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Count of addresses within a dissemination block

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05-21-2020 12:09 PM
by Anonymous User
Not applicable

Hello all,

Newbie here. I have a table of addresses that I have geo-coded on a World Street Map. I've also included 2 StatsCan boundary files, Dissemination Subdivision and Dissemination Blocks. I am trying to use Graduated colours get a display based the count of addresses within a Dissemination Block. I've used a spatial join on Dissemination Subdivision and Join_Count for Primary symbology - Graduated Colors, and this seems to return reasonable results, but when I try the same methodology for the Block level, I get 0 for a Join_Count. Any assistance would be greatly appreciated.

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23 Replies
by Anonymous User
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Added X, Y, Display X, Display Y. Please let me know if that does the trick.

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DavidPike
MVP Notable Contributor

Oh I had fun with this one...

My best guess is that the huge number of 0 join_count values in the dataset basically overmatches the small number of other join_counts, maybe a skip factor or something like that is hidden in there. Definitely something for esri to look into.

If you get rid of the 0 values either via deletion (select by attribute where "Join_Count" = 0 or with a  definition query "Join_Count" <> 0, then overlay that layer on top it should work as expected.

by Anonymous User
Not applicable

I'm glad you had fun with it, lol! I'll try your recommendations this morning and get back to you.

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by Anonymous User
Not applicable

What you suspected (too many 0 join_counts overwhelming the Graduated Colors symbology) is what was happening. Esri is now aware of the issue. 

David Pike‌ thank you very much for your patience and help. I have learned so much in just a few days. Not all heroes wear capes

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