Stata id is a string variable

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August undefined, 2024

WebA variable might contain strings because it records categorical information. Suppose that you have read in a dataset that contains a variable called sex, recorded as “male” and … WebFrom string to numeric variables. Even though Stata can handle string variables, it is clear in many respects that numeric variables are much preferred. Not least, most statistical procedures just do not accept string variables. Fortunately, Stata offers some easy ways for converting string to numeric variables (and vice versa). ...

How to creat group IDs for panel data set in STATA?

WebIn fact, Stata understands a date and time variable as the difference from the base.The base (the numeric value 0) of a datetime variable begins at 01jan1960 00:00:00.000 (the first millisecond of 01jan1960); therefore “25jan2016 08:30:25” for us human beings will be 1769329825000 (milliseconds) for Stata. Back to top. WebSo far as Stata is concerned here, "*" is a literal character you are looking for and won't find. Wildcard syntax like this applies when a variable list is expected, i.e. it can apply to variable names, but to use it with string values you need a dedicated function. In your example, all cases begin with the string input, so this would work: drake 24 7

How can I quickly convert many string variables to numeric …

WebJan 10, 2024 · Identify the common variables in your dataset. In my case, country and year are the common variables. Make sure that after the using command, you are writing the … WebAn id variable is a variable that is unique to a case (observation) in the dataset. For a given individual, the id should be the same across all datasets. This will allow you to match the data from different datasets to the right person. WebNov 16, 2024 · will ensure that the values of the existing variable oldid (or their value labels if they exist) are copied across as value labels for the new variable newid. That way, you get the best of both worlds, tidy identifiers with values 1 and up and labels that preserve … drake 2k22

Convert string variables to numeric variables and vice versa

How to extract few letters of a string variable in stata?

WebOct 16, 2024 · Stata will try to guess the variable type. For continuous variables, it will give you the mean, standard deviation, and percentiles. For categorical variables (including strings), it will give frequencies. For string variables it thinks are not categorical, it will give you some examples. Some things to note in the codebook output for this data ... WebMar 24, 2024 · Abstract. 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 egen function concat (), which concatenates values of variables within observations. In this column, I discuss basic techniques for concatenating values of … drake 2b radioWebApr 21, 2024 · 1. to extract a region identifier based on the the first two digit numbers next to NSA in seriesid (in bold) 2. a series identifier separated based on the series identifiers … radio udg cd guzman

"WebAlthough the variable science is defined as str2, you can see from the list below that it contains just numeric values. Even so, because the variable is defined as str2, Stata … " - Stata id is a string variable

Stata id is a string variable

How to extract few letters of a string variable in stata?

WebJun 27, 2016 · The obvious approach is using strpos: gen match=1 if strpos (numberlist, string (id)) The problem with this is is that it matches 1 to 41. Which makes sense, 1 is indeed in 41, but it is not the behaviour I am looking for. I suppose I could simply -split- the numberlist variable, and then loop over all the resulting variables. WebInitialize a new variable:. bysort id (time): generate history = whatever[1] Add new values in a cascade so that each value is the previous value plus the value of the current value:. by id: replace history = history[_n-1] + whatever if _n > 1 Consistently copy the total string from the last observation in each panel to all

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WebIf you really want a string variable, you need decode, not tostring. decode state, gen (stateString) EDIT: The syntax tostring () would only work if tostring () were a function, which is not. The original answer thus explained why the OP's code was wrong, as well as explaining how to do it correctly. I spelled out in this edit how to use decode. WebOct 6, 2024 · You specified a function that is unknown to Stata; see Stata Functions Reference Manual. Or you may have meant to subscript a variable and accidentally used parentheses rather than square...

WebThe other useful option is string which tells Stata that the the variable specified in j() is a string variable. Finally, note that reshape is somewhat reversible. Specifically, you can move back one iteration. For example, if you type reshape long after you have reshaped the data to be wide, Stata will revert the data. Webvariable name type format label variable label id str3 %9s num str3 %9s code str4 %9s total str5 %9s income str5 %9s Sorted by: 4destring— Convert string variables to numeric variables and vice versa ... read into Stata as string variables because they contain spaces, dollar signs, commas, and percent signs.

WebThe easiest way to convert string variables to numeric form is to use the encode command. If the variable is actually a numeric value that just happens to be stored as a string, see … http://wlm.userweb.mwn.de/Stata/wstavart.htm

Web2 days ago · Quick @Stata tip: get rid of the leading and trailing space of a string variable with "trim": clear all input str12 str "String A " " String B " " String C" end replace str = trim(str)

WebOne method of converting numbers stored as strings into numerical variables is to use a string function called real that translates numeric values stored as strings into numeric values Stata can recognize as such. The first line of … radio udg amecaWebThe first line out syntax reads in an dataset shown above. The second generates a new variable read_n that is equal to the set of the amount stored in the string variable read. … drake 2b service manualWebJun 4, 2024 · Do not use encode if varname contains numbers that merely happen to be stored as strings; instead, use generate newvar = real (varname) or destring; see real () or … radio udeg 104.3WebNov 21, 2024 · I was only wondering what the code would look like if one wanted to concatenate a string variable by another id variable, but before that remove duplicates - not only parts of a string variable separated by spaces like in the case above, but if entire contents of the string variable repeated. Nick Cox Join Date: Mar 2014 Posts: 30613 #10 radio ucv onlineWebI want to extract the 6th and 7th characters as 'state code' from my string variable of total 8 characters (e.g. 0029334F). I am using the code: gen Scode = substr ( FACTORY_Id,6,7) … drake 2ntWebSo far as Stata is concerned here, "*" is a literal character you are looking for and won't find. Wildcard syntax like this applies when a variable list is expected, i.e. it can apply to … radio udg drake 2 nt