The first question that I always ask myself is "do I have a friend who I can call and he will tell me how is it right to trade the market and whether it is going to be an up or down day tomorrow" and the answer is always definitely no and probably no one has one like that.
The other half of this topic should say "... and not get 1 million of errors printed". NinjaTrader manual is actually very helpful and it says you can, all you have to do is use this setting:
Hello guys! We are back on track with some hot stuff!) So simple example straight into the business. Imagine you need to optimize your strategy and you want to use profit factor as the optimization fitness parameter but some results return very good profit factor but unfortunately too few trades to take these results seriously statistically and you want to exclude them completely.