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3. Applying AI to EHR Data /
4. Building, Evaluating and Interpreting Models /
Class Code Walkthrough /
mpg_train_data.csv
| # | Origin | MPG | Cylinders | Displacement | Horsepower | Weight | Acceleration | ModelYear |
|---|---|---|---|---|---|---|---|---|
| 1 | USA | 28.0 | -0.8693480468143899 | -1.009459099048806 | -0.7840523578082584 | -1.0253027985382497 | -0.3797592034405436 | -0.516396568189159 |
| 2 | USA | 22.3 | -0.8693480468143899 | -0.5302178575892881 | -0.442811103455629 | -0.11879578045186072 | 0.6241021665682525 | 0.8439098278796013 |
| 3 | USA | 12.0 | 1.483887183355597 | 1.4825953565406869 | 1.4471404591127797 | 1.736877409513218 | -0.7382811213008278 | -1.0605191266166631 |
| 4 | USA | 38.0 | -0.8693480468143899 | -0.8656867266109506 | -1.099044284902993 | -1.0253027985382497 | -0.30805481986848704 | 1.6600936655208576 |
| 5 | Japan | 33.8 | -0.8693480468143899 | -0.9423653252444735 | -0.9940469758714149 | -1.0016032686536382 | 0.8750675090704512 | 1.1159711070933533 |
| 6 | USA | 19.4 | 0.3072695682706036 | 0.3515860266962247 | -0.3903124489398399 | 0.2603966977019229 | 0.5882499747822235 | 0.5718485486658492 |
| 7 | Japan | 38.1 | -0.8693480468143899 | -1.0190439238779962 | -1.177792266676677 | -1.2113441081324499 | 1.1618850433586787 | 1.1159711070933533 |
| 8 | Europe | 30.0 | -0.8693480468143899 | -0.472708908614146 | -0.9940469758714149 | 0.3077957574711459 | 2.2374507969395316 | 1.1159711070933533 |
| 9 | USA | 20.0 | 0.3072695682706036 | 0.025701982503752566 | -0.2590658126503671 | 0.13241923632502095 | 0.3372846322800248 | -0.516396568189159 |
| 10 | Japan | 20.0 | -0.8693480468143899 | -0.9423653252444735 | -0.442811103455629 | -0.8428164184267414 | 1.2335894269307355 | -0.788457847402911 |
| 11 | Europe | 27.0 | -0.8693480468143899 | -0.9423653252444735 | -1.177792266676677 | -1.3701309583593468 | 1.2335894269307355 | -1.3325804058304151 |
| 12 | USA | 16.5 | 1.483887183355597 | 1.4825953565406869 | 1.972127004270671 | 1.6468191959516945 | -1.2402118063052259 | 0.02772599023834512 |
| 13 | USA | 24.5 | -0.8693480468143899 | -0.4247847844681942 | -0.442811103455629 | -0.2965422545864468 | 0.15802367334988274 | 0.29978726945209716 |
| 14 | USA | 11.0 | 1.483887183355597 | 1.9618365980002046 | 1.184647186533834 | 2.3779496928919586 | -0.5590201623706857 | -0.788457847402911 |
| 15 | USA | 16.9 | 1.483887183355597 | 1.4825953565406869 | 1.3158938228233068 | 1.6231196660670828 | -0.2363504362964298 | 0.8439098278796013 |
| 16 | Japan | 33.7 | -0.8693480468143899 | -0.84651707695257 | -0.7840523578082584 | -0.924579796528651 | -0.4156113952265719 | 1.3880323863071053 |
| 17 | Europe | 21.6 | -0.8693480468143899 | -0.7123295293439049 | 0.26592073250752424 | -0.23136854740376525 | 0.0504670979917972 | 0.5718485486658492 |
| 18 | USA | 14.0 | 1.483887183355597 | 1.1758809620065953 | 1.184647186533834 | 1.2877713181998305 | -0.5590201623706857 | -1.0605191266166631 |
