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我正在構建Shiny應用程序的早期階段，根據用戶選擇繪製一些數據。我的數據開始於：在Shiny應用程序中使用dplyr過濾器
Price,Mileage,Make,Model,Trim,Type,Cylinder,Liter,Doors,Cruise,Sound,Leather
17314.10313,8221,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,1,1
17542.03608,9135,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,1,0
16218.84786,13196,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,1,0
16336.91314,16342,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,0,0
16339.17032,19832,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,0,1
15709.05282,22236,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,1,0
15230.00339,22576,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,1,0
15048.04218,22964,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,1,0
14862.09387,24021,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,0,1
15295.01827,27325,Buick,Century,Sedan 4D,Sedan,6,3.1,4,1,1,1
21335.85248,10237,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,0,0
20538.08751,15066,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,0
20512.09409,16633,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,0
19924.15905,19800,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,1
19774.24907,23359,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,1
19344.16554,23765,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,0
19105.13012,24008,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,0,0
18543.42705,26034,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,1
17808.199,32896,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,0
17968.83828,34665,Buick,Lacrosse,CX Sedan 4D,Sedan,6,3.6,4,1,1,1
22358.87768,8970,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,1,0
23785.92253,10577,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,1,1
22926.09037,14363,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,1,1
21895.75878,16508,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,0,1
21273.06171,18908,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,0,0
21460.01395,19467,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,0,1
21183.12359,21394,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,0,0
20406.0995,22596,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,0,0
21058.13958,24469,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,1,1
19556.89932,25245,Buick,Lacrosse,CXL Sedan 4D,Sedan,6,3.6,4,1,0,0
23447.68656,15755,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,1,0
23547.23944,16235,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,1,0
23016.00801,18147,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,1,1
22230.0275,22102,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,0,1
22625.07357,23612,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,0,1
21799.1721,24439,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,0,0
21341.25721,25212,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,1,1
21683.03146,26779,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,1,0
20986.01602,27096,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,0,0
20902.10379,29649,Buick,Lacrosse,CXS Sedan 4D,Sedan,6,3.8,4,1,1,1
20698.07708,2992,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,0,1
20099.25684,10036,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,1,1
18145.12649,18339,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,1,0
17944.85692,19592,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,0,0
19027.86231,21797,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,0,1
18348.89857,23852,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,1,0
17750.88457,25040,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,1,0
17772.96968,25052,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,1,0
17394.0214,25464,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,1,0
17645.74504,27830,Buick,Lesabre,Custom Sedan 4D,Sedan,6,3.8,4,1,1,1
21908.36662,17353,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,0,0
21956.34266,17787,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,0
21646.11692,19562,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,1
21575.45683,20137,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,0
20952.2178,20158,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,0
21562.04758,23767,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,0,1
19981.12791,24323,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,0
19425.84862,27839,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,0
19191.98962,29187,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,1
19641.7419,31324,Buick,Lesabre,Limited Sedan 4D,Sedan,6,3.8,4,1,1,1
25589.98315,2308,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,1,0
25098.62906,10014,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,1,0
23420.70695,18910,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,0,1
22661.04849,20105,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,0,0
23493.0823,20453,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,1,0
22435.20282,22287,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,1,1
21878.12,23237,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,1,0
23077.56591,23798,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,0,1
21698.01475,25489,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,1,1
21831.82292,25564,Buick,Park Avenue,Sedan 4D,Sedan,6,3.8,4,1,1,1
26831.19404,4695,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,1,0
26060.33535,9795,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,1,0
26781.81465,12052,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,1,0
26302.07428,13050,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,1,0
