What is RCPP mean?
What is RCPP mean?
Definition. RCPP. Reinforced Concrete Pressure Pipe. RCPP. Recurrent Coronary Prevention Project (epidemiology)
What is RCPP sugar?
Rcpp sugar brings a higher-level of abstraction to C++ code written using the Rcpp API. Rcpp sugar is based on expression templates (Abrahams and Gurtovoy, 2004; Vandevoorde and Josuttis, 2003) and provides some ‘syntactic sugar’ facilities directly in Rcpp.
How Rcpp works?
Rcpp provides a lot of syntactic “sugar” to ensure that C++ functions work very similarly to their R equivalents. In fact, Rcpp sugar makes it possible to write efficient C++ code that looks almost identical to its R equivalent.
What is RCPP material?
RCPP is a PP-based sealant film with excellent heat resistance that is specially formulated for retort applications.
How do I update a package in R?
If you only want to update a single package, the best way to do it is using install. packages() again. In RStudio, you can also manage packages using Tools -> Install Packages.
How do I run a CPP code in R?
To use a C++ function via sourceCpp:
- Write a your C++ function in a file with extension . cpp .
- In the source file, be sure to #include .
- Designate functions exposed to R using the tag // [[Rcpp::export]] .
- Compile and source your function using sourceCpp() and a link to the file.
How do I list installed packages in R?
This is the first link I got after googling ‘r installed user packages’: ….I just found another ways to see the list of the packages without writing any code:
- Open RStudio.
- Navigate to Help –> R Help (from the menu above)
- You will see the help panel opened.
- Then follow, Reference –> Packages.
How update R all packages?
Updating R Packages packages() is easy with the update. packages() function. Which will ask you for every package if you want to update, to just say yes to everything use ask = FAlSE .
What is RCPP package in R?
The ‘Rcpp’ package provides R functions as well as C++ classes which offer a seamless integration of R and C++. Many R data types and objects can be mapped back and forth to C++ equivalents which facilitates both writing of new code as well as easier integration of third-party libraries.
How do you call C code in R?
Calling C functions from R Call is to use . External . It is used almost identically, except that the C function will receive a single argument containing a LISTSXP , a pairlist from which the arguments can be extracted. This makes it possible to write functions that take a variable number of arguments.
How do I see loaded packages in R?
1 Answer. You can use the packageVersion() function to print version information about the loaded packages. To print the version information about R, the OS and attached or loaded packages, use the sessionInfo() function.
What is library () in R?
In R, a package is a collection of R functions, data and compiled code. The location where the packages are stored is called the library. If there is a particular functionality that you require, you can download the package from the appropriate site and it will be stored in your library.