get_data_as_Matrix

C++ Function Reference

1 Signature

std::vector< double > BigDataStatMeth::get_data_as_Matrix(std::vector< std::string > strBlockValues)

2 Description

Converts a vector of string values to numeric (double) values.

3 Parameters

• strBlockValues (std::vector< std::string >): Vector of strings to convert

4 Returns

std::vector Vector of converted double values

5 Details

strBlockValuesVector of strings to convert std::vector Vector of converted double valuesRcpp::stopIf any value is not numeric or if empty fields are found Handles end-of-line characters in the last column

6 Caller Graph

7 Source Code

NoteImplementation

File: inst/include/hdf5Utilities/hdf5ImportFiles.hpp • Lines 131-151

inline std::vector<double> get_data_as_Matrix(std::vector<std::string> strBlockValues)
    {
        
        std::vector<double> doubleVector(strBlockValues.size());
        std::transform(strBlockValues.begin(), strBlockValues.end(), doubleVector.begin(), [](const std::string& s) mutable
        {
            if( is_number(s) ==1 ){
                return (std::stod(s));
            } else {
                // Takes in to account the possible eol for the last column
                if( is_number(s.substr(0,s.length()-1) ) ==1 ){
                    return (std::stod(s));
                } else {
                    Rcpp::stop("Error: Column is not numeric. Only numeric data is allowed. Maybe there is a blank row at the end of the file or any field is empty");
                }
            }
        });

        return(doubleVector);

    }

8 Usage Example

#include "BigDataStatMeth.hpp"

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