Level: Intermediate
David Trindade, Founder and Owner, Stat-Tech; and Instructor, Santa Clara University
Golf handicapping is meant to “level the playing field” and allow players of different abilities to compete equally in tournaments. Each golfer has a handicap based on a formula using the 10 best scores in the most recent 20 rounds. In competition, the handicap is subtracted from a golfer’s gross score to determine the net score. The lowest net scores are the winning scores. From a statistical viewpoint, is the handicapping system fair and performing as expected? One analysis approach is to compare graphs of the gross and net scores versus handicaps. Gross scores are expected to increase with handicaps, but net scores should be reasonably comparable across handicaps. For this talk, we use the analytical and visualizing capabilities of JMP to investigate the relationship between gross and net scores versus handicaps for several different tournaments run at a private country club. In the process, we uncover several interesting scoring differences for tournaments among men, women and seniors. We illustrate using JMP software's Fit Y by X, Distributions, Graph Builder, Outlier Screening and By variable formula functions. An “Aha!” moment occurs when we discover that the handicapping system for a certain tournament type resulted in outcomes not indicative of a level playing field.
![Slide1.JPG Slide1.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12955i6370AC9CA0E5F78D/image-size/medium?v=v2&px=400)
![Slide2.JPG Slide2.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12957i889BB973B956FB36/image-size/medium?v=v2&px=400)
![Slide3.JPG Slide3.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12958i98F5E17FB4779D0A/image-size/medium?v=v2&px=400)
![Slide4.JPG Slide4.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12956i6A897A40206CA9C8/image-size/medium?v=v2&px=400)
![Slide5.JPG Slide5.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12959iDEB824AD87AF77AB/image-size/medium?v=v2&px=400)
![Slide6.JPG Slide6.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12961i1677AD1A3E826795/image-size/medium?v=v2&px=400)
![Slide7.JPG Slide7.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12962iD733AA4D672B4B4D/image-size/medium?v=v2&px=400)
![Slide8.JPG Slide8.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12960i5C7D1B6E4C3D5C5B/image-size/medium?v=v2&px=400)
![Slide9.JPG Slide9.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12963i14880116ADA51A2F/image-size/medium?v=v2&px=400)
![Slide10.JPG Slide10.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12964i4CF3D2DEFA075615/image-size/medium?v=v2&px=400)
![Slide11.JPG Slide11.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12965iBED548C5D23F63D9/image-size/medium?v=v2&px=400)
![Slide12.JPG Slide12.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12966i58E532C87074A9FE/image-size/medium?v=v2&px=400)
![Slide13.JPG Slide13.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12967iC05CC540F2CF2158/image-size/medium?v=v2&px=400)
![Slide14.JPG Slide14.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12968i5AF2EFC4D094F260/image-size/medium?v=v2&px=400)
![Slide15.JPG Slide15.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12969i677AA07BD089C2DE/image-size/medium?v=v2&px=400)
![Slide16.JPG Slide16.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12970iE6DEF9D0B9AD5195/image-size/medium?v=v2&px=400)
![Slide17.JPG Slide17.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12971iABD84F183294D316/image-size/medium?v=v2&px=400)
![Slide18.JPG Slide18.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12973i542FC43A060CA704/image-size/medium?v=v2&px=400)
![Slide19.JPG Slide19.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12972iB5DAE44625FD0D8E/image-size/medium?v=v2&px=400)
![Slide20.JPG Slide20.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12974iE38D4D000C947F91/image-size/medium?v=v2&px=400)
![Slide21.JPG Slide21.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12975iAC56423002F34FDB/image-size/medium?v=v2&px=400)
![Slide22.JPG Slide22.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12976i8739420800781ED0/image-size/medium?v=v2&px=400)
![Slide23.JPG Slide23.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12977iB3065EA48E6D6E48/image-size/medium?v=v2&px=400)
