[R] help with repeated values

I have a huge college dataset and I want to be able to find which colleges appear more than once in the dataset. How would I go about doing this? The variable college is a factor. If I just do table(college) it is impossible to find where there are repetitions. Any help would be greatly apprecia

[R] help

How would I verify that one variable is the summation of two other variables? Thank you! [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

[R] help

Hello there, How would I go about creating a function that will read a vector containing names of variables and then will output tables of proportions for all the categorical variables and summary statistics appropriate for all quantitative variables for all variables read by the function. Tha