2014年1月14日
成绩的处理
摘要： #设置小数点后位数options(digits=2)name=c("John Davis","Angela Williams","Bullwinkle Moose", "David Jones","Janice Markhammer","Cheryl Cushing","Reuven Ytzrhak", "Greg Knox","Joel England","Mary Rayburn")math= 阅读全文
posted @ 2014-01-14 19:52 sxcww 阅读(218) 评论(0) 推荐(0)