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I am able to call R functions like min, mean, and mad from from a C/C++ embedded application, but when I try to get the standard deviation or variance (sd, var) R segfaults. Can someone suggest how to resolve...
I am working on embedding R into some visualization research programs. Can any point me to a collection of embedded and standalone R/C/C++ examples? The documentation is to terse for me to figure out how to develop this...
I am working on embedding R into some visualization research programs. Can any point me to a collection of embedded and standalone R/C/C++ examples? The documentation is to terse for me to figure out how to develop this...
Jeffrey Horner <jeff.horner at vanderbilt.edu> said: > Also, study the source code in the littler project. As it is a simple > command line alternative to the R shell script and executable, it may > bring you up to speed on...
I found a solution, but it will take me awhile to articulate why the example in the manual <http://cran.r-project.org/doc/manuals/R-exts.html> generated a segfault. EBo -- EBo <ebo at sandien.com> said: > I am...
Luke Tierney <luke at stat.uiowa.edu> said: > On Wed, 3 Sep 2008, EBo wrote: > > > Luke Tierney <luke at stat.uiowa.edu> said: > > > >> ... > >>> do something like the following: > >>> > >>> R_Expr = R_Parse1Buffer(&R_ConsoleIob, 0, &status); > >>> if (PARSE_OK==status...
Luke Tierney <luke at stat.uiowa.edu> said: > ... > > do something like the following: > > > > R_Expr = R_Parse1Buffer(&R_ConsoleIob, 0, &status); > > if (PARSE_OK==status) { > > ... > > value = eval(R_CurrentExpr, rho); > > ... > > } > > We definitely do NOT want this frozen into the public...
Simon Urbanek <simon.urbanek at r-project.org> said: > Why do you think is R_ParseVector not sufficient for this? That is > what most of use use to achieve exactly what you describe... > For something that even mimics the continuation...
While doing some embedded programming and trying to figure out how to generate a hand coded SEXP equivalent of the line "t.test(x,conf.level=(1-p))$conf.int[2]" I had an idea for an addition to the...
I stumbled onto a near trivial solution... here is some example code: EBo -- #include <Rembedded.h> #include <Rdefines.h> #include <Rinternals.h> #include <R_ext/Parse.h> SEXP LineEval (char *cmd) { SEXP ans; int error; ans = R_tryLineEval (cmd, R...
I do not know if this is related, but for some functions to work properly cookies, java, and/or javaqscript need to be enabled. Some of the current pages do not check for requirements and warn, they just don't...
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