Questions from Beginners MQL5 MT5 MetaTrader 5 - page 527

[kontrabasss]

Hi, I am logged in to Mt4 but I am still not online, what should I do?

[Vladimir Karputov]

kontrabasss:

Hi, I am logged in to Mt4 but I am still not online, what should I do?

Read the messages in the "Log" tab.

[kontrabasss]

I don't get it! Read the message in the log tab! Where's the log?

[kontrabasss]

got it)))

[demonoid123000]

Sergey Gritsay:

I wonder how much you paid for such a code? I'll try to help.

Thanks for the help!!! Paid $10. A purely symbolic amount I understand.

[demonoid123000]

Sergey Gritsay:
Try

Thank you. I'll be sure to give it a try.

[demonoid123000]

demonoid123000:
Thank you. I will definitely try it now.

Sergei, everything works Thank you very much!!! Tell me, can I ask you for a similar request? Honestly, it is the last!

[Sergey Gritsay]

demonoid123000:
Sergei, everything works Thank you very much!!! Tell me, can I ask you for a similar request again? Honestly, it is the last!

you can ask

[Vitaly Muzichenko]

Can you tell me how to calculate the correlation between pairs in a certain area?

It is said that the correlation can be from -1 to 1, but how do I calculate it?

A picture is attached.

[Yury Reshetov]

Vitaly Muzichenko:

Can you tell me how to calculate the correlation between pairs in a certain area?

It is said that the correlation can be from -1 to 1, but how do I calculate this?

See https://www.mql5.com/ru/articles/491

// Коэффициент линейной корреляции Пирсона
   double r=s3/MathSqrt(s1*s2);