how to take log of negative values on eviews

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VanessaTram
Posts: 2
Joined: Fri Aug 18, 2017 10:12 am

how to take log of negative values on eviews

Postby VanessaTram » Fri Aug 18, 2017 10:32 am

Hi guys,
I am very new to Eviews, I have underwriting profit/loss values, some of them are negative. As I know in dealing with price I need to take log, but I do now know how to take log for those negative numbers ?
Also the one I am doing bases on literature review, other writers used AR(2), i do not know if i can use AR(2) model straight on my data or i have to test whether my data is suitable for AR(2) or not ??
thanks.

startz
Non-normality and collinearity are NOT problems!
Posts: 3775
Joined: Wed Sep 17, 2008 2:25 pm

Re: how to take log of negative values on eviews

Postby startz » Fri Aug 18, 2017 10:45 am

Negative numbers don't have logs. Nothing to do with EViews.


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