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Full_Name: Jon McAuliffe Version: 1.9.0 OS: Mac OS X 10.3.4 Submission from: (NULL) (64.166.16.252) a call like qbinom(0.3, 10, prob = 0, lower.tail = FALSE) hangs R. prob = 0 does not...
suppose i have an nx2 matrix A; call its column vectors x and y. the rows of A are grouped by a factor F. i want to fit one lowess curve (y vs. x) for each subset of rows corresponding...
hi, i grabbed http://www.r-project.org/bin/linux/redhat/6.x/i386/R-base-1.1.0-2.i386.rpm then ran [root at machine jon]# rpm -ivh R-base-1.1.0-2.i386.rpm R-base...
hello, i want to compute the top k eigenvalues+eigenvectors of a (large) real symmetric matrix. since it doesn't look like any top-level R function does this, i'll call LAPACK from a C shlib and then use...
Jon McAuliffe wrote: > > hi, > > i grabbed > > http://www.r-project.org/bin/linux/redhat/6.x/i386/R-base-1.1.0-2.i386.rpm > > then ran > > [root at machine jon]# rpm -ivh R-base-1.1.0-2.i386...
um, not to answer my own question, but i had made /usr/lib/R a symlink to a big partition prior to the install, and apparently something interacts badly with that: when i removed it, the install succeeded. does someone...
hello, if i load the RSQLite package in addition to the RPostgreSQL package, i get various errors when trying to use RPostgreSQL functions. here is an example transcript showing one such error: ========================================================== R version 2.15.0 (2012-03-30...
hi, the help page for crossprod states that crossprod(A,B) is faster than t(A) %*% B; experimentation certainly bears this out. more alarming is the evidence that crossprod(t(A), B) is faster than A %*% B: on a PII...
and just to turn this into a complete monologue, the partition has a corrupted filesystem, which caused the problem. i'm sure this has been fascinating for all of you. sorry jon. Jon McAuliffe wrote: > > um, not to answer my...
hi martin, i have installed 2.15.2 and tried your code example below, but i still get the same error: > library(RSQLite) Loading required package: DBI > library(RPostgreSQL) > dbDriver('PostgreSQL') Error in function (classes, fdef, mtable) : unable to find...
"Dan E. Kelley" wrote: > > > > I have some doubts about the implementation of the operators '&&' and > > > '||'. I only discuss '&&' here. The reason: One of my students tried > > One thing I like about Perl is that it defines 'and' and (rhyming > here...
not really that strange. amazon had some in inventory, all of which apparently got snapped up this morning at the fire sale price. apart from that inventory, the best info amazon currently has is that the publisher is out of...
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