By the way, Stata could already import and export Excel files; see [D] import excel. 14. Searching is better. Here's why: a. Help > Search... and the search command now default to searching the Internet as well as Stata's local keyword database. If you do not want that, type ...
stata中summarize所计算出来的峰度skewness和偏度kurtosis有问题,与ECELL和SPSS有较大差异,建议不采用stata的结果。 summarize var1 [aweight = var2], detail (求取分组数据的统计量,var1为各组的赋值,var2为每组的频数) tabstat X1,stats(mean n q max min sd var cv) (计算变量X1的算术平均值、样本量、...