search for: xiagao1982

Hi, all, Does R have a "const object" concept like which is in C++ language? I want to set some data frames as constant to avoid being modified unintentionally. Thanks! xiagao1982 2011-03-15 [[alternative HTML version deleted]]

Hi all, I am a C++/C# programmer who is new to R. I would like to use something like "namespace" to organize my functions without creating a package. How can I do this? Thanks! xiagao1982 2011-04-30 [[alternative HTML version deleted]]

Hi all, I create some objects in local(), and want to pass them to GlobalEnv. How can I do this? Thanks! xiagao1982 2011-05-02 [[alternative HTML version deleted]]

Hi all, I wonder if I can create indexes for columns in a data frame to speed up data selection by matching column values, just like indexes for large tables in a relational database? Thank you! xiagao1982 2011-05-19 [[alternative HTML version deleted]]

Hello everyone, I would like to call web service in R, how can I do this? Thank you! Gao Xia [[alternative HTML version deleted]]

...RDCOMClient, but I don't know whether they allow me to create COM object from remote DCOM server. 3. wrapper as CORBA Server: the package RSCORBA is old and I don't know if it is OK for the task. Can you give me some suggestion on remote procedure call to C# functionalities in R? Thanks! xiagao1982 2011-07-27

...ttps://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ------------------------------ Message: 64 Date: Mon, 22 Nov 2010 17:51:10 +0800 From: ?? <xiagao1982 at gmail.com> To: r-help at r-project.org Subject: [R] How to call web service in R Message-ID: <AANLkTintJO3AVsFhBn0eTrPnOK832E1E7GLa2Wsi9Q+a at mail.gmail.com> Content-Type: text/plain Hello everyone, [[elided Yahoo spam]] Gao Xia [[alternative HTML version deleted]] -----------...