Posts by Aníbal Deboni Neto • 31 points

• 3

  votes

  2

  answers

  71

  views

  Q: Calculate the product of an operation between two dataframes conditionally

  Suppose I have these two dataframes: set.seed(123) df1<-data.frame(rep=rep(1:4,each=360),parc=rep(1:40,each=36),trat=rep(sample(1:10),each=36),tree=rep(1:36,40),med=1,dap_prev=rnorm(1440, mean =…

  r

  asked 6 years, 12 months ago Aníbal Deboni Neto 31