使用sas的p样条/ * p样条的应用方法* /
/ *第一步：加载并打开数据* /
％web_drop_table（WORK.arwa）;
文件名参考文件'D：/Rdata/arwanew.xlsx';
PROC导入DATAFILE = REFFILE dbms = xlsx
out = work.arwa; getnames =是;
跑;
PROC CONTENTS DATA = WORK.arwa;
跑;
％web_open_table（WORK.arwa）;
/ *惩罚样条优先方法* /
proc transreg data = WORK.arwa;
模型身份（yi）= pbspline（xi）; / * AICC标准* /
跑;
黄土处理数据= WORK.arwa;
yi = xi;
跑;
/ *惩罚样条第二种方法* /
proc tpspline data = WORK.arwa;
yi =（xi）模型;
跑;
/ *绘图结果* /
proc sgplot data = WORK.arwa;
pbspline x = xi y = yi;
黄土x = xi y = yi / nomarkers; / *使用PRESEARCH选项* /
跑;
探索性数据分析
