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seevignesh

New User

Joined: 08 Sep 2008
Posts: 4
Location: chennai

 Posted: Sun Oct 05, 2008 6:39 pm    Post subject: Calculating Covariance and Standard Deviation ?? Hello everybody. I am doing a project in Cobol for stock market.. For that I need to know whether there is any Intrinsic function to calculate that..? Or if You know any logic , pls tell me... cov(x,y)=E(xy) - E(x) E(y)

Robert Sample

Global Moderator

Joined: 06 Jun 2008
Posts: 8165
Location: East Dubuque, Illinois, USA

 Posted: Sun Oct 05, 2008 8:10 pm    Post subject: Did you check the Language Reference? There's a Standard Deviation formula but covariance you'll have to calculate yourself.
seevignesh

New User

Joined: 08 Sep 2008
Posts: 4
Location: chennai

 Posted: Sun Oct 05, 2008 8:22 pm    Post subject: thank you for the reply
kavi1983

New User

Joined: 04 Sep 2008
Posts: 2
Location: chennai

 Posted: Wed Oct 08, 2008 11:18 am    Post subject: Reply to: Calculating Covariance and Standard Deviation ?? Am not able to understand what is mean by language reference . Please let me knw
enrico-sorichetti

Global Moderator

Joined: 14 Mar 2007
Posts: 10327
Location: italy

Posted: Wed Oct 08, 2008 12:36 pm    Post subject: Reply to: Calculating Covariance and Standard Deviation ??

 Quote: Am not able to understand what is mean by language reference . Please let me knw

in general a product not overly complicated comes with three manuals
- installation and customization ( the name tells )
- user guide ( general considerations and advices on the use )
- user reference ( detailed explanation of the - for example - commands, keyword, syntax )

and the word manual is usually implied when referring to them
and since cobol is a programming language the shortcut is "language reference"
dick scherrer

Site Director

Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

Posted: Wed Oct 08, 2008 1:13 pm    Post subject:

Hello,

 Quote: Am not able to understand what is mean by language reference
At the top of the page is a link to "IBM Manuals". You should see the Language Reference manual for your version of COBOL - just click on it.
kavi1983

New User

Joined: 04 Sep 2008
Posts: 2
Location: chennai

 Posted: Wed Oct 08, 2008 1:16 pm    Post subject: Thanks a lot for all your responses .
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