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I'm new to this and struggling away with ggplot. I need to plot some line graphs for about 4 series. I have the values to plot and also the value of the standard error of the value. Is it possible to plot the standard error bars when the value are already calculated as opposed to letting R do the analysis to calculate the SE bars? Any simple example would be most appreciated. Thanks J

Hi there everyone! So I'm a student in college, taking a very basic Statistics course. We're using R for most of our assignments. I've hit a pretty big wall here. I'm attempting to create a heat map of the entire united states which corresponds to a set of percentages I have for each state. My teacher suggested that I simply create a color palette with RColorBrewer that is in the

The follwing is a code snippet from a power simulation program that I'm using: ? estbeta<-fixef(fitmodel) ?sdebeta<-sqrt(diag(vcov(fitmodel))) ? for(l in 1:betasize) ? {? ?? cibeta<-estbeta[l]-sgnbeta[l]*z1score*sdebeta[l] ??? if(beta[l]*cibeta>0)????????????? powaprox[[l]]<-powaprox[[l]]+1 ????? sdepower[l,iter]<-as.numeric(sdebeta[l]) ? } ? Estbeta recovers the fixed