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howtos:reading_data_into_arrays

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Make distinction between data informant and target informant - refer to overview article.

There's amost always a mapping required; whether it's done in a TOOL script, a view or in the model.

Case 1 - Data informant used in model diagram

Some situations in which this occurs:

  • Data informant and target informant are common (no mapping required). If the informant is defined in the diagram then the source data can be imported immediately; otherwise, the informant must be defined.
  • Data informant and target informant are different, therefore mapping occurs in diagram.

Case 2 - Data informant mapped to target informant in script/view

Write and run script with this format:

Get informants from file
Export informants

Inspect informants, and create mappings. Grow script to:

Get informants from file
!Export informants (now optional)
Define mappings (from parameters or from external file)
Create/import data with data informants
Apply mappings
Export data
howtos/reading_data_into_arrays.1305644548.txt.gz · Last modified: 2011/05/17 15:02 by marcus.williams