Stata allows users to extend its functionality through external packages, and if the package is missing or incompatible, it may result in the "stata stat is unrecognized" error. Now that we have understood the potential causes of the "stata stat is unrecognized" error, let's move on to the...
eliminates the need for a separate procedure to restrict data to common empirical support, meets the congruence principle, is robust to measurement error, works well with multiple imputation methods for missing data, can be completely automated, and is ...
Stata检查唯⼀识别符是否唯⼀的命令为isid(或许是is this an ID的缩写)。isid允许同时检查多个唯⼀识别符，如果没有返回值，就说明是唯⼀的(没有消息就是好消息);如果不唯⼀，就会出现红⾊提⽰variable *** does not uniquely identify the observations。如采⽤下⾯例⼦中的查重⽅式:isid ...
This command sequence exploits the fact thatmax(y1, y2)is nonmissing whenever one of the values is. If both values are missing, we do not lose out really, since some missings are just overwritten by missings. You could writemin(y1, y2)if that made you feel more comfortable. (Why is...
Another way of using the same idea is to phrase matters in terms ofsum(!mi(response)). That starts at 0 if the first value ofresponseis missing (because it is not [not missing]) and remains 0 so long as values are missing. It starts at 1 if the first value ofresponseis indeed no...
Mata is a component of Stata. It is a matrix programming language that can be used interactively or as an extension for do-files and ado-files. Thus 1. Mata can be used by users who want to think in matrix terms and perform (not necessarily simple) matrix calculations interactively, and...
32、not “.”) if x is missing, meaning that int(.a) = .a 。 One way to obtain the closest integer to x isint(x+sign(x)/2), which simplifies to int(x+0.5) for x0. However, use of the round() function ispreferred-可编辑修改 -_任何两种软件之间的数据转换,有一种方法是人挡杀...
See Description below for a summary of mi data and these commands.See[MI]Glossary for a definition of terms.To import data that already have imputations for the missing values(do not mi set the data)mi import import mi data mi export export mi data to non-Stata application Once data ...
这个文件丢失了，建议还是装10的吧，基本功能一样的
Mata is a component of Stata. It is a matrix programming language that can be used interactively or as an extension for do-files and ado-files. Thus 1. Mata can be used by users who want to think in matrix terms and perform (not necessarily simple) matrix calculations interactively, and...