Backtesting and Optimization mode: what? how? why?

 
Anyone know a beautiful giude of backtesting and optimization mode ?

Beacause i want know what testing for know what,

A good empirical guide/articles/site/ecc


Thanks at all
 
 
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Code Profiling - Creating Programs - MetaTrader 5
Code Profiling - Creating Programs - MetaTrader 5
  • www.metatrader5.com
Profiling is a process of gathering application features, such as an execution time of its individual fragments (functions, lines). MetaEditor has integrated means of code profiling allowing a programmer to optimize a source code. Profiling can be performed on the normal chart of the trading platform, as well as using history data in the...
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