getObjecDataType

C++ Function Reference

1 Signature

std::string BigDataStatMeth::getObjecDataType(Rcpp::RObject obj)

2 Description

Determines the data type of an R object.

3 Parameters

• obj (Rcpp::RObject): R object to analyze

4 Returns

std::string Type identifier string

5 Details

objR object to analyze std::string Type identifier string Supported types:“numeric”: Numeric vectors/matrices”int”: Integer vectors/matrices”char”: Character vectors/matrices”logic”: Logical vectors/matrices”dataframe”: Data frames”list”: Lists”S4”: S4 objects”NULL”: NULL objects”unknown”: Unrecognized types

6 Caller Graph

7 Source Code

NoteImplementation

File: inst/include/Utilities/Utilities.hpp • Lines 129-160

inline std::string getObjecDataType(Rcpp::RObject obj) 
    {
        
        std::string strtype = "";
        
        try 
        {
            if( Rcpp::is<Rcpp::NumericVector>(obj) ) {
                strtype = "numeric";
            } else if( Rcpp::is<Rcpp::IntegerVector>(obj) ) {
                strtype = "int";
            } else if( Rcpp::is<Rcpp::CharacterVector>(obj) ) {
                strtype = "char";
            } else if( Rcpp::is<Rcpp::LogicalVector>(obj) ) {
                strtype = "logic";
            } else if( Rcpp::is<Rcpp::DataFrame>(obj) ) {
                strtype = "dataframe";
            } else if( Rcpp::is<Rcpp::List>(obj) ) {
                strtype = "list";
            } else if( obj.isS4() ) {
                strtype = "S4";
            } else if( obj.isNULL() ) {
                strtype = "NULL";
            } else {
                strtype = "unknown";
            }
        } catch(std::exception& ex) {
            Rcpp::Rcout<< "c++ exception getObjecDataType: "<< ex.what() << "\n";
        }
        
        return(strtype);
    }

8 Usage Example

#include "BigDataStatMeth.hpp"

// Example usage
auto result = getObjecDataType(...);