C l <- cbind(0, 1,-1, 0,0,0,0,0,0,0) wald.test(b = coef(fit), Sigma = vcov(fit), L =1 Error Message Error in wald.test(b = coef(), sigma = vcov(), Terms = 2:3) : unused argument(s) (sigma = vcov()) Thanks in advance for your suggestion, Bibek