search for: macthing

Hello :) I have two data frames, one has properties taken on a piece by piece basis and the other has performance on a lot by lot basis. I wish to combine these two data frames but the problem is that each lot has multiple pieces and hence i need to take a mean of the properties of multiple pieces and match it to the row having data about the lot. I was wondering if there is a simple commmand,

...ue, but I thought I might be able to get some help here to rectify my problems. I apologize if this is too far off topic for this list. Here is the setup: It is a basic workgroup network, no domain, with no PDC or anything of that sort. Authentication for the shares is done simply by having a macthing username/password on a win2000Pro workstation. The majority of shares on the server have the SUID and SGID set to a certain user for simplicity and to resolve the Microsoft Office file locking issues. However, each user's My Documents directory is a server share that is accessed automatically b...

I R-helpers #I have a data panel of thousands of firms, by year and industry and #one dummy variable that separates the firms in two categories: 1 if the firm have an auditor; 0 if not #and another variable the represents the firm dimension (total assets in thousand of euros) #I need to create two separated samples with the same number os firms where #one firm in the first have a corresponding

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