看帮助的选项的介绍啊。不会看帮助，不会用maunal是学不会stata的。
tostring y, replace format(%08.0f)
Title
[D] destring -- Convert string variables to numeric variables and vice versa
Syntax
Convert string variables to numeric variables
destring [varlist] , {generate(newvarlist)|replace} [destring_options]
Convert numeric variables to string variables
tostring varlist , {generate(newvarlist)|replace} [tostring_options]
destring_options Description
-------------------------------------------------------------------------------------
* generate(newvarlist) generate newvar_1, ..., newvar_k for each variable in
varlist
* replace replace string variables in varlist with numeric variables
ignore("chars") remove specified nonnumeric characters
force convert nonnumeric strings to missing values
float generate numeric variables as type float
percent convert percent variables to fractional form
dpcomma convert variables with commas as decimals to period-decimal
format
-------------------------------------------------------------------------------------
* Either generate(newvarlist) or replace is required.
tostring_options Description
-------------------------------------------------------------------------------------
* generate(newvarlist) generate newvar_1, ..., newvar_k for each variable in
varlist
* replace replace numeric variables in varlist with string variables
force force conversion ignoring information loss
format(format) convert using specified format
usedisplayformat convert using display format
-------------------------------------------------------------------------------------
扫码加好友，拉您进群
全部版块
我的主页
收藏
