Re: [R] Merging two data frame with different lengths

Hi see in line > -Original Message- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Abraham > Mathew > Sent: Friday, June 10, 2016 6:15 PM > To: r-help@r-project.org > Subject: [R] Merging two data frame with different lengths > > S

[R] Merging two data frame with different lengths

So I have two data frames. The first one is a reccomendation data frame and the second is a melted list with a pairing of OpportunityId's and ProductId's. There are multiple product id's per an opportunty id. What I want to do is merge based on ProductId so that I can add the OpportunityId to the