Re: [Rd] Bug in model.matrix.default for higher-order interaction encoding when specific model terms are missing

Hello Tyler, Thank you for searching for, and finding, the basic description of the behavior of R in this matter. I think your example is in agreement with the book. But let me first note the following. You write: "F_j refers to a factor (variable) in a model and not a categorical factor". Howev

[Rd] Memory address of character datatype

Hi,   To get the memory address of where the value of variable "x" (of datatype "numeric") is stored one does the following in R (in 32 bit):         library(pryr)       x <- 1024       addr <- as.numeric(address(x)) + 24    # 24 is needed to jump the variable info and point to the data itself (i

Re: [Rd] Debate: Shall some of Microsoft R Open Code be ported to mainstream R?

> Iñaki Úcar > on Tue, 31 Oct 2017 14:55:44 +0100 writes: > 2017-10-31 14:34 GMT+01:00 Juan Telleria > : >> So as long as I can read, OpenBlas, for Windows, might be >> a worth considering option: http://www.openblas.net >> >> But Intel MKL also seems to be fr