EpiData is a program for entering and documenting data. Use EpiData when you have collected data on paper and you want to do statistical analyses or tabulation of data. Basic frequency tables and lists of data can be made, but other than that Epi

用于问卷数据的处理，录入，质检，导出为EXCEL、sas等格式，方便后期数据分析。(For the processing of questionnaire data, input, quality inspection, export for EXCEL, SAS and other formats, convenient for later data analysis.)