麻烦问一下各位一个问题,我的SAS出了一个故障,当用proc means 处理比较大的数据的时候(例如30M的records) 当计算 median 的时候结果输出的median的值是“.” log里面没有error 信息 这是出了什么bug么
麻烦各位大大帮忙解答一下
My SAS program encountered a problem: when procmeans is used to calculate median of a variable with huge number of recordse.g. 30M records. The proc median outputs ‘.’ as the median, i.e., it fails tocalculate it.
HI
you can just create a single variable dataset containing 20M data point and then
proc means data=inds;
var variable;
output out=outds mean= p50= / autoname;
run;
The outds contain mean result but p50 is null.