| 19 | Europe | 26.0 | -0.8693480468143899 | -0.9327805004152832 | -0.3903124489398399 | -0.8594060893459694 | -0.021237285580259387 | -0.788457847402911 |
| 20 | USA | 28.4 | -0.8693480468143899 | -0.4247847844681942 | -0.3903124489398399 | -0.379490609182587 | 0.15802367334988274 | 0.8439098278796013 |
| 21 | USA | 13.0 | 1.483887183355597 | 1.0225237647395498 | 0.6334113141180482 | 0.21181266143846939 | -1.2760639980912543 | -0.24433528897540693 |
| 22 | USA | 16.0 | 0.3072695682706036 | 0.6007914722551739 | 0.1346740962180514 | 0.7604567782672251 | 0.8750675090704512 | -0.516396568189159 |
| 23 | USA | 20.0 | -0.8693480468143899 | -0.5302178575892881 | -0.3903124489398399 | -0.6899544506709974 | 1.4128503858608774 | -1.0605191266166631 |
| 24 | USA | 25.0 | 0.3072695682706036 | -0.1372400395924835 | 0.1346740962180514 | -0.05362207326917916 | 0.3014324404939959 | 1.6600936655208576 |
| 25 | Europe | 41.5 | -0.8693480468143899 | -0.9327805004152832 | -0.7578030305503638 | -1.002788245147869 | -0.30805481986848704 | 1.1159711070933533 |
| 26 | USA | 14.0 | 1.483887183355597 | 1.4825953565406869 | 1.5783870954022525 | 1.4441882154382661 | -1.2760639980912543 | -1.3325804058304151 |
| 27 | USA | 25.8 | -0.8693480468143899 | -0.3768606603222424 | -0.3378137944240508 | -0.4387394338941157 | -0.4156113952265719 | 1.3880323863071053 |
| 28 | USA | 25.1 | -0.8693480468143899 | -0.5302178575892881 | -0.442811103455629 | -0.3202417844710583 | -0.05708947736628768 | 0.5718485486658492 |
| 29 | USA | 20.0 | 0.3072695682706036 | 0.3515860266962247 | -0.12781917636089424 | -0.09035634459032695 | 0.15802367334988274 | -0.24433528897540693 |
| 30 | USA | 17.0 | 1.483887183355597 | 1.0416934143979304 | 1.184647186533834 | 0.8078558380364481 | -1.4553249570213962 | -1.0605191266166631 |
| 31 | Japan | 20.0 | 0.3072695682706036 | -0.3768606603222424 | 0.4496660233127862 | -0.21714882947299835 | -0.7382811213008278 | -0.788457847402911 |
| 32 | Japan | 31.6 | -0.8693480468143899 | -0.7219143541730952 | -0.810301685066153 | -0.42096478648065705 | 0.9826240844285367 | 1.3880323863071053 |
| 33 | Europe | 22.0 | -0.8693480468143899 | -0.7123295293439049 | -0.7578030305503638 | -0.5679018717652482 | 0.8750675090704512 | -1.0605191266166631 |
| 34 | Europe | 26.0 | -0.8693480468143899 | -1.1148921721698999 | -0.9940469758714149 | -1.2172689906036027 | -0.021237285580259387 | -0.516396568189159 |
| 35 | USA | 21.0 | 0.3072695682706036 | 0.34200120186703437 | 0.1346740962180514 | 0.05776571718849479 | -0.2004982445104015 | -0.24433528897540693 |
| 36 | Japan | 29.8 | -0.8693480468143899 | -0.5877268065644302 | -0.3903124489398399 | -0.33090657291913345 | -0.021237285580259387 | 1.1159711070933533 |
| 37 | Japan | 31.0 | -0.8693480468143899 | -1.1915707708034227 | -1.046545630387204 | -1.4424145245074118 | 1.2335894269307355 | -1.3325804058304151 |
| 38 | USA | 13.0 | 1.483887183355597 | 1.9618365980002046 | 1.184647186533834 | 1.7463572214670626 | -1.2760639980912543 | -0.788457847402911 |
| 39 | USA | 16.0 | 1.483887183355597 | 1.1758809620065953 | 1.184647186533834 | 1.4216736620478854 | -0.91754208023097 | 0.02772599023834512 |
