Gen count stata

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WebCount unique values in Stata. codebook is a great command in Stata. It describes data contents but also simply identifies unique values. Number of unique values of mpg is 21. … WebAug 16, 2015 · egen count_of_1s = rowtotal (`varlist') if `v' == 1. I turned from count to summing because I thought this is a sneaky way out of the problem. I could change the values from 0,1 to 1, 2, then sum all the two values separately in two different variables and then divide accordingly in order to get the actual count of 1 or 2 per row.

count if function - Statalist

WebAug 31, 2013 · 1 Answer. Sorted by: 3. You can easily cut out the loop over observations. In addition, egen is only to be used for convenience, never speed. gen _count = 0 quietly forval j = 1/6 { replace _count = _count + (move`j' == playerlist) } or. gen _count = move1 == playerlist quietly forval j = 2/6 { replace _count = _count + (move`j' == playerlist) } WebApr 9, 2024 · 方法二：先设置指定工作地址再导入. 设置指定工作地址. cd "指定工作地址". 调用工作地址dta文件. use AAAA.dta, clear. 调用工作地址excel文件. import excel … how to get rotom phone case

Creating variable with egen count() and conditions

WebMay 27, 2024 · Skip to the content following this video. If a gen command has an if condition, the resulting variable will (and must) still exist for all observations. However it will be assigned a missing value for observations where the if condition is not true. If a replace command has an if condition, observations where the if condition is not true will be left … WebNov 16, 2024 · This command puts the observations in the order of oldid . . by oldid: gen newid = 1 if _n == 1 This command creates a new variable newid that is 1 for the first observation for each individual and missing otherwise. _n is the Stata way of referring to the observation number; in a 10-observation dataset, _n takes on the values 1, 2, ..., 10. WebNov 16, 2024 · gen seq = int ( (_n-1)/2) +1. Again, it is valuable to experiment with using _n instead of _n-1 and also eliminating the + 1 at the end. You can also multiply the right … how to get rotom in shining pearl

Count unique values in Stata - Stack Overflow

stata - Creating a new variable that counts number of variables whose ...

WebJul 11, 2024 · 2. Uses egen count() with by, to create two new variables recording the raw number of employed / unemployed people in the region. 3. Creates a fifth new variable, … WebIn Stata you can create new variables with generate and you can modify the values of an existing variable with replace and with recode. Computing new variables using generate … johnny depp\u0027s text messages to amberWebOct 11, 2024 · I am trying to create a new variable that counts the number of temperature variables whose value falls within a certain range of the temperature. For example, my data looks like this - Data sample. I would like to create a new variable that counts the number of days where the temperature was within 30°C - 31.9°C. how to get rotten chunks terraria

"WebBysort and gen/egen. bysort combined with gen/egen is probably one of the most useful command combinations when cleaning and creating outcomes. Notice that your data set will be sorted by all the variables (including those in parenthesis) you specify. But you will create new variables by only what variables you specify outside the parenthesis. " - Gen count stata

Gen count stata

WebAug 5, 2016 · Assuming your variable clinicdate is a date variable: Create a variable containing the year, and include this in your bysort statement: Code: generate year=year (clinicdate) bysort id year (clinicdate) : generate j2=_n bysort id year (clinicdate) : generate N2=_N. If it is not, convert clinicdate to a date variable beforehand: WebTo do this, you will need to set the seed. The seed is the number with which Stata (or any other program) starts its algorithm to generate the pseudo-random numbers. If you do …

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WebNov 16, 2024 · Stata Journal readers can find a self-contained tutorial on by (Cox 2002). We also need an understanding that true and false conditions evaluate numerically to 1 and … WebGenerate newv4 equal to the number of nonmissing numeric values across v1, v2, and v3 for each observation egen newv4 = rownonmiss(v1 v2 v3) As above, but allow string values egen newv4 = rownonmiss(v1 v2 v3), strok Generate newv5 as the concatenation of numeric v1 and string v4 separated by a space egen newv5 = concat(v1 v4), punct(" ") …

WebApr 11, 2016 · for example before using this command: (by Year: count if Temperature>0) Stata requires me to use "sort Year". This command arranges my Year data in ascending order. I do not want this change in my data actually. Therefore my questions is whether there is another way to do it ? Webgenerate for creating new variables. It has a minimum abbreviation of g. replace for replacing the values of an existing variable. It may not be abbreviated because it alters …

WebNov 19, 2013 · (1) -egen-'s -count ()- function just counts how often -- in your example -- the result of evaluating timedispatch<= timecreate [_n] & timedispatch +53<= timecreate [_n] … WebNov 22, 2010 · Thanks Abdon its worked for me -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Mitch Abdon Sent: Monday, November 22, 2010 2:01 PM To: [email protected] Subject: Re: st: FW: Generating a counter variable Hi, …

WebI used the following two lines of code: egen count_obsv = tag (loc_ID year) This adds a counter to my dataset ( count_obsv) which is 1 (and 0 for every element that has the same combination of loc_ID and year) for every new combination. Then I use: collapse (sum) count_obsv, by (loc_ID year)

WebNov 16, 2024 · This command puts the observations in the order of oldid . . by oldid: gen newid = 1 if _n == 1 This command creates a new variable newid that is 1 for the first … johnny depp\u0027s new lookWeb3. A convenient alternative is provided by the "unique" package. Here's a quick example: * Install the unique package ssc inst unique * Load toy dataset sysuse auto, clear * Get a quick report of unique (and total) values for a variable unique mpg * The result will be available as r (unique) return list. Share. how to get rotten dog tooth calamityWebMay 3, 2024 · Feed to egen, total () a true-or-false expression and the result will be the count of observations for which the expression is true (1); arguments that are false (0) are ignored in the sense that they make no difference to the sum. bysort companyid year : egen wanted1 = total (loan_amt > 0) bysort companyid year : egen wanted2 = total (loan_amt ... johnny depp\u0027s yacht for saleWebSimple random sample in Stata. In this example, we are taking a simple random sampling of schools. After loading the data set into Stata, we will use the count command to see … johnny depp\u0027s trial live streamWebMar 20, 2024 · egen n_patients1 = count (haupt_op==1 haupt_op==2 haupt_op==3 haupt_op==4) , by (ik) I am not sure what your code is doing. However, in the future, I would always put brackets around the conditions so that Stata knows (and future you) how to evaluate the expression. Code: how to get rotom pbbWebWhen we attempt to re-generate age2, Stata refuses, telling us that age2 is already deﬁned. We could drop age2 and then re-generate it, or we could use the replace command:. replace age2=age^2 (204 real changes made) When we use replace, we are informed of the number of actual changes made to the dataset. johnny depp uk libel caseWebOct 12, 2024 · Let’s start with the destring command first. 1. The destring command The destring command might be the first choice for converting string variables to numeric if we have a limited number of non-numeric characters. With this command, we can either generate a new variable or replace the existing one. Here is an example: how to get rotten chunk terraria