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Hello Tomasz,
thanks for the reply.
I have read the tutorials. printed out the manual all 300 plus pages, read
it twice and left it at work over the weekend so cant refer to it now except
on the online version.
I understand about the metastock plugin and set up a database using the
metastock plugin.
However, I have tried to follow these instructions and cam up with these
problems.
I imported one of my data directories. ASX. The data was placed in the ALL
directory and in Group 0 and Market 0.
I changed group 0 and market 0 into ASX Equities using symbol categories.
I then tried to import my directory for London Stock Exchange. Using
file->Database settings->Configure am I supposed to add further directory
folders to this?? Where do they go? The yseem to get merged into All and
ASX?? They certainly did not make another directory for themselves.
I set bars to 100000 to ensure all data from my files was imported. is that
correct? Now (even though the data goes back say 20 years ) the tree takes
forever to initialise.
I do not understand what process to do what I want to do.
I want to import metastock files for 8 different folders (ASX, LSE, NYS,
etc) 8 exchanges.
I want them to be within their own directory called (ASX, LSE, NYS,
etc)under markets.
Then I want to import data from another database directory for my futures
data and put them in their own market name.
Later I will go through these directories and select top 100 etc and put
them into a group called top 100 so that should not bea problem.
However, at this stage I cant see how to import the data in the first
instance. LSE data I have no idea where it is since I would have to troll
through the ASX file to locate their codes I guess.
-----Original Message-----
From: Tomasz Janeczko [mailto:amibroker@xxxxxx]
Sent: Saturday, 19 June 2004 6:04 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Understanding Categories was: Re: [amibroker] Importing data
into Amibroker
Importance: High
Hello,
First you should really read TUTORIAL and use METASTOCK PLUGIN
http://www.amibroker.com/guide/h_extsources.html
to read MS database directly (so you don't need to reimport all the time).
Reading all tutorial sections is a first thing a new user should do.
Second thing is understanding categories.
Categories are NOT folders (like in Windows Explorer)
The difference is fundamental.
In the explorer file appears (usually) only once in the given
tree leaf.
In the workspace symbol tree given symbol appears multiple times because
it appears in every category leaf to which it belongs to
even if this is the same symbol and only it exists only as single
entity.
One symbol belongs to MANY categories at the same time.
For example
AAPL (Apple Inc.)
will belong
to
"Stocks" group category
"Nasdaq" market category
"Information" sector category
"Comp-Computer Mfg" industry category
and may also
belong to
several watch lists and favorites category
ALL at the same time.
That's why ONE symbol will appear in many leaves of the symbol tree.
Now if you delete the SYMBOL it will of course disappear from ALL categories
because you have deleted the SYMBOL.
There are two types of categories:
1. with mutualy exclusive membership: groups, markets, sectors/industries
- it means that symbol MUST belong to ONE group ONE market and ONE
sector/industry at a time
you can move the symbol from one group/market/sector/industry to another
but you can not
remove this assignment - create "Unassigned" group/market/sector/industry
instead.
2. with free membership: watch lists/favorites/indexes
- it means that a symbol may belong to ANY number (including zero) of
watch lists (and to favorite/index category too)
In this case you can remove this assignment by Watch List->Remove
Watch lists are covered in detail in the User's Guide:
http://www.amibroker.com/guide/h_watchlist.html
(the same is available when you press F1 from AmiBroker)
Third thing:
if you use "DELETE" button in Symbol->Categories
it displays the warning:
"This will delete selected symbols FROM THE DATABASE".
Again: it will delete FROM THE DATABASE, not from the category.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "Collectable Images" <telecard@xxxxxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Saturday, June 19, 2004 9:28 AM
Subject: [amibroker] Importing data into Amibroker
> Hello guys.
>
> This is starting to seem like a nightmare.
>
> Waht happens when my original datasource adss or deletes a stock code or
> merges two codes together?
>
> Do I have to repeat the whole process for all the folders involved
> (hundreds) at periodic time intervals unless I know escatly which stock
> codes were changed? Finding that out could be a lifetimes work in itself.
>
>
>
>
>
> Check AmiBroker web page at:
> http://www.amibroker.com/
>
> Check group FAQ at:
http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> Yahoo! Groups Links
>
>
>
>
>
>
Check AmiBroker web page at:
http://www.amibroker.com/
Check group FAQ at:
http://groups.yahoo.com/group/amibroker/files/groupfaq.html
Yahoo! Groups Links
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Check AmiBroker web page at:
http://www.amibroker.com/
Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
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