Jesus Fausto / wheelchaircontrol1

1

Dependencies:   QEI2 chair_BNO055 PID Watchdog VL53L1X_Filter ros_lib_kinetic

Dependents:   wheelchairControlSumer2019

Statistics/statistics.cpp

Committer:
jvfausto
Date:
2019-06-28
Revision:
27:da718b990837
Child:
28:6d6bd8ad04dc

File content as of revision 27:da718b990837:

#include "statistics.h"
#include "mbed.h"

    statistics::statistics(int* Input, int dataLengthIn, int firstDataPoint){
        data = Input;
        dataLength = dataLengthIn;
        }
    double statistics::mean(){
        double sum;
        for(int i = 0; i < dataLength; ++i)
        {
            sum += data[i];
        }
    
        double average = sum/dataLength;
        return average;
    }
    double statistics::stdev(){
        float sum = 0.0, mean, standardDeviation = 0.0;

        int i;

        for(int i = 0; i < dataLength; ++i)
        {
            sum += data[i];
        }
    
        mean = sum/dataLength;
    
        for(int i = 0; i < dataLength; ++i)
            standardDeviation += pow(data[i] - mean, 2);
    
        return sqrt(standardDeviation / dataLength);
    }