DAMIS_WebService/Statistics.cpp at master · InScience/DAMIS_WebService · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
///////////////////////////////////////////////////////////
//  Statistics.cpp
//  Implementation of the Class Statistics
//  Created on:      05-Vas-2014 17:36:46
//  Original author: Povilas
///////////////////////////////////////////////////////////


#define _ELPP_THREAD_SAFE
#define _ELPP_STL_LOGGING
#define _ELPP_NO_DEFAULT_LOG_FILE

#include "Statistics.h"
#include "HelperMethods.h"
#include "logging/easylogging++.h"


Statistics::Statistics(InitDamisService* initFile):ServeRequest(initFile){

    LOG (INFO) << "Statistical data processing has been called";
}

void Statistics::statPrimitives()
{

    LOG (INFO) << "Initiating statistical primiteve calculation";

    std::vector<std::string> attrNames;
    std::string tmp;

        tmp = "min";tmp.append(" NUMERIC"); attrNames.push_back(tmp);
        tmp = "max"; tmp.append(" NUMERIC"); attrNames.push_back(tmp);
        tmp = "mean"; tmp.append(" NUMERIC"); attrNames.push_back(tmp);
        tmp = "std"; tmp.append(" NUMERIC"); attrNames.push_back(tmp);
        tmp = "median"; tmp.append(" NUMERIC"); attrNames.push_back(tmp);


    std::vector<std::string> dummy;
    dummy.reserve(0); //pass dummy vector to write function since no attribute after transform are left


    for (int i = 0; i < serveFile->getNumberOfAttributes(); i++)
    {
        for (int j = 0; j < serveFile->getNumberOfObjects(); j++)
        {
            ServeRequest::tmpDataVector.push_back(serveFile->getDoubleDataAt(j, i));
        }
            double min = *std::min_element(ServeRequest::tmpDataVector.begin(), ServeRequest::tmpDataVector.end());
            double max = *std::max_element(ServeRequest::tmpDataVector.begin(), ServeRequest::tmpDataVector.end());
            double mean = HelperMethods::getMean(ServeRequest::tmpDataVector);
            double stdev = HelperMethods::getStd(ServeRequest::tmpDataVector); //daliname is N o ne is N-1

            size_t n = ServeRequest::tmpDataVector.size() / 2;
            nth_element(ServeRequest::tmpDataVector.begin(), ServeRequest::tmpDataVector.begin()+ n, ServeRequest::tmpDataVector.end());

            double median = ServeRequest::tmpDataVector.at(n);
            ServeRequest::tmpDataVector.clear();

           //  Statistics::tmpDataVector = {min, max, mean, stdev, median}; if C11 compiler
           ServeRequest::tmpDataVector.push_back(min);
           ServeRequest::tmpDataVector.push_back(max);
           ServeRequest::tmpDataVector.push_back(mean);
           ServeRequest::tmpDataVector.push_back(stdev);
           ServeRequest::tmpDataVector.push_back(median);

            ServeRequest::writeData.push_back(ServeRequest::tmpDataVector);
            ServeRequest::tmpDataVector.clear();
    }

    this->writeDataToFile(outFile->getFilePath(), prepareDataSection(ServeRequest::writeData, dummy), prepareAttributeSection(attrNames, dummy, dummy));

}


Statistics::~Statistics(){

}