| 40 | USA | 14.0 | 1.483887183355597 | 2.4794171387764843 | 3.022100094586454 | 1.6160098071016995 | -2.3516297516721067 | -1.6046416850441672 |
| 41 | USA | 15.0 | 1.483887183355597 | 1.4825953565406869 | 1.5783870954022525 | 0.8327403444152901 | -1.4553249570213962 | -1.6046416850441672 |
| 42 | Japan | 44.6 | -0.8693480468143899 | -0.9998742742196156 | -0.9940469758714149 | -1.3511713344516576 | -0.6307245459427423 | 1.1159711070933533 |
| 43 | Japan | 31.3 | -0.8693480468143899 | -0.7219143541730952 | -0.7840523578082584 | -0.5311676004441004 | 0.695806550140309 | 1.1159711070933533 |
| 44 | USA | 16.0 | 1.483887183355597 | 1.0225237647395498 | 0.9221539139548883 | 1.3636098138305872 | -0.5590201623706857 | -0.516396568189159 |
| 45 | Europe | 29.0 | -0.8693480468143899 | -0.9423653252444735 | -0.7053043760345747 | -1.244523449970906 | -0.3797592034405436 | 0.29978726945209716 |
| 46 | USA | 16.0 | 1.483887183355597 | 1.4921801813698772 | 1.1583978592759394 | 1.5934952537113185 | -0.3797592034405436 | 0.29978726945209716 |
| 47 | USA | 29.0 | -0.8693480468143899 | -0.5781419817352399 | -0.5478084124872072 | -0.5513122008460202 | 0.15802367334988274 | 1.6600936655208576 |
| 48 | USA | 13.0 | 1.483887183355597 | 1.4825953565406869 | 1.184647186533834 | 2.0248266976112475 | -0.3797592034405436 | -0.516396568189159 |
| 49 | USA | 17.5 | 1.483887183355597 | 1.0512782392271207 | 1.0534005502443613 | 1.0543309488364074 | -1.096803039161112 | 0.29978726945209716 |
| 50 | USA | 18.0 | 0.3072695682706036 | 0.3515860266962247 | -0.12781917636089424 | -0.2384784063691487 | -0.2004982445104015 | -0.788457847402911 |
| 51 | Europe | 26.0 | -0.8693480468143899 | -0.7602536534898567 | -0.7840523578082584 | -0.8819206427363503 | -0.5590201623706857 | -0.516396568189159 |
| 52 | USA | 15.0 | 1.483887183355597 | 1.7988945759039685 | 1.7096337316917254 | 0.6786934001653155 | -1.9931078338118227 | -1.6046416850441672 |
| 53 | USA | 10.0 | 1.483887183355597 | 1.0704478888855014 | 2.4971135494285623 | 1.642079289974772 | -0.2004982445104015 | -1.6046416850441672 |
| 54 | USA | 22.0 | -0.8693480468143899 | -0.5302178575892881 | -0.8628003395819421 | -0.6899544506709974 | 1.2335894269307355 | -1.3325804058304151 |
| 55 | Europe | 34.3 | -0.8693480468143899 | -0.9423653252444735 | -0.7053043760345747 | -0.9506492794017236 | 0.08631928977782613 | 1.1159711070933533 |
| 56 | Europe | 30.7 | 0.3072695682706036 | -0.4822937334433363 | -0.7578030305503638 | 0.20114787299039424 | 1.4487025776469065 | 1.3880323863071053 |
| 57 | USA | 20.2 | 0.3072695682706036 | 0.04487163216213328 | -0.442811103455629 | 0.08265022356733684 | 0.5523977829961959 | 1.3880323863071053 |
| 58 | USA | 22.0 | 0.3072695682706036 | 0.5241128736216512 | 0.0034274599285785802 | 0.429848336376895 | -0.3797592034405436 | 0.02772599023834512 |
| 59 | Japan | 33.0 | -0.8693480468143899 | -0.9998742742196156 | -1.3615375574819388 | -1.416345041634339 | 0.695806550140309 | -0.24433528897540693 |
