What does "Log" do? - futures io
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What does "Log" do?


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What does "Log" do?

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  #1 (permalink)
kauai, HI
 
 
Posts: 11 since Apr 2013
Thanks: 3 given, 3 received

hey guys, i'm trying to port some code to NT but my Easy Language knowledge is holding me back.

can someone explain what the "Log" term is doing here so i can write something for ninjascript?


Data = 0.25*Log((1+Value)/(1-Value));

what is "Log" doing here?



Data= is current bar equals

0.25*Log is one quarter of whatever log(?) is

( Value) is a number between .9999 and -.9999 so

(1+Value)/(1-Value) is a positive number (ratio) between 20,000 and .00005



thanks in advance for any help

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  #5 (permalink)
kauai, HI
 
 
Posts: 11 since Apr 2013
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so if there was a piece of EasyLanguage code that was

Data = 0.25*Log((1+Value)/(1-Value));


would that be base 10 or base e?

what would the default be, i guess is my question?

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  #6 (permalink)
 
 
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It's the natural logarithm, so base e.

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