聚类分析练4习题

1 根据调查得到某地42所学校的数据如下：单位占地面积（m2）建筑面积（m2）教师总数学生总数学校12088562.0542434学校210344.84755761279学校32700410056820学校43967375167990学校55850.246173.25781241学校61803.265224.99721180学校72165239147671学校8383838151041400学校92268801156800学校1098093000901597学校112996388961745学校1228863372651722学校1332000180002002000学校1411842111061432006学校157610531069790学校1620518308671882658学校177860831377852学校18557055791031350学校191960086001081490学校2013351.4787841902580学校219534124461421800学校2242080195001872609学校232000210062332学校2479287024961267学校2526000150001602000学校2612371121731281634学校2785616556102714学校2811842111061632904学校29188508332851196学校3025244105351251400学校311000085002003700学校321503795231331500学校33657978571432285学校3430094250271752623学校354238.738522.381301200学校361084683772002300学校3727282.2521614.042002400学校3840000130001511800学校3953333.3160002242132学校406000050000360200学校41300002001100学校42600004202552试将这些学校分类。216种饮料的热量、咖啡因、钠及价格四种变量数据如下表： 饮料编号热量咖啡因钠价格1207.203.3015.502.80236.805.9012.903.30372.207.308.202.40436.70.4010.504.005121.704.109.203.50689.104.0010.203.307146.704.309.701.80857.602.2013.602.10995.90.008.501.3010199.0.0010.603.501149.808.006.303.701216.604.706.301.501338.503.707.702.0014.004.2013.102.2015118.804.707.204.1016107.00.008.304.20试将这些饮料分类。320种啤酒的成分和价格数据如下表：beernamecaloriesodiumalcoholcost Budweiser 144.0019.004.70.43 Schlitz 181.0019.004.90.43 Ionenbrau 157.0015.004.90.48 Kronensourc 170.007.005.20.73 Heineken 152.0011.005.00.77 Old-milnaukee 145.0023.004.60.26 Aucsberger 175.0024.005.50.40 Strchs-bohemi 149.0027.004.70.42 Miller-lite 99.0010.004.30.43 Sudeiser-lich 113.006.003.70.44 Coors 140.0016.004.60.44 Coorslicht 102.0015.004.10.46 Michelos-lich 135.0011.004.20.50 Secrs 150.0019.004.70.76 Kkirin 149.006.005.00.79 Pabst-extra-l 68.0015.002.30.36 Hamms 136.0019.004.40.43 Heilemans-old 144.0024.004.90.43 Olympia-gold- 72.006.002.90.46 Schlite-light 97.007.004.20.47试将这些啤酒分类。450名学生参加10个测验项目的测试数据如下表：学生编号X1X2X3X4X5X6X7X8X9X1018.25.73414622139922527.84.03614692230101913310.05.0371557242311211449.04.535143020261219958.04.030114317189121067.76.3331435223210191477.34.721143724199131288.76.0331457243412201498.24.72814291923101612108.24.53215332030121613117.23.5261164192081510127.75.726132925348128137.36.02812442419111410147.77.03114282417102013157.54.235134520149149167.74.23113311930111315177.74.03614502543918131810.54.53015512441122214197.56.83815592434102016207.75.22915652627101416217.25.519132019266125228.74.32211451736699237.24.7271349182391412248.35.325135218218134257.35.5221333142081412267.86.83213402634111816278.75.72515402126101215286.35.522155924105117298.55.815146021178137307.75.23013572325111613318.85.3251443192091512326.34.82714411825101913337.86.7271437223081416348.85.227146115217159356.33.5231517181491115368.25.7271445163091614378.86.72815732441101014388.03.8241230171491312397.06.32916412024132115407.77.22616431921111516417.06.5231525151791210428.24.52715262137121414439.77.03415532631111616447.53.72213171