| 60 | USA | 21.0 | -0.8693480468143899 | -0.7027447045147145 | -0.4953097579714182 | -0.9056201726209617 | 0.3372846322800248 | -1.0605191266166631 |
| 61 | USA | 22.0 | 0.3072695682706036 | 0.025701982503752566 | -0.2590658126503671 | -0.18633944062300342 | -0.021237285580259387 | -1.6046416850441672 |
| 62 | Europe | 24.0 | -0.8693480468143899 | -1.009459099048806 | -0.7840523578082584 | -1.0454473989401696 | -0.021237285580259387 | -0.516396568189159 |
| 63 | Europe | 31.5 | -0.8693480468143899 | -1.0190439238779962 | -0.8890496668398367 | -1.1852746252593773 | -0.2363504362964298 | 0.5718485486658492 |
| 64 | USA | 15.0 | 1.483887183355597 | 2.239796518046725 | 2.4446148949127733 | 1.600605112676702 | -1.9931078338118227 | -1.6046416850441672 |
| 65 | Europe | 26.0 | -0.8693480468143899 | -0.9519501500736638 | -0.9415483213556258 | -0.9494643029074931 | 0.8750675090704512 | -1.0605191266166631 |
| 66 | USA | 16.0 | 0.3072695682706036 | 0.5241128736216512 | 0.0034274599285785802 | 1.074475549238327 | 1.0543284680005933 | -0.24433528897540693 |
| 67 | USA | 14.0 | 1.483887183355597 | 2.345229591167819 | 2.8908534582969807 | 1.5662407943440153 | -2.530890710602249 | -1.6046416850441672 |
| 68 | USA | 27.0 | -0.8693480468143899 | -0.7985929528066181 | -0.442811103455629 | -0.4150399040095042 | 1.0901806597866222 | 1.6600936655208576 |
| 69 | Europe | 25.0 | -0.8693480468143899 | -0.8177626024649989 | -0.4690604307135236 | -0.3771206561941258 | 0.695806550140309 | -1.6046416850441672 |
| 70 | Japan | 40.8 | -0.8693480468143899 | -1.0573832231947577 | -1.046545630387204 | -1.0430774459517083 | 1.305293810502792 | 1.1159711070933533 |
| 71 | Japan | 36.1 | -0.8693480468143899 | -0.9998742742196156 | -1.177792266676677 | -1.4104201591631862 | 0.3014324404939959 | 0.5718485486658492 |
| 72 | USA | 30.0 | -0.8693480468143899 | -0.9327805004152832 | -0.9677976486135204 | -0.9897535037113325 | 0.3372846322800248 | 0.5718485486658492 |
| 73 | USA | 17.6 | 1.483887183355597 | 1.0225237647395498 | 0.6334113141180482 | 0.8706595922306685 | -0.7741333130868562 | 0.8439098278796013 |
| 74 | USA | 15.5 | 1.483887183355597 | 1.1758809620065953 | 1.0534005502443613 | 1.3624248373363566 | -0.6665767377287712 | 0.29978726945209716 |
| 75 | USA | 23.0 | 0.3072695682706036 | 0.025701982503752566 | -0.2590658126503671 | -0.10220610953263268 | 0.15802367334988274 | -0.788457847402911 |
| 76 | USA | 14.0 | 1.483887183355597 | 1.4921801813698772 | 1.2633951683075177 | 1.3493900958998204 | -0.91754208023097 | -1.0605191266166631 |
| 77 | USA | 26.0 | -0.8693480468143899 | -0.9998742742196156 | -0.9152989940977312 | -1.2267488025574473 | 1.7713723037211617 | -1.3325804058304151 |
| 78 | USA | 19.2 | 1.483887183355597 | 1.0512782392271207 | 1.0534005502443613 | 0.5151666439614964 | -0.8458376966589134 | 0.5718485486658492 |
| 79 | Japan | 31.5 | -0.8693480468143899 | -0.9327805004152832 | -0.9677976486135204 | -1.1201009180766957 | 1.0543284680005933 | 0.29978726945209716 |
| 80 | Japan | 33.5 | -0.8693480468143899 | -1.0573832231947577 | -0.9152989940977312 | -1.238598567499753 | 0.44484120763811036 | 0.29978726945209716 |
