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MasterDATA
Composite Plug-in Overview
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The MasterDATA Composite Plug-in
allows MetaStock to automatically and seamlessly use MasterDATA's
historical composite breadth, .csv format datafiles with no import
or conversion of data. |
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Previous to the MasterDATA plug-ins, MetaStock
was limited to MetaStock format price files only. MetaStock
format price files allow only six data fields, open, high, low,
close, volume and open interest (oi). Not only are the number
of data fields limited, but users are required to use the names
Open, High, Low, Close, Vol, and OI when referring to the data no
matter what the data actually represents. If the field value
is actually advances, you must reference it by one of these six
names (depending on which of the six fields you place it in).
Imagine trying to recall that "high" really means advances.
Recalling such a name substitution next week is challenging.
Next year, it is most likely nearly impossible. All in all,
this arrangement is very limiting, very confusing and getting your
data into the format often very time consuming. |
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The MasterDATA Composite Plug-in
allows real and meaningful names in your formulas. The plug-in
currently reads any of 68 columns of data from our downloadable
composite breadth datafiles. Data can be called for an issue
representing the MetaStock function's "base" security as well
as a designated issue and/or designated data period. Seeing
"advances" in a MasterDATA Composite Plug-in
formula will always mean advances. Here is an example
of various MetaStock formulas using the MetaStock function's "base"
security: |
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| ExtFml( "md.BySym", advances) |
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Or by a specific symbol: |
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| ExtFml( "md.ByFile", SPY, advances, BASE) |
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Or by a specific data period (Weekly): |
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| ExtFml( "md.ByFile", BASE, advances, W) |
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Or by a specific symbol and specific data period: |
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| ExtFml( "md.ByFile", SPY, advances, W) |
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How these formulas are constructed and used is
detailed both here on the web site in the
MasterDATA Composite Plug-in
Configuration module overview section as well as within
the installed MasterDATA Composite Plug-in
Configuration program itself. Additionally, both
locations also include the formula builders,
md.bysym formula builder and
md.byfile formula builder which
make writing your plug-in MetaStock formulas easy and
failproof. |
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The MasterDATA Composite Plug-in
operates exactly like our MetaStockCSV
Plug-in. They are actually both the same program. The MasterDATA
Composite Plug-in however is
specifically configured for our historical composite breadth
datafiles. The MetaStockCSV
plug-in allows you to use your own .csv format datafiles
directly in MetaStock. Both plug-ins may be installed
and used in MetaStock simultaneously. |
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