make shaded graph for forecasting

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ch2324
Posts: 133
Joined: Fri May 10, 2013 10:52 am

make shaded graph for forecasting

Postby ch2324 » Wed Mar 09, 2016 12:45 pm

Hi everybody,
how can make shaded graph for forecasting like this picture.
Attachments
laubach_fig2_20140403.jpg
laubach_fig2_20140403.jpg (192.51 KiB) Viewed 11124 times

EViews Gareth
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Re: make shaded graph for forecasting

Postby EViews Gareth » Wed Mar 09, 2016 12:48 pm

This is a fan chart.

The EViews blog will have a post on creating fan charts soon!
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ch2324
Posts: 133
Joined: Fri May 10, 2013 10:52 am

Re: make shaded graph for forecasting

Postby ch2324 » Wed Mar 09, 2016 12:51 pm

great! :D thanks! Mr Gareth.

ch2324
Posts: 133
Joined: Fri May 10, 2013 10:52 am

Re: make shaded graph for forecasting

Postby ch2324 » Thu Apr 28, 2016 8:18 am

Hi,
First of all, i would to think EViews team for all their efforts to make this Add-in 8) ;
i have data frequency weekly named gas, so i want to make fanchart for my data the problem i use the Add-in but can give me a result, and i have use the program in the blog to make mode, skewness and uncertainty. but i get error mesage: Error in Sample: MODE is not defined in "SMPL IF MODE<>NA".
could you just explain in few line the steps for this.


Best CHERIF.

EViews Gareth
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Re: make shaded graph for forecasting

Postby EViews Gareth » Thu Apr 28, 2016 9:43 am

Slight bug in the add-in, it will be fixed.
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EViews Gareth
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Re: make shaded graph for forecasting

Postby EViews Gareth » Thu Apr 28, 2016 10:01 am

It has been updated.
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ch2324
Posts: 133
Joined: Fri May 10, 2013 10:52 am

Re: make shaded graph for forecasting

Postby ch2324 » Thu Apr 28, 2016 11:03 am

ok, but i have no idea what is the problem i can't get mode, skewness and uncertainty series, or in first create it in the workfile, and next use the Add-in.
(*)the prg calcquant i use it in the first to generate mode, skewness and uncertainty.
could you exmplain please i have no idea to use this Add-in :(

EViews Gareth
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Re: make shaded graph for forecasting

Postby EViews Gareth » Thu Apr 28, 2016 11:06 am

I'm not sure what there is to explain. In order to calculate a Bank of England style fan chart, you need to have the mode, uncertainty and skewness values of your forecast.

The add-in does not calculate those for you, it uses them as inputs.
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ch2324
Posts: 133
Joined: Fri May 10, 2013 10:52 am

Re: make shaded graph for forecasting

Postby ch2324 » Thu Apr 28, 2016 12:40 pm

i understand now, so the calcquant prg are the way to make mode, skewness and uncertainty.
thanks for you help :)

tvonbrasch
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Re: make shaded graph for forecasting

Postby tvonbrasch » Fri Sep 30, 2016 10:12 pm

Hi Gareth,

how do i use the fanchart addin using program code?

i tried

Code: Select all

cpi.fan mode uncertainty skewness

but then the option menu came up?

can you also give the precise link to where BoE explains the skewness and uncertainty series?
Thomas

EViews Gareth
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Re: make shaded graph for forecasting

Postby EViews Gareth » Mon Oct 03, 2016 7:34 am

There is no command line interface to this add-in. You're better off stealing the source code and adding it to your own program to suit your needs.

This paper (although not a BoE paper) explains the methodology well:
http://www.banrep.gov.co/docum/ftp/borra468.pdf
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