Web#Data wrangling with data.table. data.table open in new window (by Matt Dowle, Arun Srinivasan et. al.) is a package written in C to make high-performance data wrangling tasks a breeze.Despite being incredibly powerful, it is dependency free and has a rock-solid API. data.table code reliably works decades apart. # Installation Before continuing, make sure … WebThe foreach syntax for a varlist is different and starts with foreach x of varlist instead of foreach x in . Now for your code, you have three problems. First, locals are called starting with the "`" (key to the left of 1 on US keyboards) and ends with "'" (key to the left of enter on US keyboards). You seem to use the single quote on both sides.

Nested foreach loops - Statalist

Webforeach x in mpg weight-turn {:::} has two elements, mpg and weight-turn, so the loop will be executed twice. foreach x of varlist mpg weight-turn {:::} has four elements, mpg, weight, length, and turn, because list was given the interpretation of a varlist. foreach lname of varlist list {:::} gives list the interpretation of a varlist. The ... WebJan 4, 2024 · frame mysubset {foreach x of varlist _all {summ `x'}} This simple example shows how operations can be performed using the frames block: frame {some stata commands} michaels small wooden easels

Re: st: Renaming variables using foreach - Stata

WebNov 16, 2024 · foreach offers a way of repeating one or more Stata commands; see also … Webforeach x of varlist lnw age asq bmi hispanic black other asian schooling cohab married divorced // separated age_cl unsafe llength reg asq_cl appearance_cl provider_second asian_cl black_cl hispanic_cl // othrace_cl hot massage_cl {egen mean ‘x’=mean(‘x’), by(id) _ WebMar 13, 2024 · 如果你想要在 Stata 中循环遍历包含特定值的数据，你可以使用以下代码： foreach x of varlist * { if `x' == your_specific_value { // 执行你想要的操作 } } 这段代码会循环遍历你的数据集中的所有变量，并检查每个变量的值是否等于你所指定的特定值。 如果是，就会执行你 ... michaels smg.com