search for: nameandconc

Displaying 1 result from an estimated 1 matches for "nameandconc".

2002 Jan 18
2
Replacing data.frame values
Hello, I have two data frames, NameAndConc.df and WhichOnes.df. NameAndConc.df has two columns, the first column is the names of some material, and the second column is the concentration of active ingredient. > NameAndConc.df name conc 1 material1 0.8 2 material2 0.5 3 material3 0.4 WhichOnes.df has two columns, each of whic...