similar to: two easy questions...

This is the second attempt at sending this. Apologies for any duplicates. I've got Winbind up and running to authenticate our users against our AD and to save kerberos tickets. I have used the "winbind refresh tickets = yes" setting expecting this to renew these kerberos tickets before they expire. This does not appear to work. Gnome will pop up a dialog box saying that the

Hey, I need some help. I want to obtain a cross validation for a regression model (binary response) but I got an error with CVbinary. Well I did this: fit <- lm(resp ~ PC1 + PC2 + PC3 + PC4 + PC5 + PC6 + PC7 + PC8 + PC9+PC10+PC11+PC12+PC13+PC14+PC15+PC16+PC17+PC18+PC19+PC20+PC21+PC22+PC23+PC24+PC25+PC26+PC27+PC28, data = dexp.cp, family=binomial()) CVbinary(fit) Error in sample(nfolds, m,

Hi, I saved as a matrix a summary of a PCA analysis and I've used barplot to plot the PCA variances. I would like to print on the same graphic the values of my matrix m1 - in other words the summary of my PCA analysis. I can do it very painstaking with text for each row and make sure that everything aligns and so on but i wonder if there is a better method than that. My summary follows:

hi, I am trying to label data points within a scatter plot using thigmophobe. While the data set consists of about 3000 points I only would like to label a subset of these points. I read the x and y coordinates in from a txt file and define them as: MLPM1<-log2(Ratio.M.L.G2.PM) HLG2<-log2(Ratio.H.L..G2.PM) the names and a corresponding ID are read in from the same txt file as:

Greetings, I am new to R and am hoping to get some tips from experienced R-programmers. I have a dataset that I've read into R as a dataframe. There are 5 columns: Plot location,species name, a species number code (unique to each species name), abundance, and treatment. There are 272 plots in each treatment, but only the plots in which the species was recorded have an abundance value. For