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Z-Score Calculation - library for MetaTrader 4

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Published:
2008.02.27 08:49
Updated:
2015.10.08 09:31
The include file named Z_include.mqh contains a function that calculates the following parameters on the data array:
• Max - the maximum value;
• Min - the minimum value;
• universal mean - the mean value;
• standard deviation - mean-squared deviation (unbiased estimate);
• skew;
• kurtosis;
• Z-score on the data array.

You can find the description of the term of Z-score in the article Mathematics in Trading: How to Estimate Trade Results

The file should be placed in the folder of \MQL4\include\...

An exemplary script that calculates Z-score on a trading account:

```//+------------------------------------------------------------------+
//|                                                        Get_Z.mq4 |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+

#include <Z_include.mqh>
//+------------------------------------------------------------------+
//| script program start function                                    |
//+------------------------------------------------------------------+
int start()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+```

The header file, NormalProbability.mq4, contains an example of normal probability using the array.

Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/7452

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