discriptive2.sas

本书详细讲解了sas的使用基础以及编程基础

data weight;
infile 'd:\data\tomhs.dat';
input ptid $ clinic $ age sex height weight chol bmi;
run;

PROC FREQ DATA=weight;
 TABLES sex clinic ;
 TITLE '病人在各医院和性别的频率分布';
RUN;
PROC FREQ DATA=weight;
 TABLES clinic/ NOCUM ;
 TITLE '病人在各医院的频率分布';
 TITLE2 '(无累积频率和累积％数)';
RUN;

PROC FREQ DATA=weight;
 TABLES sex*clinic ;
 TITLE '医院和性别变量的复合表';
RUN;

PROC CHART DATA=weight;
 VBAR clinic / TYPE=PERCENT ;
 TITLE '医院变量的竖直条形图';
RUN;
PROC CHART DATA=weight;
 HBAR clinic/ TYPE=PERCENT;
 TITLE '医院变量的水平条形图';
RUN;
PROC GCHART DATA=weight;
 VBAR clinic / TYPE=PERCENT ;
 TITLE '医院变量的竖直条形图';
RUN;
PROC GCHART DATA=weight;
 HBAR clinic/ TYPE=PERCENT;
 TITLE '医院变量的水平条形图';
RUN;

PROC CHART DATA=weight;
 VBAR clinic / SUMVAR=chol TYPE=MEAN;
 TITLE '各医院病人的平均胆固醇（Cholesterol）水平';
 run;


 * X-Y plot on line printer;
PROC PLOT DATA=weight;
 PLOT bmi*age;
 WHERE sex = 2;
 TITLE 'Plot of BMI and Age for Women';
RUN;

* X-Y plot high resolution;

PROC GPLOT DATA=weight;
 PLOT bmi*age;
 WHERE sex = 2;
 TITLE 'Plot of BMI and Age for Women';
RUN;
*简单线性回归;
PROC REG DATA=weight ;
 MODEL bmi=age;
 WHERE sex = 2;
 PLOT bmi*age;
 TITLE 'Simple Linear Regression';
RUN;


quit;