I have a small data set (see attachment valve.txt or valve.csv), in which there are a few facors: Type, ValveBody,Manufacturer and a few numeric sizes: FlangeSize, Port.Size, Pressure and Cost.
I would like to find a statistics model that shows how Cost is related to these factors and numeric sizes. It seems to me that it is hard to find the relationship between Cost and a few factors using regression models. Could you please direct me on how to approach it? Thanks, -james ______________________________________________ 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.