26190.27147,17335,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,0,1
25508.21096,17480,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,1,0
23348.01695,24027,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,0,1
23406.68982,25387,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,0,1
23159.54378,25869,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,0,0
21536.74173,37128,Buick,Park Avenue,Special Ed Ultra 4D,Sedan,6,3.8,4,1,1,1
51154.04722,2202,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,1,1
49248.15897,6685,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,0,1
46747.67327,15343,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,1,1
44130.61706,21341,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,0,1
44084.91421,21367,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,1,1
43892.46788,23371,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,0,1
44300.63996,23751,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,0,1
42677.60112,24052,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,0,1
43374.05242,25199,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,1,1
40619.07227,30082,Cadillac,CST-V,Sedan 4D,Sedan,8,5.7,4,1,1,1
33417.96501,6598,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
30957.08075,10625,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
31431.13037,11013,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
30781.51563,14937,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
30646.4377,17094,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
30792.14903,17870,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
30392.75016,18449,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
28817.08185,21039,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,0,1
29275.20871,21056,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
28040.12853,27484,Cadillac,CTS,Sedan 4D,Sedan,6,2.8,4,1,1,1
39801.55135,14095,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
40335.73731,14743,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
39307.00916,16041,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
38600.23956,17138,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
38445.89717,18661,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
36077.79612,21966,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
35866.58271,24415,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,1,1
35338.65369,25163,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
36154.30355,25339,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,1,1
34685.66298,25421,Cadillac,Deville,DHS Sedan 4D,Sedan,8,4.6,4,1,0,1
42820.32902,5499,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,0,1
41378.04809,8125,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,0,1
40856.3909,12791,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,1,1
41419.03726,14452,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,0,1
37510.25357,21593,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,0,1
37215.16938,22211,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,0,1
36332.89469,25153,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,0,1
36245.15823,26250,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,1,1
32954.14134,36074,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,0,1
32537.18675,41829,Cadillac,Deville,DTS Sedan 4D,Sedan,8,4.6,4,1,1,1
35715.76856,6447,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,0,1
35651.68002,10555,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,1,1
35129.34077,11975,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,1,1
35165.75937,13449,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,1,1
32501.24519,17508,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,0,1
33220.02845,18661,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,0,1
32509.47829,20910,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,0,1
31132.21349,23124,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,1,1
31181.71516,26222,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,0,1
31059.18103,27544,Cadillac,Deville,Sedan 4D,Sedan,8,4.6,4,1,1,1
42741.52367,2846,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,0,1
40966.60741,7476,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,1,1
38795.37909,13973,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,1,1
38297.46254,16754,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,0,1
37192.89637,19100,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,0,1
36210.123,21778,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,0,1
36633.63382,22042,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,1,1
35895.49941,23056,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,1,1
34974.37804,25796,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,1,1
32038.33956,35326,Cadillac,STS-V6,Sedan 4D,Sedan,6,3.6,4,1,1,1
48310.32954,788,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,0,1
48365.9809,2616,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,1,1
45061.95194,13829,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,1,1
44205.87588,15104,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,0,1
42377.95544,18581,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,0,1
41671.58314,20575,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,0,1
41516.42986,23861,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,1,1
41053.48217,25717,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,1,1
38208.50102,31303,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,1,1
39072.39205,31587,Cadillac,STS-V8,Sedan 4D,Sedan,8,4.6,4,1,0,1
70755.46672,583,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
