Visualizing Multiple Physician Office Locations

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Visualizing Multiple Physician Offices

Wansoo Im, Ph.D.
GIS in Health and Planning
Rutgers University

Published in: Education, Technology
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Visualizing Multiple Physician Office Locations

  1. 1. O NS E TI PL CA TI LO UL E M IC G FF IN O IZ N AL CIA SU S IVI Y PH 12 0 2 2 8/ 3/ Wansoo Im, Ph.D. GIS in Planning and Health Rutgers University Spring, 2012
  2. 2. DOWNLOAD DATAGo to sakaiDownload Physician dataDownload NJ county and municipal boundary shapefileNjgin.state.nj.us=> Don’t forget to extract all these data to bring them into Arc GIS
  3. 3. ADD THE DATA
  4. 4. ADD MUNICIPAL LAYER AT FIRSTSo that you can get the right projection in feet(Arc GIS only recognize the first projection of which the layer is added at first.
  5. 5. CLICK “IDENTIFY” ICON TO SEE THEINFORMATION OF THE POINTSIf you click one point to identify, you can see there’re many points overlaying at one point location.
  6. 6. THERE ARE SAME LOCATIONS THAT OVERLAY.HOW DO WE CALCULATE THE NUMBER OFDOCTORS LOCATED IN THE SAME LOCATION?
  7. 7. EXPORT ALL DATA FROM ATTRIBUTE TABLEDon’t select any case before you export the table data.If you select, then you will export only selected case as a table data.
  8. 8. CLICK MENU-> EXPORT THE TABLE
  9. 9. WHY DO WE EXPORT THIS TABLE DATA, NOTUSING EXISTING DBF FILE THAT ALREADYEXISTS IN SHAPEFILE? It’s because, if we use dbf. File which already exist within shapefile, then you will affect the original data. So, we export this table data (Think that you are copying it) to adjust /calculate in excel.
  10. 10. SAVE TABLE AS DBF. TABLE FORMAT
  11. 11. EXPORT DATA IN DBF FILE FORMAT
  12. 12. OPEN DBF. FILE FORMAT TABLE IN EXCEL
  13. 13. TYPE THE EQUATION TO JOIN X Y DATA AS ATEXT FORMAT= C2&”_”&D2Combine X and Y valueNot as a value but as a text, that’s why We put under bar so that we can separate this X_Y data into X and Y.After counting the number of doctors.
  14. 14. DRAG UNTIL THE END OF ROWS TO COPY THEFORMAT
  15. 15. PIVOT TABLE
  16. 16. SELECT THE AREA
  17. 17. INSERT->PIVOT TABLEMake sure you create “new worksheet” to work on pivot table
  18. 18. DRAG X_Y VARAIBLE INTO “ROW LAVELS” AND“X_Y VARIABLE” INTO “VALUES”
  19. 19. COPY THE PIVOT TABLE AND PASTE INTO NEWBLANK WORKSHEET (PASTE VALUE) SO THATWE CAN ERASE PIVOT TABLE FORMAT
  20. 20. PASTE THE “VALUE”
  21. 21. CLEAN THE DATADelete the empty rows and grand total
  22. 22. SEPARATE THE DATA BY “TEXT TO COLUMN”Select the row to separateGo to text to columnDelimited -> Next
  23. 23. SEPARATE X_Y VAIRALBE INTO X AND YVARIABLESCheck the box “Other” and type “_(underbar)” => Next
  24. 24. CLEANING THE DATAWarning!“Count of X_Y” should be changed to “Count” or something shorter than this name without space so that Arc GIS doesn’t get irritated to recognize this data.
  25. 25. SAVE AS WORKBOOK 1997-2002
  26. 26. ADD XY DATA
  27. 27. X FIELD => LONGITUDEYFIELD => LATITUDE
  28. 28. CLICK “EDIT” TO SET THE PROJECTION
  29. 29. SET THE PROJECTIONGeographical coordinate system -> North America-> NAD1983
  30. 30. CHECK THE ATTRIBUTE TABLE
  31. 31. CHANGE THE SYMBOLOGY
  32. 32. CLICK “CLASSIFY” TO EDIT THE CLASS
  33. 33. NEXT WEEK : MAPPLER EXAMPLE 1 – RU SAFEwww.mappler.net/rusafe
  34. 34. NEXT WEEK : EXAMPLE 2 – RU BIKEwww.rubike.org

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