similar to: variance

I wanna display some data which there are subsets of a dataframe called "don" but there are errors like this > L=as.numeric(levels(factor(don$Id_Cara))) > for(i in L){ + donC(i)=subset(don, Id_Cara == i, select = c( Id_TrT1, Id_Geno, Id_Rep, Val_O)) + donC(i) + } Erreur dans donC(i) = subset(don, Id_Cara == i, select = c(Id_TrT1, Id_Geno, : impossible de trouver la

hello, are there functions to detecte outlying observations in samples? thanks. ___________________________________________________________________________ [[alternative HTML version deleted]]

Hello, I wanna know how to export a data frame to Excel. For example I wanna export this data frame > M[1:5,] var1 var2 distance 1 41 42 0.2 2 41 43 0.304347826086957 3 41 46 0.19047619047619 4 41 47 0.155555555555556 5 41 48 0.209302325581395 I don't know how to use write.table or write.csv to do this. Can you help me please? Thanks.

hello, I wanna know how to create a list of list if it's possible and if it isn't possible how to do without. thanks. _____________________________________________________________________________ [[alternative HTML version deleted]]

Dear R users, I have 32 observations in data x. After sorting this, I want to compute means and variances of 3 groups divided by "nr". Actually, the number of groups is flexible. Any suggestion will be greatly appreciated. Kathryn Lord --------------------------------------------------------------------------- x=rnorm(32) y=sort(x) nr=matrix(c(12,11,10,10,10,11),2,3) > nr

hello, I wanna print something like this Class Levels Values Id_TrT1 1 2 Id_Geno 7 64208 64209 64210 64211 64212 64213 64214 Id_Rep 2 12 Is it possible? I have some problem I think taht I should use data.frame with matrix but I'm not sure and perhaps it's false

hello, If I wanna export data.frame from R to html have you got some ideas to do this? ___________________________________________________________________________ [[alternative HTML version deleted]]

hello, I wanna know if it's possible to write functions without argument in order to understand that I write down an example f <- function(){ for (i in 1:length(C[[1]]) { print(10*C[[1]][i]) } } I know that there are errors in this syntax _____________________________________________________________________________ [[alternative HTML version deleted]]

hello, I wanna use some mathematics formula and to do this I tried several way in paricular using strsplit textconnection scan setdiff but I think that it's a lil hard the data frame that I'm working on is as follow > donCalcara2 Id_Cara Form_C 1 743

ok, I have problems with write function > F Id_TrT1 Id_Geno Id_Rep Val_O 3 0 55094 1 85 9 0 55096 1 87 15 0 55098 1 92 21 0 55079 1 76 27 0 55095 1 92 33 0 55099 1 98 39 0 55092 1 92 45 0 55090 1 72 51 0 55101 1 93 57 0 55106 1 90

Dear R-user Suppose I have the following data y=c(2,1,5,8,11,3,1,7,50,21,33,7,60) x=data.frame(y) for(i in 4:nrow(x)) x[i,] =var(x[i-3:i-1,]) I'm trying to get a new variable with the variance of the 3 previous values (just an example) and with NA in the three first positions. I know that my for() is wrong but I'm not able to find my error. Any idea? Thanks, Marlene.

Hello, I write us because I wanna know if it's possible to don't display "read item" when I execute a scan(textConnection()) thanks _____________________________________________________________________________ [[alternative HTML version deleted]]

Hello, in using vector() we can create a vector and fill in like this v <- vector() v <- c(v,2) v <- c(v,c(5,10,23)) but I wanna know if it's possible to do the same with the list I don't fond how? Can you help me? Thanks. ___________________________________________________________________________ [[alternative HTML version deleted]]

hello, I installed the R2HTML package but when I wanna execute the HTML.data.frame function I can't and I don't know why can you help me please? thanks. _____________________________________________________________________________ [[alternative HTML version deleted]]

Hi all R users Ive got a file that contains diffrent settings in the manor of: setting1="value1" setting2="value2" setting3="value3" setting4="value4" . . . What I want to do is open the file and change the value of a specific setting like wanna change setting4="value4" -> setting4="value5" and then save the file again.

hi, in using glm function is it possible to extract residuals and predict values ? ___________________________________________________________________________ [[alternative HTML version deleted]]

hello, I don't understand what's happen just before the textConnection function runs good but now it doesn't run > Line[1] [1] "if C325=. then C743=(C152/C103)*100| else C743=(C152/C325)*100" > textConnection(Line[1]) Erreur dans textConnection(Line[1]) : toutes les connexions sont utilisées why R display that?

I have a data set with 50 different x values and 5 values for the sampling variance; each of the 5 sampling variances corresponds to 10 particular x values. I am trying to fit a mixed effect linear model and I'm not sure about the syntax for specifying the fixed variance structure. In Pinheiro's book my situation appears to be similar to the example used for varIdent, where there is a

Dear all a couple of months ago i've found threads regard test that verify AnOVa assumption on homogeneity of variances. Prof. Ripley advice LDA / QDA procedures, many books (and many proprietary programs) advice Hartley's F_max, Cochran's minimum/maximum variance ratio (only balanced experiments), K^2 Bartlett's test, Levene's test. Morton B. Brown and Alan B. Forsythe in a

Hi all, I have major heterogeneity in variances across labs (100-fold). There is no apparent variance heterogeneity across y-hat. By using lme4 in the following way, am I accounting for the variance differences in labs?: lmer(y ~ fixed1 + covariates + (fixed1|labs)) I'm not sure that it is - I think it is only allowing the means (slopes [conditional means] & intercepts) to differ