Stata expand. com> wrote: > I was wondering how I could possibly expand the dataset below so one row corresponds to 1 observation: > > values_x abs_fr rel_fr > 0 30 0,238 > 1 51 Fast. Apr 22, 2014 · Dear Members, I am running Stata 12. How can I do so to make it a panel data keeping all the variables same throughout ? Description The region options set the size, margins, and color of the area in which the graph appears. So, thought about asking for your help. tsfill is not needed to obtain correct lags, leads, and differences when gaps exist in a series because Stata’s time-series operators handle gaps automatically. 2001 200 Bob May Jun 7, 2018 · Different individuals may have different numbers of records. expand abs_fr But you only need to do this if commands you need don't support frequency weights. to Nov 15, 2016 · The problem is that my Stata file is missing up to 2 years before each company went bankrupt. I need to merge individuals to group characteristics, by firstly duplicating each row of individual data set as many times as is given by `n_groups`. By using -expand-, you don't need explicit replication of the variables you simply want to bring along with you, just the recreation of the -t- variable. 1 for Mac. com> Re: st: bysort, forvalues and _N From: Constantin Alba <constantin. May 3, 2023 · The issue isn't whether some code can be written. 120700 would repeat twice, 120701 would not repeat, 120738 that already repeats three times would have another 5 repetitions per cluster, so 3x5 = 15. If your intent is to summarize data to understand them, you may need only these commands and not need collections. . Experience with data structures in Stata might lead readers to suggest a reshape long, which could be a good idea, but there is an easier alternative, to use expand. edu Oct 25, 2014 · I am currently trying to use the expand command in Stata to create a panel such that there is one observation per year for each member number (mnbr) between the indicators of hiredate and termdate. 2001 100 John Mar. help expand . This is where your dataset can get VERY BIG, as we are duplicating the observations to however many counts of event we have per company. I would like to add 2 new rows for each trade arrangement between countries - extending the years from 2015-2017. If the expression is less than 1 or equal to missing, it is interpreted as if it were 1, and the observation is retained but not duplicated. 描述 Jul 31, 2014 · Dear Statalist Forum, I want to expand observations by using the expand command; I want to make 5 duplicates, so that I have 6 observations instead of one: expand 5, gen (newobs) So far, so clear. Learn how to use Stata commands to create a new dataset based on all possible pairs of identifiers within each group in a dataset. mi expand replaces each observation in the dataset with n copies of the observation, where n is equal to the required expression rounded to the nearest integer. 2 2015 13 end I had a look at help expand but I am unsure that's what I need, since it does not take the by prefix. The 'eventcount' variable has been merged on to each stock observation, and tells Stata how many copies of that observation are needed. > > clear > inp id str14(yearenter yearexit) yearcont > 1 "10/80" "2/81" 81 > 1 "3/81" "4/81" 81 > 1 "11/85" "2/87" 87 > end > > foreach x of var yeare* { > g Jul 21, 2015 · I think that expand might be appropriate but I have not used this before and finding it challenging to understand how to tell stata to repeat the number of rows depending on the if there is data in v21 through to v28. Feb 21, 2025 · Now use Stata's 'expand' command to create the duplicate observations. For example, rather than having a missing observation for black females aged 20–24, we want to create an In Stata, the Results window holds up to 32000 bytes of information (output), after that, older output at the top of the buffer is replaced by new output when it appears at the bottom of the Results window. No actual indicator variables are created, so they don't count against the limit on the number of variables in your data set. Dec 23, 2016 · 以上的内容就是关于Stata网络爬虫技术的初步内容。 朝花夕拾，旧文重提，爬虫俱乐部将不定期回顾之前公众号中有用的文章，满足大家的需求。 References: st:-expand- to adjust according to the sampling weight From: Amanda Fu <mandy. com contract takes the dataset in memory and creates a new dataset containing all combinations of varlist that exist in the data and a new variable that contains the frequency of each combination. Based on the unique panel identifier I need to keep all the variables and their values as same throughout the years till 2021 from 2000. Learn how to use the expand command in Stata to create new observations from existing ones. xx nq smrzan dqy wxt5 jia xj265 yn6lcr llcaddx c6u