统计软件SAS教程 SAS练习.docx
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统计软件SAS教程 SAS练习.docx
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统计软件SAS教程SAS练习
libnamedy'd:
\dzwj';
datady.by_student;
procprintdata=dy.c9501;
bysex;/*分类*/
run;
procprint;
run;
(女性一栏无法输出,并且满足条件的男性没有输出来)
libnamedy'd:
\dzwj';
datady.sum_bkmoney;
procprintdata=dy.bkmoneynoobs;
sumamount;/*sum函数求和*/
run;
libnamedy'd:
\dzwj';
procsortdata=dy.c9501;
byname;
procsortdata=dy.bkmoney;
byname;
datady.c9501bk;
mergedy.c9501dy.bkmoney;/*merge横向合并*/
byname;
run;
procsortdata=dy.c9501bk;
bysex;
procprintdata=dy.c9501bk;
bysex;
sumamount;
run;
libnamedy'd:
\dzwj';
datady.table_c9501bk;
proctabulatedata=dy.c9501bk;/*tabulate分类汇总*/
classsex;
varamount;
tablesex,amount;
run;
procprint;
run;
(出现乱码)
libnamedy'd:
\dzwj';
datady.meanstd_c9501;
proctabulatedata=dy.c9501bk;
classsex;
varmathchinese;
tablesex,(mathchinese)*(meanstd);/*求变量的均值*/
run;
procprint;
run;
libnamedy'd:
\dzwj';
datady.meanstd_c9501;
proctabulatedata=dy.c9501bk;
classsex;
varmathchinese;
tableallsex,(mathchinese)*(meanstd);/*求所有的变量的均值*/
run;
procprint;
run;
libnamedy'd:
\dzwj';
datady.meanstd_c9501;
proctabulatedata=dy.c9501bk;
classsex;
varmathchinese;
table(sexall)*(NPCTN);/*频数分布*/
run;
procprint;
run;
libnamedy'd:
\dzwj';
datady.meanstd_c9501;
proctabulatedata=dy.c9501bk;
classsex;
varmathchinese;
table(sexall)*math*(meanstd);/*指定变量math的均值和方差*/
run;
procprint;
run;
libnamedy'd:
\dzwj';
datady.meanstd_c9501;
proctabulatedata=dy.c9501bk;
classsex;
varmathchinese;
table(sexall),(mathchinese)*(meanstd);/*统计量加标签*/
keylabelmean='平均值'std='标准差'all='总计';
labelsex='性别'math='数学'chinese='语文';
run;
procprint;
run;
libnamedy'd:
\dzwj';
datady.meanstd_c9501;
proctabulatedata=dy.c9501bk;
classsex;
varmathchinese;
table(sexall='总计'),(mathchinese)*(mean='平均值'std='标准差');/*统计量加标签,标签加在其中*/
labelsex='性别'math='数学'chinese='语文';
run;
procprint;
run;
(结果如上图所示)
libnamedy'd:
\dzwj';
datady.by_sex;
procsortdata=dy.c9501;
bysex;
run;
procprint;
run;
libnamedy'd:
\dzwj';
datady.by_sex;
procsortdata=dy.c9501;
bysexdescendingmath;
run;
procprint;
run;
(矩阵的转置没有实现,165页)
libnamedy'd:
\dzwj';
datady.means_c9501;
procmeansdata=dy.c9501;/*描述性统计*/
run;
procprint;
run;
libnamedy'd:
\dzwj';
datady.freq_c9501;
procfreqdata=dy.c9501;/*求频率和累计值*/
tablessex;
run;
procprint;
run;
第五章多元统计分析
主分量分析:
LIBNAMEdy'd:
\dzwj';
DATAdy.TEMPERAT;
INPUTCITY$JANUARYJULY;
CARDS;
MOBILE10.727.6
PHOENIX10.732.9
LITTLEROCK4.227.4
SACRAMENTO7.324.0
DENVER-1.222.8
HARTFORD-4.022.6
WILMINGTON0.024.3
WASHINGTONDC2.025.9
JACKSONVILLE12.627.2
MOBILE10.727.6
PHOENIX10.732.9
LITTLEROCK4.227.4
SACRAMENTO7.324.0
DENVER-1.222.8
HARTFORD-4.022.6
WILMINGTON0.024.3
WASHINGTONDC2.025.9
JACKSONVILLE12.627.2
SIOUXFALLS-9.922.9
MEMPHIS4.726.4
NASHVILLE3.526.4
DALLAS7.129.3
ELPASO6.427.9
HOUSTON11.228.5
SALTLAKECITY-2.224.8
BURLINGTON-8.421.0
NORFOLK4.725.7
RICHMOND3.125.5
SPOKANE-3.720.9
CHARLESTON,WV1.423.9
MILWAUKEE-7.021.1
CHEYENNE-3.020.6
;
PROCPRINCOMPCOVOUT=PRIN;/*主分量也就是主成分的意思,out保护原始数据和主分量得分的数据集从协方差阵出发计算主分量*/
VARJULYJANUARY;
RUN;
libnamedy'd:
\dzwj';
datady.crime;
title'各州每十万人的犯罪率';
INPUTSTATE$MURDERRAPEROBBERYASSAULT
BURGLARYLARCENYAUTO;
CARDS;
ALABAMA14.225.296.8278.31135.51881.9280.7
ALASKA10.851.696.8284.01331.73369.8753.3
ARIZONA9.534.2138.2312.32346.14467.4439.5
ARKANSAS8.827.683.2203.4972.61862.1183.4
CALIFORNIA11.549.4287.0358.02139.43499.8663.5
COLORADO6.342.0170.7292.91935.23903.2477.1
CONNECTICUT4.216.8129.5131.81346.02620.7593.2
DELAWARE6.024.9157.0194.21682.63678.4467.0
FLORIDA10.239.6187.9449.11859.93840.5351.4
GEORGIA11.731.1140.5256.51351.12170.2297.9
HAWAII7.225.5128.064.11911.53920.4489.4
IDAHO5.519.439.6172.51050.82599.6237.6
ILLINOIS9.921.8211.3209.01085.02828.5528.6
INDIANA7.426.5123.2153.51086.22498.7377.4
IOWA2.310.641.289.8812.52685.1219.9
KANSAS6.622.0100.7180.51270.42739.3244.3
KENTUCKY10.119.181.1123.3872.21662.1245.4
LOUISIANA15.530.9142.9335.51165.52469.9337.7
MAINE2.413.538.7170.01253.12350.7246.9
MARYLAND8.034.8292.1358.91400.03177.7428.5
MASSACHUSETTS3.120.8169.1231.61532.22311.31140.1
MICHIGAN9.338.9261.9274.61522.73159.0545.5
MINNESOTA2.719.585.985.81134.72559.3343.1
MISSISSIPPI14.319.665.7189.1915.61239.9144.4
MISSOURI9.628.3189.0233.51318.32424.2378.4
MONTANA5.416.739.2156.8804.92773.2309.2
NEBRASKA3.918.164.7112.7760.02316.1249.1
NEVADA15.849.1323.1355.02453.14212.6559.2
NEWHAMPSHIRE3.210.723.276.01041.72343.9293.4
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