Egen y group x
WebIf we start with a variable x, and generate a variable x*, the process is: x* = (x-m)/sd Where m is the mean of x, and sd is the standard deviation of x. To illustrate the process of standardization, we will use the High School and Beyond dataset (hsb2). We will create standardized versions of three variables, math, science, and socst. Webbysort industry year: egen av_x = mean(x) sort av_x, stable gen g_x = group(10) …… 2.1 同类问题 其实,当分组变量本身存在较多重复值时, egen 命令提供的 pctile() 函数,以 …
Egen y group x
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WebEquivalent for Stata's egen group () function. df = data.frame (id = c (1,1,1,2,2,2,3,3,3), time = c (1,2,3,1,2,3,1,2,3), x = c (8,8,9,7,7,7,7,7,8), id_x = c (1,1,2,3,3,3,4,4,5)) I want to … WebYou can use the by function to create variables within groups, but in order to use by you must sort before hand. Thus, we recommend to use bysort instead. Bysort and gen/egen bysort combined with gen/egen is probably one of the most useful command combinations when cleaning and creating outcomes.
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WebMar 30, 2024 · • 关于egen y=group(x*)命令的正确解释及其解决 • 按VAR1进行分组,我想知道每组中VAR2中共有多少不同的取值,egen+group不能与by连用。 • 已经解 … WebJun 3, 2024 · Convert Stata "egen, group" to SAS. I am trying to find the equivalent of the Stata code "egen group" in SAS. The goal is: I have three variables x, y, and z. I want to …
Web2 days ago · 关于egen y=group (x*)的解释有两个:. (1)将x*的观测值视为n维数组。. 对该数组的各种“取值组合”用自然数进行编号。. 比如样本中,x*有苹果,梨子,桃子,我 …
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