Jesus Fausto / wheelchaircontrol1

1

Dependencies:   QEI2 chair_BNO055 PID Watchdog VL53L1X_Filter ros_lib_kinetic

Dependents:   wheelchairControlSumer2019

Statistics/statistics.cpp@27:da718b990837, 2019-06-28 (annotated)

Committer:
jvfausto
Date:
Fri Jun 28 21:16:26 2019 +0000
Revision:
27:da718b990837
Child:
28:6d6bd8ad04dc
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jvfausto 27:da718b990837 1 #include "statistics.h"
jvfausto 27:da718b990837 2 #include "mbed.h"
jvfausto 27:da718b990837 3
jvfausto 27:da718b990837 4 statistics::statistics(int* Input, int dataLengthIn, int firstDataPoint){
jvfausto 27:da718b990837 5 data = Input;
jvfausto 27:da718b990837 6 dataLength = dataLengthIn;
jvfausto 27:da718b990837 7 }
jvfausto 27:da718b990837 8 double statistics::mean(){
jvfausto 27:da718b990837 9 double sum;
jvfausto 27:da718b990837 10 for(int i = 0; i < dataLength; ++i)
jvfausto 27:da718b990837 11 {
jvfausto 27:da718b990837 12 sum += data[i];
jvfausto 27:da718b990837 13 }
jvfausto 27:da718b990837 14
jvfausto 27:da718b990837 15 double average = sum/dataLength;
jvfausto 27:da718b990837 16 return average;
jvfausto 27:da718b990837 17 }
jvfausto 27:da718b990837 18 double statistics::stdev(){
jvfausto 27:da718b990837 19 float sum = 0.0, mean, standardDeviation = 0.0;
jvfausto 27:da718b990837 20
jvfausto 27:da718b990837 21 int i;
jvfausto 27:da718b990837 22
jvfausto 27:da718b990837 23 for(int i = 0; i < dataLength; ++i)
jvfausto 27:da718b990837 24 {
jvfausto 27:da718b990837 25 sum += data[i];
jvfausto 27:da718b990837 26 }
jvfausto 27:da718b990837 27
jvfausto 27:da718b990837 28 mean = sum/dataLength;
jvfausto 27:da718b990837 29
jvfausto 27:da718b990837 30 for(int i = 0; i < dataLength; ++i)
jvfausto 27:da718b990837 31 standardDeviation += pow(data[i] - mean, 2);
jvfausto 27:da718b990837 32
jvfausto 27:da718b990837 33 return sqrt(standardDeviation / dataLength);
jvfausto 27:da718b990837 34 }