阐述Stata中“generate”命令与“replace”命令的区别。相关知识点: 试题来源: 解析 答案:“generate”命令用于创建新变量,而“replace”命令用于修改现有变量的值。两者都可以生成或替换变量,但“generate”通常用于创建新的变量,而“replace”用于更新或改变现有变量的值。
在Stata中,encode和destring都是将字符型变量转换为数值型变量的常用命令,但是二者有区别。encode是给字符型变量重新编码,而不是将原来的以字符型存储的数值变量转换为真正意义上的数值变量,encode会自动根据文字类别进行编号,并设定相应的[数字-文字对应表]。 例:destring region,replace //显示region包含非数字字符,没...
In fact, inside Stata, generate and replace have the same code. Because Stata is an interactive system, we force a distinction between replacing existing values and generating new ones so that you do not accidentally replace valuable data while thinking that you are creating a new piece of ...
nopromote prevents replace from doing this; instead, the replacement values are truncated to fit the current storage type. permanently specifies that, in addition to making the change right now, the new limit be remembered and become the default setting when you invoke Stata. ...
permanently: 指定除了立即进行更改外,还要记住新限制并在调用Stata 时成为默认设置。 generate and replace generate and replace 分别用于创建新变量和修改现有变量的内容。尽管这些命令执行相同的操作,但是它们有不同的名称,因此您不会意外地替换数据中的值。表达式的详细描述在[U]13 Functions and expressions 中给出...
> replace close2 = 1283.27 in 1 /// assign the first value > replace close2 = close2[_n-1]+change /// try to recover the level > > This last step fails. > > I'd appreciate your help very much. > > -- > Patrick Toche. * * For searches and help try: * http://www....
Before Stata <14includedid not offeradopathoption. The solution was to simply replace such calls with cap findfile reghdfe5.mata include "`r(fn)'" cap findfile reghdfe.mata include "`r(fn)'" in the respective.adofiles. To avoid expensive file lookups, one might reference theadopathdir...
Try this - find this line in the ZStats.ini: GroupByField=Filename (path) And replace it with: GroupByField=Artist - Album (Year) Regarding the artist stats... strange. I would need to see your DB, if you care to share it.
bysort panelid (time) : replace level = level[_n-1] * (1 + pcchange / 100) if _n > 1 Nick * * For searches and help try: *http://www.stata.com/help.cgi?search*http://www.stata.com/support/faqs/resources/statalist-faq/*http://www.ats.ucla.edu/stat/stata/...
Options for icd10cm clean generate(newvar) and replace specify how the formatted values of varname are to be handled. You must specify either generate() or replace. generate() specifies that the cleaned values be placed in the new variable specified in newvar. replace specifies that the ...