You at least have to provide a subset of 'ss09' so we can see what the original data looks like. I have not had any problems with decimals in using sqldf.
> x <- as.data.frame(matrix(runif(100)*100, 10)) > x$key <- sample(1:3, 10, TRUE) > require(sqldf) > xsum <- sqldf(' + select key, sum(V1 * V2) / sum(V3) + from x + group by key + ') > > > xsum key sum(V1 * V2) / sum(V3) 1 1 19.38166 2 2 17.40503 3 3 71.48818 > dput(xsum) structure(list(key = 1:3, `sum(V1 * V2) / sum(V3)` = c(19.3816573628268, 17.4050302312273, 71.4881812227571)), .Names = c("key", "sum(V1 * V2) / sum(V3)" ), row.names = c(NA, 3L), class = "data.frame") > On Wed, Apr 13, 2011 at 11:10 AM, Rachel Licata <rach...@kff.org> wrote: > Hello, > > When I am writing in sqldf or RSQLite I lose the decimals in my matrix. > The only way I can get decimals is by multiplying by 1.00000, etc. I > have tried manipulating the options, but it is only effective once I > multiply by 1.0000. > > I appreciate any suggestions! > > Thanks! > > Example: > > z <- sqldf ("select ST, > SUM(AGEP*PWGTP)*1.000000000/SUM(PWGTP)*1.00000000000000 as wgtage from > ss09 group by ST") > > z shouldn't be whole numbers. > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? ______________________________________________ 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.