diff options
author | mutantturkey <mutantturke@gmail.com> | 2012-07-06 17:40:33 -0400 |
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committer | mutantturkey <mutantturke@gmail.com> | 2012-07-06 17:40:33 -0400 |
commit | eee57e84aef9dfa0e7f2bf9a26a96b0736e309ee (patch) | |
tree | d9fb3b7b9088a685fb4375ba12d4fe9b2bb4e14b /fly-tools/standard-deviation | |
parent | e34eef18f7d273f21d4b3bbad6e6233e8de39f0c (diff) |
renamed standard-deviation folder to std-deviation to avoid conflict with binary name
Diffstat (limited to 'fly-tools/standard-deviation')
-rw-r--r-- | fly-tools/standard-deviation/StandardDeviation.cpp | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/fly-tools/standard-deviation/StandardDeviation.cpp b/fly-tools/standard-deviation/StandardDeviation.cpp deleted file mode 100644 index 04c301d..0000000 --- a/fly-tools/standard-deviation/StandardDeviation.cpp +++ /dev/null @@ -1,91 +0,0 @@ -#include<iostream> -#include <cstdlib> -#include<fstream> -#include<iomanip> -#include<cmath> -#include<vector> -using namespace std; - -vector<double> currentHistogramValues; - -int main(int argc, char* argv[]) { - - // argv[1] input file containing the list of files - // argv[2] output file containing the standard deviation and file name pair - // argv[3] data file path - // argv[4] data file postfix of metricname - - if (argc < 3) { - cout<<"Please provide the parameters ./executable iputfilename outputfilename"<<endl; - exit(1); - } - - ifstream inputFileNames(argv[1]); - ofstream outputFile(argv[2]); - string prefixPath(argv[3]); - string metricName(argv[4]); - - if (inputFileNames.fail() == true) { - cout << "Input File can not be opened"<<endl; - exit(0); - } - - outputFile<<left<<setw(30)<<"File Name"<<left<<setw(20)<<"Standard deviation"<<left<<setw(20)<<"Mean"<<endl; - - - string currentFileName; - while(inputFileNames>>currentFileName) { - - string currentFileWithExtension = prefixPath + currentFileName + "/" + currentFileName + "_"+ metricName +".txt"; - cout<<"File"<<currentFileWithExtension<<endl; - ifstream currentFile(currentFileWithExtension.c_str()); - if (currentFile.fail() == true) { - cout << currentFileName + " cannot be opened"<<endl; - exit(0); - } - - // N = sum(H_i) for i = 0 to M-1, M = number of samples in the histogram - // mean = 1/N*(sum(i*H_i)) for i = 0 to M-1 - double currentValueOfHistogram; - double sumOfValues = 0.0; - currentHistogramValues.clear(); - double i = 0.0; - double N = 0.0; - double M = 0.0; - while (currentFile >> currentValueOfHistogram) { - sumOfValues = sumOfValues + i*currentValueOfHistogram; - currentHistogramValues.push_back(currentValueOfHistogram); - - N = N + currentValueOfHistogram; - i=i+1.0; - } - - M = currentHistogramValues.size(); - // mean - double mean = sumOfValues/N; - - - // sigma^2 = (sum( (i-mean)^2*H_i ) )/(N-1) for i = 0 to M-1 - double standardDev = 0.0; - double sumSquaredResults = 0.0; - int j = 0; - for (i=0.0; i<M; i=i+1.0) { - sumSquaredResults += pow((i-mean), 2.0)*currentHistogramValues[j]; - j++; - } - - // standard deviation - - standardDev = sumSquaredResults/(N-1); - standardDev = sqrt(standardDev); - - outputFile<<left<<setw(30)<<currentFileName<<left<<setw(20)<<standardDev<<left<<setw(20)<<mean<<endl; - - currentFile.close(); - } - - inputFileNames.close(); - outputFile.close(); - - return(0); -} |