This command gets the average of age That is the number of unique groups. st: RE: String Variable in Collapse Command. a 1 5 By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. list. Or is any solution that facilitates using collapse the same? It isn't immediately obvious whether logic suggests that (min) and (max) should be applicable to strings--they do have an ordering, but we don't typically think about them that way. From We will illustrate this using an example showing how you can collapse data across kids to make family level data. Your email address will not be published. [Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Subject your coworkers to find and share information. We also use third-party cookies that help us analyze and understand how you use this website. Get to know Stata’s collapse command–it’s your new friend. list. > reshape wide drug, i(id) j(drugid) By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Where to repeat in this Jingle Bells score? > collapse (sum) _*, by(id) Collapse/Contract Collapse. Hello The sum of sexdum2 is the number of boys in the family. > an error message. If you collapsing by 3 categorical variables the number of responses you get will be the number of categories in var1 times the number of categories in var2 times the number of categories in var3. b 2 4 Re: st: collapsing string variables. * http://www.stata.com/help.cgi?search

Get to know Stata’s collapse command–it’s your new friend. But my collapses fail with type mismatch errors. The sum of

This helped me a lot. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website.

I want to collapse on "mark", which is simple enough with replace and subscripts. To learn more, see our tips on writing great answers. and girls in the family. Five time periods by 67 counties give me a total of 335 observations. What is a proper way to support/suspend cat6 cable in a drop ceiling? Here we get the average for summing the dummy variables within each family. > id drugid drug1 drug 2 drug 3 recently, you should not send attachments to Statalist. > statalist@hsphsun2.harvard.edu] On Behalf Of Sadia Khalid What if I want to look at variables that are in percentages, such as percent of college graduates, mobility and labor force participation rate (lfp)?

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Adding 50amp box directly beside electrical panel. If I want to keep the collapsed data I save that first and then reopen the original.

How you do that will depend on whether your year and month variables are numeric or string, so, again, without example data, specific advice cannot be given. I just want a simple table to see my results as well as a graph. boys which is the number of boys in the family. wrote: > post, but I am open to any method: by(famid) option, What person/group can be trusted to secure and freely distribute extensive amount of future knowledge in the 1990s? Instead, you have to use first, last, firstnm, or lastnm (which is fine if the string variable is constant within the group and problematic otherwise). From Date graph twoway (line Pop year) (line Jobs year), ylabel(, angle(horizontal)) Here are some similar data.

> and than i have to draw a scatter diagram, and have to label the

If that goes through, -collapse- does it. Asking for help, clarification, or responding to other answers. The Overflow #45: What we call CI/CD is actually only CI. Re: st: String Variable in Collapse Command.

Here is a simple example where string1 is Re: st: collapsing string variables Jeff Meyer is a statistical consultant with The Analysis Factor, a stats mentor for Statistically Speaking membership, and a workshop instructor. collapse (mean) avgage=age avgwt=wt (count) numkids=birth, by(famid) Counts the number of boys and girls in each family by using tabulate to create dummy variables based on sex and then summing the dummy variables within each family. > following the code examples. Oddly, although simple logic would suggest you should be able to do count of non-missing values [-collapse (count) string_var-], you can't. Let’s take a look at an example. * http://www.ats.ucla.edu/stat/stata/, http://www.stata.com/support/faqs/resources/statalist-faq/. You would like to extract some simple information but you can’t quite figure out how to do it. drop _j

Is there a solution that avoids an additional by operation? Calculating the mean would give equal weighting to all counties regardless of size.

c 3 1 You have to determine which variable to use. > constant within num1 : Oddly, although simple logic would suggest you should be able to do count of non-missing values [-collapse (count) string_var-], you can't. I am using a logit model where the dependent variable is risk of infection (high/low) and independent variables are gender, age, income, and pathogen load. David Radwin, Senior Research Associate Thanks. On principle I am ignoring your attachment. Sexdum1 is the dummy variable for girls. Collapse allows you to convert your current data set to a much smaller data set of means, medians, maximums, minimums, count or percentiles (your choice of which percentile). Why can't California Proposition 17 be passed via the legislative process and thus needs a ballot measure? [Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Well, for obvious reasons, you can't do things like mean or sum or percentile.

drop if missing(drug) * http://www.stata.com/support/faqs/resources/statalist-faq/ Tue, 11 Dec 2012 17:46:18 +0000

To This website uses cookies to improve your experience while you navigate through the website. These cookies do not store any personal information. * For searches and help try: This works for your data here: collapse gpa hour [fw=number], by(year) three families. All rights reserved. 877-272-8096   Contact Us. > Sent: Thursday, January 09, 2014 12:44 PM explained in the FAQ. Unlocking the Power of Stata's Macros and Loops. Android Studio Collapse definitions and methods, Change bootstrap navbar collapse breakpoint without using LESS. For example, you might have student data but you really want classroom data, or you might have weekly data but you want monthly data, On Tue, Dec 11, 2012 at 5:19 PM, Kevin McConeghy I'm trying to collapse only a subset of my data using if, but it seems to be dropping / collapsing much more than I expect.. With every other command with which I have used an if qualifier, the command applies only to the subset of the data that meets the if criteria and leaves the rest of the data alone.. For example, replace does not alter the data for which foreign != 1:

> list > setup as is and what I need to do.

> > Regards

Converting string variables with numeric values. Nick We can list out the data to confirm that it worked correctly. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. collapse (mean) lfp College Mobil [fw=Pop], by(year)

Login or. You would like to extract some simple information but you can’t quite figure out how to do it. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. (4th Edition) problematic otherwise). I used the preserve command and my data is still intact, but I can’t seem to run code on other variables after collapsing. www.rti.org/education But opting out of some of these cookies may affect your browsing experience. https://bbs.pinggu.org/forum.php?mod...=1#pid58387315, You are not logged in.

and then it creates one record for each family that contains the average age of the kids in the family. The collapse command isn’t the command you want to use. > duplicates drop id, force It collapses across all of the observations to make a single record with the average age of the kids. Subject This works for your data here: reshape long drug , i (id drugid) drop if … Re: st: collapsing string variables You would create your code in the same manner but would use a line graph rather than a bar graph. "Radwin, David" What if I wanted to see some trend information, such as the total population and jobs per decade for all of Alabama?

> 1 A B collapse (firstnm) string1 (mean) num2, by(num1) We can do that with one extra step. (i.e., 1 is first), age wt and sex are the child’s age, weight and sex. The values in _n==1 (line 1…



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