數(shù)據(jù)分析實(shí)驗(yàn)報(bào)告

數(shù)據(jù)分析》實(shí)驗(yàn)報(bào)告班級：07信計(jì)0班學(xué)號：姓名：實(shí)驗(yàn)日期2010-3-11實(shí)驗(yàn)地點(diǎn)：_實(shí)驗(yàn)樓505實(shí)驗(yàn)名稱：樣本數(shù)據(jù)的特征分析使用軟件名稱：MATLAB實(shí)

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的2.熟練掌握jbtest與lillietest關(guān)于一元數(shù)據(jù)的正態(tài)性檢驗(yàn)；3?掌握統(tǒng)計(jì)作圖方法；4.掌握多元數(shù)據(jù)的數(shù)字特征與相關(guān)矩陣的處理方法;安徽省1990-2004年萬元工業(yè)GDP廢氣排放量、廢水排放量、固體廢物排放量以及用于污染治理的投入經(jīng)費(fèi)比重見表6.1.1,解決以下問題：表6.1.1廢氣'廢水'固體廢物排放量及污染治理的投入經(jīng)費(fèi)占GDP比重年份萬元工業(yè)GDP廢氣排放量萬元工業(yè)GDP固體物排放量萬元工業(yè)GDP廢水排放量環(huán)境污染治理投資占GDP比重（立方米）（千克）（噸）(%)1990104254.40519.48441.65000476.97398.190.26實(shí)199289317.41119.45332.140.23驗(yàn)199363012.4267.93203.910.20內(nèi)容199445435.047.86128.2004212.45113.390.22199639874.1913.2487.1208537.9776.980.21199835270.7945.3659.680.11199935200.7634.9360.820971.8257.350.19200140348.431.1753.060.11200240392.960.1650.960.12200337237.130.0543.940270.0636.900.131?計(jì)算各指標(biāo)的均值、方差、標(biāo)準(zhǔn)差、變異系數(shù)以及相關(guān)系數(shù)矩陣；2?計(jì)算各指標(biāo)的偏度、峰度、三均值以及極差；3?做出各指標(biāo)數(shù)據(jù)直方圖并檢驗(yàn)該數(shù)據(jù)是否服從正態(tài)分布？若不服從正態(tài)分布，利用boxcox變換以后給出該數(shù)據(jù)的密度函數(shù)；4.上網(wǎng)查找1990-2004江蘇省萬元工業(yè)GDP廢氣排放量，安徽省與江蘇省是否服從同樣的分布？程序如下：clear;clcformatbank%保留兩位小數(shù)%%%%%%%%%%%%%%%%安徽省數(shù)據(jù)%%%%%%%%%%%%%%%%%%A=[104254.40519.48441.650.1894415.00476.97398.190.2689317.41119.45332.140.2363012.4267.93203.910.2045435.047.86128.200.1746383.4212.45113.390.2239874.1913.2487.120.1538412.8537.9776.980.2135270.7945.3659.680.1135200.7634.9360.820.1535848.971.8257.350.1940348.431.1753.060.1140392.960.1650.960.1237237.130.0543.940.1534176.270.0636.900.13]%計(jì)算各指標(biāo)的均值、方差、標(biāo)準(zhǔn)差、變異系數(shù)、偏度、峰度以及極差A(yù)1=[mean(A);var(A);std(A);std(A)./mean(A);skewness(A,O);kurtosis(A,0)-3;range(A)]%三均值A(chǔ)2=[1/41/21/4]*prctile(A,[255075])%計(jì)算各指標(biāo)的相關(guān)系數(shù)矩陣A3=corrcoef(A)%做出各指標(biāo)數(shù)據(jù)直方圖subplot(221),histfit(A(:,1),8)subplot(222),histfit(A(:,2),8)subplot(223),histfit(A(:,3),8)subplot(224),histfit(A(:,4),7)%檢驗(yàn)該數(shù)據(jù)是否服從正態(tài)分布fori=1:4[h(i),p(i),lstat(i),cv(i)]=lillietest(A(:,i),0.05);endh,p%計(jì)算出前三列不服從正態(tài)分布，利用boxcox變換以后給出該數(shù)據(jù)的密度函數(shù)[t1,I1]=boxcox(A(:,1))[t2,I2]=boxcox(A(:,2))[t3,I3]=boxcox(A(:,3))%%%%%%%%%%%%%%%%江蘇省數(shù)據(jù)%%%%%%%%%%%%%%%%%J=[5047.0024.232234.005730.0024.002077.005352.0022.492450.005202.0021.162323.005772.1421.162725.007872.1122.022883.007450.8121.972891.008164.2422.012857.007487.8520.292944.008353.9320.112896.009078.2020.193038.0013343.9927.103553.0014286.4626.303796.0014632.6924.753893.7017818.4226.354672.5320196.5829.635757.37]%檢驗(yàn)該數(shù)據(jù)是否服從正態(tài)分布fori=1:3[h1(i),p1(i),lstat1(i),cv1(i)]=lillietest(J(:,i),0.05);endh1,p1%計(jì)算出第一、三列不服從正態(tài)分布，利用boxcox變換以后給出該數(shù)據(jù)的密度函數(shù)[t11,I11]=boxcox(J(:,1))[t33,I33]=boxcox(J(:,3)1?各指標(biāo)的均值、方差、標(biāo)準(zhǔn)差、變異系數(shù)、偏度、峰度、極差和三均值如下表：指標(biāo)數(shù)字特征萬元工業(yè)GDP廢氣排放量(m3)萬元工業(yè)GDP固體物排放(kg)萬元工業(yè)GDP廢水排放量(t)環(huán)境污染治理投資占GDP比重(％)均值51972.0089.26142.950.17方差577053049.9028703.4718645.500.00標(biāo)準(zhǔn)差24021.93169.42136.550.05變異系數(shù)0.461.900.960.27偏度1.442.251.440.29

4?經(jīng)檢驗(yàn)可知：江蘇省萬元工業(yè)GDP廢氣排放量、固體廢物排放量數(shù)據(jù)不服從正態(tài)分布，而廢水排放量服從正態(tài)分布。附：表1990-2005年萬元工業(yè)GDP廢氣排放量、廢水排放量、固體廢物排放量時間工業(yè)廢氣排放量（億立方米）工業(yè)廢水排放量（億噸）工業(yè)固體廢物排放量（萬噸）19905047.0024.232234.0019915730.0024.002077.0019925352.0022.492450.0019935202.0021.162323.0019945772.1421.162725.0019957872.1122.022883.0019967450.8121.972891.0019978164.2422.012857.0019987487.8520.292944.0019998353.9320.112896.00200090