工作需要,得选择一段日期,和一定周期,生成日期序列和周期序列.暂时用七天为一个周期 data d; format date date9.; do date='04mar2018'd to'05may2018'd; week=(date-mod((date-'04mar2018'd),7)-'04mar2018'd)/7+1; output; end; run; 由于没有查到整除的函数,只能用取余曲线救国.…
Bitmap的文件格式: #define UINT16 unsigned short #define DWORD unsigned int #define WORD short #define LONG int // Bitmap File Header ( 14 Bytes ) typedef struct tagBITMAPFILEHEADER { UINT16 bfType; // same as BM in ASCII. DWORD bfSize; // the size of the…