Search found 4 matches

by Namploy
Sat May 05, 2018 7:57 am
Forum: General Information and Tips and Tricks
Topic: sariam and sarima-x first step
Replies: 0
Views: 3135

sariam and sarima-x first step

How can I run “SARIMA” and “SARIMA-X” by using EViews? And if you can tell me the 1st step that would be great. I have 120 data set (historical data: 10 years). The data’s separated into 2 sets; 1. the set of 108 data and 2. The set of 12 data. My understanding of the process followed by 1. Run Unit...
by Namploy
Wed Mar 07, 2018 12:58 am
Forum: Estimation
Topic: Taking log of non-positive number as “0”
Replies: 4
Views: 4019

Re: Taking log of non-positive number as “0”

EViews Gareth wrote:Not sure what you mean. EViews will drop the zero observations if you're taking logs.



I'll check data now. thank you
by Namploy
Tue Mar 06, 2018 8:03 am
Forum: Estimation
Topic: Taking log of non-positive number as “0”
Replies: 4
Views: 4019

Re: Taking log of non-positive number as “0”

What do you want the log of zero to be? Thank you for you response. For your question, I still have no idea what could "log of zero" be? Actually, I don't understand EView Program very well. Let me explain it I do "Simultaneous Equations" between demand and supply by running dat...
by Namploy
Mon Mar 05, 2018 6:51 am
Forum: Estimation
Topic: Taking log of non-positive number as “0”
Replies: 4
Views: 4019

Taking log of non-positive number as “0”

I know that taking log can’t apply with “0” (zero); however the raw data has some of “0”. So my question is how can I take log with such data (include some “0”? Or if you have any suggestion please let me know. My friend told me that I might classify data in group, but I have no idea how to do it. P...

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