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81 results for “from:Guillaume Yziquel”

Simple XTS Quantmod Problem
Guillaume Yziquel · Nov 1, 2009 · r-sig-finance

Arthur Kreitman a ?crit : > worked, thanks You're welcome. -- Guillaume Yziquel http://yziquel.homelinux.org/

R_tryEval for OCaml-R.
Guillaume Yziquel · Nov 14, 2009 · r-devel

Romain Francois a ?crit : > You can also see it in action in jri (in the Rengine.c file). > http://www.rforge.net/JRI/ > > Romain Thanks. I'll have a look. -- Guillaume Yziquel http://yziquel.homelinux.org/

ARIMA, xreg and intercepts
Guillaume Yziquel · Nov 12, 2009 · r-sig-finance

Brecknock, Peter a ?crit : > > It's funny that it is considered impolite to (inadvertently) attach a > claim of confidentiality to a public mailing list but that it is not > considered impolite to publically rebuke someone for doing it! ;-) > > Kind regards...

R_NilValue and segfault.
Guillaume Yziquel · Nov 17, 2009 · r-devel

Guillaume Yziquel a ?crit : > Hello. > > I've been trying to wrap up the R_NilValue into OCaml-R. I nevertheless > get a segfault. Is the value of R_NilValue (I mean the address in the R_NilValue pointer located in...

What symbols are loaded when require()ing?
Guillaume Yziquel · Feb 15, 2010 · r-help

Hello. I would need to know of a programmatic way to get a list of all the new symbols you get when require(9)ing a package/library. I'd like to know how to do that from within R...

Futures prices in quantmod?
Guillaume Yziquel · Dec 7, 2009 · r-sig-finance

Joshua Ulrich a ?crit : > Hi Guillaume, > > Try: > >> getQuote("^DJS2") > Trade Time Last Change % Change Open High Low Volume > ^DJS2 2009-12-07 11:14:00 103.73 -1.08 -1.03% 103.73 103.73 103.73 0 > > HTH, > Josh...

Futures prices in quantmod?
Guillaume Yziquel · Dec 7, 2009 · r-sig-finance

Hello. I was wondering if there was a way for quantmod's getSymbols to retrieve prices for futures. Some information seems available on yahoo, for instance: http://finance.yahoo.com/futures?t=indices http://download.finance.yahoo.com/d/quotes...

code for [[.data.frame
Guillaume Yziquel · Dec 13, 2009 · r-help

baptiste auguie a ?crit : > `[[.data.frame` > > and more generally see Rnews Volume 6/4, October 2006 "Accessing the Sources". > > > HTH, > > baptiste Thank you so much. Indeed, I've been able to look at the source code of the function from...

R strings, null-terminated or size delimited?
Guillaume Yziquel · Nov 21, 2009 · r-devel

Hello. I've been looking at vecsexps for my binding. Concerning strings, I'm wondering: are they supposed to be null-delimited? Are they delimited by the info in the SEXPHEADER macro in Rinternals.h? Basically, what are the macros...

PROTECT and OCaml GC.
Guillaume Yziquel · Dec 1, 2009 · r-devel

Simon Urbanek a ?crit : > > No, because you cannot use CHARSXP as a TAG. TAGs are always symbols. Therefore, logically, you must register it first in (or obtain from) the symbol table using install. OK. That's R side. OCaml side...

Genetic Algorithms & Portfolio Optimization
Guillaume Yziquel · Jan 23, 2011 · r-sig-finance

Le Saturday 22 Jan 2011 ? 23:52:36 (+0100), Guillaume Yziquel a ?crit : > Le Saturday 22 Jan 2011 ? 17:33:09 (-0500), Lui ## a ?crit : > > But I'm not so sure as what is available in R for SDPs. Just...

Segfault in GetNewPage, memory.c.
Guillaume Yziquel · Jan 8, 2010 · r-devel

Guillaume Yziquel a ?crit : > Hello. > > I'm still working on my OCaml-R binding and I get a segfault in the > GetNewPage() function of memory.c. Stupid issue that took me some time to solve: R wasn't initialised. (It...

Autoconf macros for R?
Guillaume Yziquel · Feb 7, 2010 · r-devel

Hi. I'm quite near a release for OCaml-R. Before that, however, I want to make the build system rely on autoconf / automake. So I'm asking myself and this mailing list whether or not there exists a set...

R strings, null-terminated or size delimited?
Guillaume Yziquel · Nov 23, 2009 · r-devel

Guillaume Yziquel a ?crit : > > Unfortunately, or fortunately, (depends on the point of view), I've > looked at symbols of libR.so (I'm on a Debian box, with Debian R), and I > fail to see such symbols exported. > > How could...

R_tryEval for OCaml-R.
Guillaume Yziquel · Nov 14, 2009 · r-devel

Hello. I'm currently working on the OCaml-R binding allowing to call R code from Objective Caml. As Objective Caml is a functional language, I'd like the binding to be as 'functional' as possible. Specifically, this means that...

getSymbols is zoo or xts?
Guillaume Yziquel · Dec 4, 2009 · r-sig-finance

Hello. I'm currently wrapping up quantmod to Objective Caml using the OCaml-R binding I've recently been creating. It seems to be working fine, but I'm currently wondering things about the S3 typing of quotes retrieved via...

How to extract all VaR values?
Guillaume Yziquel · Jan 25, 2010 · r-sig-finance

Dirk Eddelbuettel a ?crit : > > This may or may not be related: > > Date: Sun, 24 Jan 2010 10:09:43 +0000 > From: Barry Rowlingson <b.rowlingson at lancaster.ac.uk> > To: r-help at r-project.org > Subject: [R] R-forge...

Listing what a package exports.
Guillaume Yziquel · Nov 17, 2009 · r-help

Hello. I'm trying to bind R libraries / packages to Objective Caml. The R interpreter is now (unperfectly) embedded, and I'm now tackling embedding libraries. However, I'd like to automated the process as much as possible, and I...

R_NilValue and segfault.
Guillaume Yziquel · Nov 17, 2009 · r-devel

Guillaume Yziquel a ?crit : > Guillaume Yziquel a ?crit : >> Hello. >> >> I've been trying to wrap up the R_NilValue into OCaml-R. I >> nevertheless get a segfault. > > Is the value of R_NilValue (I mean the address in the R...

R_NilValue and segfault.
Guillaume Yziquel · Nov 17, 2009 · r-devel

Duncan Murdoch a ?crit : > On 17/11/2009 9:31 PM, Guillaume Yziquel wrote: >> Guillaume Yziquel a ?crit : >>> Hello. >>> >>> I've been trying to wrap up the R_NilValue into OCaml-R. I >>> nevertheless get a segfault. >> >> Is the value...

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