foreach v of var * { cap destring `v', replace } end *** import excel "D:\Download\分地区国内生产总值表203338418\EIC_AreaGDPYear.xlsx", sheet("sheet1") firstrow clear A ren S year keep y AreaC AreaN GDP_PerCapita drop if AreaC < 100000 | AreaC == 540000 xtset AreaC y g ...
文字变量处理之数据类型转换Converting strings to numerics and vice versa（encode 、decode、 destring、...
clear * Rename variables rename v1 _id rename v2 x`i' * Check if x`i' is a string variable and convert it to numeric capture confirm variable x`i' is string if _rc == 0 { destring x`i', replace } * Replace
destring makes converting variables from string to numeric easier. net search searches the web for user-written additions to Stata, displays information and help files for these additions and allows these additions to be installed or uninstalled with just a mouse click. This facility provides direct...
destring/tostring字符变量和数字变量的转换15 dir显示当前目录下的文件信息3 display显示文字或者数据运算结果3 do执行命令文件5 drop删除变量或者对象7 duplicates重复数据处理14 E egen是generate的扩展形式16 encode/ decode变量类型转换6 expand数据伸缩,根据指令吧每个数据行复制n份来取代原来的数据行14 F foreach逐...
变量以及数据Variable and data types/Indicator or data variables 数据管理Data management 排序Order, aorder, and move 变量标签Variable Labels and Notes 数据转换Converting strings to numerics and vice versa(encode decode destring tostring 等) 数据横向合并和纵向合并Append and merge 数据生成Generating new ...
the statistical routines you will use assume that the data are organized in a certain way.For example,statistical commands that analyze longitudinal data,such as xtreg,generally require that the data be in long rather than wide form,meaning that repeated values are recorded not as extra variables...
文字变量处理之数据类型转换Converting strings to numerics and vice versa(encode 、decode、 destring、 tostring 等) 数据横向合并和纵向合并Append and merge(merge,包括一对一、一对多、多对一等合并,append、cross、joinby等,) 数据生成Generating new variables ...
挂指令Stata 十大 (类) 外挂指令 (to be added/revised) : 回归 (控制多重固定效应并允许多重聚类):(iv)reghdfe (linear regression absorbing multiple levels of fixed effects, allowingtwo- and multi-way clustering) 回归 (工具变量):(xt)ivreg2 (Extendedinstrumental variables/2SLS, GMM and AC/HAC...
By default, this includes "calculate" fields – but you can destring them later if you want, or remove them from the text_fields macro to not convert them at all. Labels variables and select_one values. Note that Stata can only label numeric values, so the template will only label ...