What am I missing here? Cannot you just create the table from the data.frame and apply prop.table()to it?
--- Farrel Buchinsky <[EMAIL PROTECTED]> wrote: > When one has raw data it is easy to create a table > of one variable against > another and then calculate proportions > For example > a.nice.table<-table(a,b) > prop.table(a.nice.table,1) > > However, I looked at several papers and created a > data frame of the > aggregate data. That means I acually created a table > except it is a data > frame. The first column lists the name of the first > author and the year. > I cannot find how to convert the data frame to a > table so I can use great > functions such as prop.table and margin.table. > > Alas I tried, rowSums but it provides lousy output > without listing the names > of th papers. > I have thought of going through the reshape package > but I suspect that there > is an easier way to convert a data frame to a table. > Is there? > > -- > Farrel Buchinsky ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