![Slide24.JPG Slide24.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12978iAFA917258C043DEB/image-size/medium?v=v2&px=400)
![Slide25.JPG Slide25.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12979iAC7C6A0AE7F99A17/image-size/medium?v=v2&px=400)
![Slide26.JPG Slide26.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12980i9E2E8FC4CA16A47C/image-size/medium?v=v2&px=400)
![Slide27.JPG Slide27.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12981i880A19E48BE694F2/image-size/medium?v=v2&px=400)
![Slide28.JPG Slide28.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12982i478D70654546F0D3/image-size/medium?v=v2&px=400)
![Slide29.JPG Slide29.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12983i94277E030FFFF622/image-size/medium?v=v2&px=400)
![Slide30.JPG Slide30.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12984i88FECA9DA6FF2BFE/image-size/medium?v=v2&px=400)
![Slide31.JPG Slide31.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12985iF8E861B26CBD4FBB/image-size/medium?v=v2&px=400)
![Slide32.JPG Slide32.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12986i080E05D55E4D0A65/image-size/medium?v=v2&px=400)
![Slide33.JPG Slide33.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12987i8498A0D5B9796DB2/image-size/medium?v=v2&px=400)
![Slide34.JPG Slide34.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12988i06F84717397321C3/image-size/medium?v=v2&px=400)
![Slide35.JPG Slide35.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12989i37AA7BC220883661/image-size/medium?v=v2&px=400)
![Slide36.JPG Slide36.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12990i083D1ACF2D059AF1/image-size/medium?v=v2&px=400)
![Slide37.JPG Slide37.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12991i97908A3A8DEB984D/image-size/medium?v=v2&px=400)
![Slide38.JPG Slide38.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12992iB34F592F0C0C259C/image-size/medium?v=v2&px=400)
![Slide39.JPG Slide39.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12993i1E14E28C5C8C11AD/image-size/medium?v=v2&px=400)
![Slide40.JPG Slide40.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12994iFC9053A98FA0F2D1/image-size/medium?v=v2&px=400)
![Slide41.JPG Slide41.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12995i22D62F099787C0BE/image-size/medium?v=v2&px=400)
![Slide42.JPG Slide42.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12996i063969BFDC707352/image-size/medium?v=v2&px=400)
![Slide43.JPG Slide43.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12998iEBE8C27F7F4A0379/image-size/medium?v=v2&px=400)
![Slide44.JPG Slide44.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12997i895CC376407CCDC5/image-size/medium?v=v2&px=400)
![Slide45.JPG Slide45.JPG](https://community.jmp.com/t5/image/serverpage/image-id/12999i92B7B7607E535F21/image-size/medium?v=v2&px=400)
![Slide46.JPG Slide46.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13000i137C74BEB0CE1CF5/image-size/medium?v=v2&px=400)
![Slide47.JPG Slide47.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13001i5C34392D5A0F681E/image-size/medium?v=v2&px=400)
![Slide48.JPG Slide48.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13002i8B6578C4835A809B/image-size/medium?v=v2&px=400)
![Slide49.JPG Slide49.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13003i5494782977640FDE/image-size/medium?v=v2&px=400)
![Slide50.JPG Slide50.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13005i567ACD5EC4F9B6A1/image-size/medium?v=v2&px=400)
![Slide51.JPG Slide51.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13004iBB58B4106E237AF2/image-size/medium?v=v2&px=400)
![Slide52.JPG Slide52.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13006i351508534F3C31D5/image-size/medium?v=v2&px=400)
![Slide53.JPG Slide53.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13007i2C49EA460717D3F1/image-size/medium?v=v2&px=400)
![Slide54.JPG Slide54.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13008i402D7BF7CCCED202/image-size/medium?v=v2&px=400)
![Slide55.JPG Slide55.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13009iC047B4C7A80AA157/image-size/medium?v=v2&px=400)
![Slide56.JPG Slide56.JPG](https://community.jmp.com/t5/image/serverpage/image-id/13010i79E9CF2E473A17A3/image-size/medium?v=v2&px=400)