| 81 | USA | 20.5 | 0.3072695682706036 | 0.2844922528918922 | -0.12781917636089424 | 0.5210915264326492 | 0.5882499747822235 | 0.5718485486658492 |
| 82 | USA | 34.2 | -0.8693480468143899 | -0.8656867266109506 | -0.9152989940977312 | -0.9364295614709567 | -0.8458376966589134 | 0.8439098278796013 |
| 83 | USA | 24.0 | 0.3072695682706036 | 0.04487163216213328 | -0.626556394260891 | 0.025771351844269295 | 0.731658741926338 | 0.02772599023834512 |
| 84 | Japan | 24.0 | -0.8693480468143899 | -0.7890081279774278 | -0.2590658126503671 | -0.8440013949209719 | -0.021237285580259387 | -1.0605191266166631 |
| 85 | USA | 14.0 | 1.483887183355597 | 2.4890019636056744 | 3.1533467308759264 | 1.7001431381920702 | -1.9931078338118227 | -1.6046416850441672 |
| 86 | USA | 23.9 | 1.483887183355597 | 0.6199611219135547 | -0.3903124489398399 | 0.5092417614903434 | 2.3808595640836447 | 0.8439098278796013 |
| 87 | Japan | 24.0 | -0.8693480468143899 | -0.7314991790022857 | -0.20656715813457793 | -0.5276126709614087 | 0.516545591210167 | -0.24433528897540693 |
| 88 | Japan | 32.9 | -0.8693480468143899 | -0.7314991790022857 | -0.12781917636089424 | -0.44466431636526854 | -0.2722026280824581 | 1.3880323863071053 |
| 89 | Japan | 31.8 | -0.8693480468143899 | -1.0573832231947577 | -1.046545630387204 | -1.14972533043246 | 1.305293810502792 | 0.8439098278796013 |
| 90 | Japan | 21.5 | -1.4576568543568866 | -1.1053073473407096 | 0.1346740962180514 | -0.3202417844710583 | -0.7382811213008278 | 0.29978726945209716 |
| 91 | USA | 25.5 | -0.8693480468143899 | -0.5302178575892881 | -0.4165617761977345 | -0.2787676071729882 | 0.08631928977782613 | 0.29978726945209716 |
| 92 | USA | 15.0 | 1.483887183355597 | 1.1758809620065953 | 1.184647186533834 | 1.3564999548652037 | -0.7382811213008278 | -1.0605191266166631 |
| 93 | Europe | 21.5 | -0.8693480468143899 | -0.7123295293439049 | 0.1346740962180514 | -0.4624389637787271 | -0.9892464638030265 | 0.29978726945209716 |
| 94 | USA | 19.0 | 0.3072695682706036 | 0.2844922528918922 | -0.2590658126503671 | 0.32438542839037393 | 0.15802367334988274 | -0.24433528897540693 |
| 95 | USA | 38.0 | 0.3072695682706036 | 0.6391307715719354 | -0.5215590852293127 | 0.029326281326961016 | 0.516545591210167 | 1.6600936655208576 |
| 96 | Japan | 23.0 | -0.8693480468143899 | -0.7219143541730952 | -0.20656715813457793 | -0.5738267542364011 | -0.3797592034405436 | -1.0605191266166631 |
| 97 | Japan | 35.1 | -0.8693480468143899 | -1.0957225225115192 | -1.177792266676677 | -1.4578192189324093 | 0.19387586513591165 | 1.3880323863071053 |
| 98 | Europe | 23.0 | -0.8693480468143899 | -0.7219143541730952 | -0.442811103455629 | -0.03940235533841227 | 0.516545591210167 | -0.24433528897540693 |
| 99 | Japan | 31.0 | -0.8693480468143899 | -1.143646646657471 | -1.3877868847398334 | -1.5893516097920029 | 0.3372846322800248 | -0.516396568189159 |
| 100 | Japan | 39.4 | -0.8693480468143899 | -1.0573832231947577 | -0.9152989940977312 | -1.0904765057209314 | 1.0901806597866222 | 0.5718485486658492 |