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Same Exact Geocoding, different results

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06-20-2012 03:36 PM
AndrewTschirhart
Emerging Contributor
Dear all,

I geocoded 4.4 million records using the US_Street_Addresses locator contained on the Arcmap 10 maps and data CD (slightly edited to increase the runtimememorylimit for faster processing).  This resulted in a matching rate of 75%.  I subsequently performed the exact same geocoding (same input file, same locator file, same everything - I only changed the output file location), and this resulted in a matching rate of 80%.  I have noticed similar occurrences with past geocoding jobs.  Does anyone else have the same problem - i.e., their geocoding results are not replicable?  I am using the "Geocode Addresses" geoprocessing tool within ModelBuilder.

(As a general note, I try to do all of my geoprocessing in ModelBuilder so that my entire work flow is replicable, but I find that geoprocessing tools that have already successfully run will sometimes fail the second time, even if I have made no changes...)

Thanks,
Andrew
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