Search Archives

So helpful, Arun -- Thank you! Asaf -- View this message in context: http://r.789695.n4.nabble.com/Data-type-in-a-data-frame-tp4647161p4647171.html Sent from the R help mailing list archive at Nabble.com.

Thank you all; David -- this is, in fact, exactly what I need! Asaf -- View this message in context: http://r.789695.n4.nabble.com/Counting-duplicates-in-a-dataframe-tp4646954p4647075.html Sent from the R help mailing list archive at...

Matthias, This is so very helpful! Thank you so much for exposing me to this. Seems like exactly what I was looking for. Best regards, Asaf -- View this message in context: http://r.789695.n4.nabble.com/Two-way-Random...

Hi, I wonder if there is a mac equivalent to ctrl+r shortcut for running a script line.. (I am using MAC OS X 10.7.2). I saw this post http://r.789695.n4.nabble.com/Shortcut-to-run...

Hi, I'm using the uniroot function, and would like to detect an error which occurs, for instance, when the values at endpoints are not of opposite signs. For example: uniroot( function(x) x^2+1, lower=1, upper=2...

Hi there, I am trying to use predict() with an object returned by cv.glmnet(), and get the following error: no applicable method for 'predict' applied to an object of class "cv.glmnet" What's wrong? my code: x=matrix...

Hi all, How does R know to regard a variable as a factor and not a character? For example, consider the following table: Observation Gender Dosage Alertness 1 m a 8 2 m a 12 3 m a 13 4...

Hello, I am looking at a two-way ANOVA dataset, and would like to count the rows in the dataframe with the same level of the first factor ("Gender") and the second factor ("Dosage"). In other words, I am interested...

Hi there, I am looking to fit a two-way random effects model to an *unblalanced* layout, y_ijk = mu + a_i + b_j + eps_ijk, i=1,...,R, j=1,...,C, k=1,...,K_ij. I am interested first...