Content Comparison

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h2. Overview 
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GeoPacks are designed to work with your data without having to be incorporated and stored into your source database. Packs provide three types of data:
# [#Geographical Labels]
# [#Geographical Fields] (Points, and sometimes Polygons)
# [#Demographic Metrics]

GeoPacks are structured to have one or more levels of geographical data. When there are multiple levels, the data will be structured in a logical hierarchy. Each level of the hierarchy will contain *Geographical Labels* of different formats and a *Geographical Field* containing a Point (and sometimes a Polygon). The pack may also have *Demographic Metrics*, which will be associated with the lowest level of the hierarchy which are automatically aggregated up depending on which hierarchy level you are using at the time. 


h2. Geographical Labels
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In order to identify the various levels of data in the pack, and link the pack to your own data, Geographical Labels are included and displayed in multiple formats.

If we look at a simplified version of the Australian Postcode GeoPack it contains the following three level hierarchy:
# State
# LGA (Local Government Area)
# Postcode

Some levels of this hierarchy may have different ways to identify the geography. For example, the State level can be identified by its full name, or using a three letter code. In this case, there are multiple *Geographical Labels* for the State field; State Label and State Code. An example of possible label fields for this pack would be:

||State Label||State Code||LGA Code||LGA Label||Postcode||
|Victoria|VIC|LGA23430|Kingston|3195|
|Victoria|VIC|LGA23430|Kingston|3196|
|Victoria|VIC|LGA25900|Port Phillip|3205|

These label fields are used to link the pack data to your source data, and as such you must select the label that matches the formatting in your source database. For example, if you're linking on State field and your data is stored as *VIC*, you would link on the *State Code* field. If your data is stored as *Victoria*, you would link on the *State Label* field.

bq. See [GeoPack Linking] for more information.


h2. Geographical Fields 
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Once a pack is linked, using *Geographical Label* fields, the *Geographical Fields* become available for reporting use. Each level of the pack hierarchy contains one *Geographical Field*. This field contains a centroid Point, and may also contain Polygons, depending on the pack design. The *Geographical Field* can be selected by a user and added to a map, and depending on the map type, Yellowfin will choose to use either the Point OR Polygon (where available).

bq. See [GeoPack Maps] for more information.


h2. Demographic Metrics
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Finally, the packs also contain *Demographic Metrics*. These are fields that explore various values associated with census demographics available in the geographic area.

If we look at the same simplified Australian Postcode GeoPack as above, it contains various different fields of census information. Most packs contain many demographic fields, but this simplified example contains two; Total Population and Median Age:
 
||Postcode||Total Population||Median Age||
|3195|34102|39|
|3196|23590|39|
|3205|9317|37|

The *Demographic Metrics* are designed to provide additional levels of context to your mapping, providing you with the ability to compare your data with census information for richer analysis.


h2. Setup
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h3. Obtain
To begin, you will need to obtain a GeoPack that suits your mapping requirements. Follow these steps:

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*1.* Access the [Yellowfin Website|http://www.yellowfinbi.com] and Log in at the top of the page.
{color:#CC0000}*Note:*{color} if you don't have a login for the Yellowfin Support Centre please contact your Account Manager.
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*2.* Navigate to the Marketplace through the top navigation, or click [here|https://www.yellowfinbi.com/YFWebsite-Marketplace-77991]
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*3.* Navigate to the *GeoPacks* section and locate the GeoPack you wish to download. 
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*4.* Clicking on the pack overview will display a detailed description and download button.
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*5.* Download the GeoPack and unzip the file. You will find a readme and a .gpk file.
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h3. Import


h3. Link

h3. Use
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