68566.18719,6420,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
69133.73172,7892,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
66374.30704,12021,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
65281.48124,15600,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
63913.11725,18200,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
60567.54909,23193,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
57154.44344,29260,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
55639.08765,31805,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,0,1
52001.99438,42691,Cadillac,XLR-V8,Hardtop Conv 2D,Convertible,8,4.6,2,1,1,1
12146.18803,10011,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,0,1
12163.82042,12101,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,0,1
11472.02276,19699,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,0,1
11017.16871,20100,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,1,0
11096.85727,20334,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,1,0,0
10386.04022,22225,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,0,0
11137.04565,22484,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,1,1
11045.10884,24568,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,1,0,1
10777.05254,27906,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,0,0
9928.188175,29680,Chevrolet,AVEO,LS Hatchback 4D,Hatchback,4,1.6,4,0,0,1
12649.11089,3629,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,0,1,0
12314.59122,4142,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,0,1,0
11318.00809,11156,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,0,1,1
12409.94909,11981,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,1,1,1
11555.2674,13404,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,1,1,0
11700.11149,15253,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,1,0,0
11215.01865,19945,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,0,0,0
10144.95208,23963,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,1,1,0
10491.0752,30948,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,0,1,0
9954.054174,37345,Chevrolet,AVEO,LS Sedan 4D,Sedan,4,1.6,4,0,1,1
11031.12993,20156,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,0,1,1
11343.05401,20186,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,1,1,1
11391.21372,21421,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,0,1,1
11247.86253,21427,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,1,1,1
10921.94537,23119,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,0,1,1
11179.95357,23121,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,0,1,1
11394.8864,25107,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,0,1,1
11070.06064,25476,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,0,1,1
11013.87137,25746,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,1,1,1
11115.01364,30056,Chevrolet,AVEO,LT Hatchback 4D,Hatchback,4,1.6,4,1,1,1
11918.45607,7278,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,0,0
12408.80615,10213,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,0,1
11302.90299,14627,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,1,0
11615.02102,19014,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,1,1
10805.13009,21013,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,1,1,1
11169.91839,22380,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,1,0
10770.10655,25065,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,1,0
10872.01393,25869,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,0,0
10921.94537,27776,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,1,0,0
9919.048185,34621,Chevrolet,AVEO,LT Sedan 4D,Sedan,4,1.6,4,0,1,0
10813.34352,266,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,1,0,1
11167.861,4716,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,1,1,0
10897.07651,6699,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,0,1,1
10106.01643,14200,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,1,0,0
10354.04385,14521,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,0,1,0
10287.97736,16521,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,1,1,1
9720.97889,20836,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,1,1,0
9506.047937,22169,Chevrolet,AVEO,SVM Hatchback 4D,Hatchback,4,1.6,4,0,0,1
整個事情太大而無法發佈，但這應該足夠了。
我ui.R文件包含
library(shiny)
data <- read.csv("Amstat.csv", header = TRUE)
modelTypes <- unique(data$Model)
# Define UI for application that draws a histogram
shinyUI(fluidPage(
# Application title
titlePanel("Car prices"),
# Sidebar with a slider input for number of bins
sidebarLayout(
sidebarPanel(
selectInput("Model",
label = "Choose a Model to display",
choices = modelTypes),
selectInput("price",
label = "Choose a price",
choices = list("Left","Center", "Right"),
selected="CENTER")
),
# Show a plot of the generated distribution
mainPanel(
plotOutput("carpricePlot")
)
)
))
而且我server.r包含
library(shiny)
library(magrittr)
library(dplyr)
shinyServer(function(input, output) {
data <- read.csv("Amstat.csv", header = TRUE)
amstat1<-data %>% select(Type,Price,Model)%>% filter(Model == input$Model)
output$carpricePlot <- renderPlot({
plot(Model,
Price,
xlab="Model",
ylab="prirce",
pch=20)
})
})
當我嘗試運行應用程序，我得到一個錯誤信息
錯誤在filter_impl（.data，dots）中：不允許使用沒有 的活動響應環境。 （你試圖做一些只能從反應式表達或觀察者內部完成的事情。）
我沒有抓東西。在我嘗試學習的其他應用程序中學習閃亮我已經使用子集而不是過濾器完成了基本相同的事情......應該避免使用閃亮過濾器嗎？或者我做錯了什麼？那麼，顯然我做錯了什麼！
'$輸入可以Model'不是活性功能外使用（'renderPlot'IS反應函數，將包含'input $ Model'的代碼放在裏面 - 或者更好：在'renderPlot'中創建一個'reactive（）'） – HubertL
謝謝！我現在明白了。我試圖創建一個反應，但我已經把它放在錯誤的地方...在shinyServer但renderPlot之前。將它移到renderPlot內部清除它。但是，我仍然不清楚爲什麼使用過濾器時需要響應，而不是使用子集時。如果您將原始評論作爲答案，我會接受它。 – jerH
爲了將來的參考，使用dput共享數據集，以便人們可以複製和粘貼它來複制你的工作 – OganM