Keyword Description
Additional data from price file
Class
Function
Where Legal
Resources |
Entry Logic |
Exit Logic |
Initial Size |
Resize (Pre-Category) |
Resize (Category-Level) |
l |
l |
l |
|
|
|
Syntax
EXTRA[n]
Where n is an integer > 0
Example
Sample code
COL1 = EXTRA[1] ' look at the first [1] column past those
' that are designated as Other Data Fields in symbol manager
ROLLFLAG = COL1[1]
' look at yesterday's value to avoid postdictive error
|
Any numerical data that appears in your data files in columns beyond 'Other Data Fields' as specified in Symbol Manager > Page Properties will be returned by EXTRA[n]. You would reference the first such column as EXTRA[1], the second EXTRA[2], etc. Mechanica can reference a practically unlimited number of EXTRA[n] fields or columns it finds in your data files. This accommodates research using large quantities of fundamental data. You might set up your data files to hold Date, Open, High, Low, Close,,,,.... Restated Earnings in column 200. Reference as EXTRA[195] in Mechanica. |
See also: