I have disparate data from the same set of samples. Can I tell R or R Commander that certain columns in an xcel file are means/SDs w/o using raw data?

I have data concerning fruit size, color, mass, soluble solids, and some other phtyochemical properties. Samples are sorted by Year of Harvest, Date of Harvest, Species, and Location. The...

29 April 2016 3,612 5 View