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Producing Maps with SAS Enterprise Guide Harmon L. Jolley.

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Presentation on theme: "Producing Maps with SAS Enterprise Guide Harmon L. Jolley."— Presentation transcript:

1 Producing Maps with SAS Enterprise Guide Harmon L. Jolley

2 Introduction SAS Enterprise Guide has a wizard (Graph|Map) to plot data onto a map. SAS Enterprise Guide has a wizard (Graph|Map) to plot data onto a map. SAS/GRAPH is a required product for maps. SAS/GRAPH is a required product for maps. SAS/GRAPH includes SAS datasets that contain geographic data such as ZIP and FIPS codes. SAS/GRAPH includes SAS datasets that contain geographic data such as ZIP and FIPS codes. An important variable for mapping is _MAP_GEOMETRY_. An important variable for mapping is _MAP_GEOMETRY_.

3 Time to Digress for a Trivia Question: What does the acronym ZIP stand for In ZIP Code?

4 Answer: The Zone Improvement Plan of the early 1960s defined 5-digit postal codes to replace 1-digit codes. Example: Chattanooga 9, Tenn. became Chattanooga, TN Mr. ZIP

5 We now rejoin the presentation that was in progress. that was in progress.

6 Step 1 – Prepare Data Identify appropriate map in the MAPS library. Identify appropriate map in the MAPS library. Select Data | Filter and Query from the SAS EG drop-down menu bar. Select Data | Filter and Query from the SAS EG drop-down menu bar. Select the analysis variable from your data. Select the analysis variable from your data. Select other variables of interest. Select other variables of interest. Join your data to MAPS dataset(s). Join your data to MAPS dataset(s). Filter the data to achieve result. Filter the data to achieve result.

7 Step 1 – Example In the following example, the Prepare Data process flow was created by using Data | Filter and Query. The input datasets (USCITY, US2, and CNTYNAME) are found in the standard MAPS library of SAS/GRAPH. The input datasets in the example provide both the analysis variable (POP or population) and the geocoding variable _MAP_GEOMETRY_. There are three SAS datasets joined, but no Filter or Sorting.

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11 Step 2 – Produce Map Select Map | Graph from the SAS EG drop-down menu bar. Select Map | Graph from the SAS EG drop-down menu bar. Select the type of map. Select the type of map. Assign the analysis variable to Column to Chart. Assign the analysis variable to Column to Chart. Review the Appearance and Title section, and make changes as needed. Review the Appearance and Title section, and make changes as needed.

12 Step 2 – Example In the next process flow of the example, a United States map was produced to show population levels by state. In the next process flow of the example, a United States map was produced to show population levels by state. Under Graph | Map, a 2d choropleth map was selected. The population is assigned to the role Column to Chart, and the _MAP_GEOMETRY_ variable is assigned to map geometry.

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17 Step 2 – Example The following State View process flow allows the user to select a state, then display a map of that states data. The selection function was constructed using the Parameters of SAS EG.

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23 Step 3 – Enhance Results You can create a Code object, then edit to add SAS/GRAPH code to add functions not supported in the SAS EG map wizard. Right-click on the Map object, then select Add as Code Template.

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26 Step 4 – Publish Results SAS EG has many formats available in the Export function. PDF and HTML are good choices for maps.

27 Step 4 – Publish Results SAS EG has many formats available in the Export function. PDF and HTML are good choices for maps.

28 Right-click on the Map object, then Properties | Results to set the Report Format.

29 Contact Information Harmon Jolley


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