Combine two string variables stata

Author: wtcn

August undefined, 2024

WebAmir Sariaslan. University of Oxford. You need to combine the string function (-substr-) with other commands to "extract" the data. You could, for instance, display a frequency table: tab icd_code ... WebCoding the string data. In order to convert these strings to binary codes, we can individually replace each string for each drug variable as follows: replace drugA="1" if drugA=="yes" replace drugA="0" if drugA=="no". Note, that 0 and 1 are enclosed in inverted commas since the type of all three drug variables is a string for now.

Re: st: combining two variables - Stata

WebAug 13, 2015 · What I want to do is to combine multiple variables into one. My data looks like the following (simplified): ID a b c 1 x . . 2 y . . 3 . ... Stata: combine multiple … WebRe: st: Join String Variables. Socrates, Try egen Var3=concat (Var1 Var2 Var3) Regards, Robert Robert A. Yaffee, Ph.D. Research Professor Shirley M. Ehrenkranz School of Social Work New York University home address: Apt 19-W 2100 Linwood Ave. Fort Lee, NJ 07024-3171 Phone: 201-242-3824 Fax: 201-242-3825 [email protected] ----- Original Message ... guincho foz

How can I extract a portion of a string variable using regular ...

WebDec 14, 2016 · Stata merge with multiple match variables. I am having difficulty combining datasets for a project. Our primary dataset is organized by individual judges. It is an attribute dataset. The second dataset is a case database. Each observation is a case and judges can appear in one of three variables. WebThe variable specified to idusing() should never be in the master dataset. If this is the case, _merge match U* should be right. reclink will not merge in values of shared variables from the using dataset without warning the user. The two datasets shouldn’t share any variable names except for the variables for matching. WebBasically, + means concatenation with strings (i.e. string variables or more generally expressions which are or which evaluate to strings)on either side. gen strboth = strvar1 … bouton iowa county

Data Wrangling in Stata: Combining Data Sets - Social Science …

Concatenate of a string and a number - Statalist

WebApr 2, 2024 · Combine two string variables into one, such that both a + b and b + a become ab. 30 Mar 2024, 03:36. Hello, I am currently aiming to create an identification variable in order to identify the flight route of an observation. Therefore I would like to generate a … We would like to show you a description here but the site won’t allow us. WebCool thanks a lot Joseph!! Joseph McDonnell schrieb: Johannes if the second variable is a string, you can concatenate it with state . gen county=state+number If it's numeric, use the string function with a format . gen county=state+string(number,"%02.0f") If you want to attach the names to the county code, you'd need to download a list from elsewhere and … bouton internet explorer sur edgeWebJan 23, 2024 · The two variables to merge on are "region" and "epi_week". ... what Stata is telling you is that each of the data sets contain some values of epi_week that are not found in the other. I have never known Stata to get this wrong. ... I don't know what kind of variable epi_week is, but if it's a string variable, perhaps there are differences in ... guincho motomil

"WebNov 24, 2024 · Suppose you have two string variables ( strvar1 and strvar2) and want to combine them, you can simply type. gen combinedvar=strvar1 + strvar2. Or, if you … " - Combine two string variables stata

Combine two string variables stata

WebJohannes if the second variable is a string, you can concatenate it with state . gen county=state+number If it's numeric, use the string function with a format . gen … WebAug 15, 2024 · From your example, which implies numeric variables and at most one variable non-missing in each observation, egen's rowmax() function is all you need. …

Did you know?

Web6[GSM] 11 Creating new variables generate with string variables Stata is smart. When you generate a variable and the expression evaluates to a string, Stata creates a string variable with a storage type as long as necessary, and no longer than that. where is a str1 in the following example: . list make foreign make foreign 1. VW Rabbit foreign 2. WebFirst of all, we extract all the digits for year. We use the "$" operator to indicate that the search is from the end of the string. We then turn the string variable into a numeric variable using Stata’s function "real". The next action involves dealing with two digit years starting with "0".

WebAug 15, 2024 · From your example, which implies numeric variables and at most one variable non-missing in each observation, egen's rowmax() function is all you need. egen d = rowmax(a b c) Solution 2. You can loop over the variables, replacing the new variables to the nonmissing values of the other variables. This is assuming your variables are strings. Web2. MERGE Adding variables Command: merge using dataset.dta The merge command combines the dataset in memory, known as the master dataset, with a dataset on disk, known as the using dataset. While append added observations to a master dataset, the general purpose of merge is to add variables to existing observations. In its simplest

WebJul 21, 2016 · In Stata variable names are not to be considered or described as the "first row" of the data, although they will appear as headers in (e.g.) the Data Editor. Stata is not a spreadsheet application. The reshape command you mention requires that spo ovp fpo be rename d to p_spo p_ovp p_fpo before the reshape ; this renaming does not follow the ... WebDirectly after the merge command is the name of the variable (or variables) that serve id variables, in this case id. Next is the argument using this tells Stata that we are done listing the id variables, and that what follows are the dataset (s) to be merged. The names are listed, with only spaces (no commas, etc.) between them.

WebMar 24, 2024 · Concatenation, or joining together, of strings or other values, possibly with extra punctuation such as spaces, is supported in Stata by addition of strings and by the …

WebBy default, Stata performs an outer join, where all observations from both data sets are left in memory after the merge. One can keep only observations from the initial data set, the merged data set, or the intersection of the two by using the … bouton iphone 11Web56 minutes ago · How to keep the local file or the remote file during merge using Git and the command line? 0 Define newvarlist for imported variables when using the merge command in Stata guincho realWebMay 3, 2024 · You will do that by running your merge command and then copying the command and its output from Stata's Results window, pasting it into a post, surrounded … bouton iowa mapWeb2. Doing it as a problem in concatenation of strings is easier done by . egen newcity = concat (province city) This produces a string variable, which for most purposes as an identifier is fine left as is without forcing its contents back to numeric. In general, it is often safer and rarely problematic to insert an extra space, to remove ... bouton ipad air 2WebIn this video, we discuss how to convert a categorical string variable into a numerical variable in stata. We also see if we want to combine them into a sing... guincho classe a bouton iphoneWebI once floated the idea of a Stata training course going through the functions with lots of examples, particularly in terms of combining functions. It would probably be the least exciting and most tedious Stata course imaginable, but I think a lot of Stata users would realise how much they were missing. bouton izyx