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--- howtos:reading_data_into_arrays [2011/05/17 15:01]
marcus.williams
+++ howtos:reading_data_into_arrays [2011/05/25 13:42] (current)
marcus.williams
@@ Line 2: / Line 2: @@
 There's amost always a mapping required; whether it's done in a TOOL script, a view or in the model.
+Name data informants appropropriately (to indicate their strong data dependence) as opposed to target informats which tend to be more generic. E.g. use "_data" suffix for name, "_d" for index.
+I usually tackle moderately complex imports in a stand alone TOOL script (not a view) kept alongside the source data, which produces a whatIf-friendly output (TOOL or text), along with informants.
 ===== Case 1 - Data informant used in model diagram =====
@@ Line 14: / Line 18: @@
 Write and run script with this format:
-		<file>
+<file>
-		Get informants from file
+Get informants from file
-		Export informants
+Export informants
-		</file>
+</file>
 Inspect informants, and create mappings. Grow script to:
-		<file>
+<file>
-		Get informants from file
+Get informants from file
-		!Export informants (now optional)
+!Export informants (now optional)
-		Define mappings (from parameters or from external file)
+Define mappings (from parameters or from external file)
-		Create/import data with data informants
+Create/import data with data informants
-		Apply mappings
+Apply mappings
-		Export data
+Export data
-		</file>
+</file>

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