simone gabbriellini wrote: > Dear List, > I have this little problem: > > I work with adiacency matrix like: > > data me you > me 0 1 > you 1 0 > > I store those matrix in a mysql database > > actually I use RMySQL with: > > res<-dbSendQuery(connection, "SELECT * FROM table") > myDataFrame<-fetch(res) > > to retrive the table, and I have > > data me you > 1 io 0 1 > 2 tu 1 0 > > I would like the first column to be seen not as data, but as label, > like: > > data me you > io 0 1 > tu 1 0 > > should I change something in the table structure in mysql, or should I > tell R something particular like "the first column is not data"? If so, > how? > > hope I have expressed well my intent > thanx in advance > > simone >
Hi, In this case, since you are extracting all the rows you could simply try > dbReadTable(connection, "table", row.names = 1) See help(dbReadTable) for more details. Hope this helps, -- David ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
