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...dev, but when I run this test (see next), it fails: def test_link_concept #create a new concept new_concept = Concept.new new_concept.name = "concept a lier" new_concept.description = "ce concept va etre lie" new_concept.save #give it a variation new_variation = Variation.new new_variation.name_fr = "nom de la variation" new_variation.description = "name of the variation" new_variation.concept_id = new_concept.id new_variation.save #link it to the client get :link_concept_to_client, {:concept_id => ne...

...ious posts and I saw similar questions have been answered; they didn't help me solve my problem though. I am using R version 2.13.0 (2011-04-13), Platform: x86_64-pc-mingw32/x64 (64-bit) and I am having difficulties renaming variables. I tried with this command: names (oldvariable) <- 'new_variable' and now when I type in oldvariable the new name pops out in form: [1] "new_variable" BUT when I try typing in new_variable I get the message Error: object 'new_variable' not found I also tried with fix(mydata) command, but editor basically opens up empty, so I don'...

...) >0) # SAME Essentially, I would like to preserve all values of an id with more than one row. Any ideas are much appreciated. In addition, is there an easy way to create a new variable based on the number of instances of each id (in the long dataset)? e.g. id time x NEW_VARIABLE 1 1 0 -0.03921791 1 2 2 0 -1.07869262 1 3 2 5 1.73442621 2 4 3 0 -0.64356207 1 5 3 2 1.19691074 2 6 3 10 0.62035225 3 Thank you, AC [[alternative HTML version deleted]]

...glm(), from within a function: formula = as.formula(paste(depvarname, "~", rhs), env=globalenv()) return (glm(formula, family=binomial(link=logit))) I have now come back to the formula and want to add some more variables to it. So I do: expand.model.frame(formulaname, ~ new_variable) but I get the response Error in eval(expr, envir, enclos) : Object "foreignaid.dummy" not found where foreignaid.dummy is my dependent variable. However, foreignaid.dummy is clearly visible in the global environment: > ls(pat="foreignaid.dummy", envir=globalenv()) [...

The subject of your email is missing. Perhaps you need to read the Posting Guide (again?) about attachments. Embedding your example directly in the body of the email is generally more accessible in archives than attaching it. -- Sent from my phone. Please excuse my brevity. On April 27, 2016 1:14:17 PM GMT+01:00, G.Maubach at gmx.de wrote: >Hi All, > >I am addressing this post to all

Hi All, I am addressing this post to all who are new to R. When learing R in the last weeks I took some notes for myself to have code snippets ready for the data analysis process. I put these snippets together as a script template for future use. Almost all of the given command prototypes are tested. The template script contains snippets for best practices and leaves out the commands that