Stata tabulate number of unique values

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WebMay 18, 2013 · Here, we want to know the number of unique values of the variable year. Stata Code: . clear. . sysuse uslifeexp.dta. . quietly tab year. . display r (r) The prefix quietly … WebThe four methods of transforming numeric to categorical variables that we have come across so far: generate var, replace recode var, generate () generate var, autocode () egen var = cut () Back to top Extracting substrings ends ()

UNIQUE: Stata module to report number of unique values …

WebQuite fortunately, there are no missing values in this variable! Clearly tabulate is relevant only for categorical variables or continuous variables that have few unique values. For example, it would not make sense to run tabulate total_covaxin; in fact, Stata will tell you that the variable has “too many values”.. What we have discussed so far is oneway tabulation, i.e., … WebHowever, Stata (like most statistical software) cannot handle string variables. 5 A much better way to store this data would be to assign each state a numerical value, say MI = 1, OH = 2, FL = 3, etc, then keep a data dictionary linking the values to the labels they represent. food to lower a1c

Count distinct values by groups - Statalist

WebTo add the duplicate observations, we sort the data by id, then duplicate the first five observations (id = 1 to 5). This leads to 195 unique and 5 duplicated observations in the dataset. For subject id =1, all of her values are duplicated except for her math score; one duplicate score is set to 84. Web1. Number of missing values vs. number of non missing values. The first thing we are going to do is determine which variables have a lot of missing values. We have created a small … WebIt also takes account of any if or in qualifiers and any zero weights. It's also true, as @Noobie explains, that omitting missing values from a tabulation is default for tabulate in any case. So, to get the result you want you'd need to modify your … food to lower blood pressure uk

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WebMay 30, 2016 · Often the easiest way to get at the number of distinct values present is to fire up tabulate and retrieve the number of rows as r (r). tabulate won't play with very large numbers of rows, one of various reasons for distinct (SJ). Carlo Lazzaro Join Date: Apr 2014 Posts: 15913 #7 29 May 2016, 03:53 Nick is correct. WebBelow we tabulate the variable we just created. Looking at the frequency table we know that there are four observations with no missing values, nine observations with one missing values, one observation with two missing values … electric measurement symbols and definitionsWebMay 25, 2024 · If you want to count distinct IDs, as I guess you do, count () is irrelevant, as it counts non-missing values regardless of how many distinct values that means. Here is a demonstration. The data are 666 values of 42, but count () returns 666, not 1. Code: electric meat grinder and sausage maker

"WebFeb 7, 2024 · To confirm that the observations are uniquely identified by year, type duplicates report year This returns the output below, which tells us that 18 observations (rows) in the data have unique year values, and that there isn't a year value that repeats. Conclusion: in gsshappy.dta, the variable year uniquely identifies each observation. " - Stata tabulate number of unique values

Stata tabulate number of unique values

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WebNov 8, 2024 · 1. 2. 1. There are many more cID in the data, from using codebook group 2 has 33 distinct cID values in my actual data, but I would prefer to have a convenient way to … WebMar 14, 2024 · to get the number of distinct values of employee within agency. This is documented under help egenmore, which you will have to install. Share Follow answered Mar 14, 2024 at 16:39 dimitriy 8,932 2 24 49 Thank you! Nick's solution above worked as well, but I'm curious to see what else can be done with egenmore, so thanks for pointing …

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WebFeb 13, 2015 · #1 Table showing list of unique string variables, within categories of a numeric variable 12 Feb 2015, 22:27 Hello, I have a numeric variable A with values 1-247. For each value of A, I have a string variable B with values "Mercury, Taurus, Impala, and Gremlin". For each A, there may be multiple records of B, and some will repeat. WebJul 13, 2016 · All of these tasks can be carried out using just two Stata commands: tabulate (or tab) and summarize (or sum). Getting them to do all these things is simply a matter of …

WebNov 16, 2024 · Thus, if values of a variable are 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, and 5, then in one sense of “unique”, there are five distinct or unique values—namely, 1, 2, 3, 4, and … StataCorp recommends a strong password of at least 8 characters including 1 … Explore resources on Stata and statistics. This website uses cookies to provide you … WebThe ﬁrst Stata lesson here is a reminder of the value of by:. One basic tutorial was given in an earlier column (Cox 2002a). Alternatively, check out entries on by: indexed in the Stata manual. by: is the basic tool for calculations by panels or other groups. Those commands that appear to sidestep it will almost always use it internally.

WebEven through the table is not well labeled, recode()’s coding scheme provides us with clues as to the table’s meaning. The ﬁrst line of the table corresponds to 50 miles per hour and … Web2 Answers Sorted by: 5 To some it might seem silly, or at least puzzling, that people want tables with more than 12000 rows, as there must be a better way to display results or answer the question that is in mind. That said, the limits of tabulate are hard-wired. But you just need to think of reproducing whatever you want to show.

WebDec 14, 2024 · The tabulate() function in R can be used to count the occurrences of integer values in a vector.. This function uses the following basic syntax: tabulate(bin, nbins=max(1, bin, na.rm=TRUE)) where: bin: Name of the vector; nbins: The number of bins to be used; The following examples show how to use this function in practice.

food to lower blood sugar instantlyWebCount 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. … food to lower blood sugar fastWebThen there are four distinct values: 1, 2, 3, and 4. Alternatively, there are, so far as this variable is concerned, four distinct observations because, for example, the second and third observations both containing the value 2 are identical in respect to this variable. food to lower blood sugar and cholesterolWebthe unique values of the variable in question, even though such distinct values could all be repeated in the data—and, in particular, 2, 3, and 4 are indeed repeated. One logic behind … electric meat grinder foot pedalWebStata offers a variety of ways to tabulate data. The most basic table, table [variable] , will show the variable and the frequencies of each category, like so. This can also be done with more than one categorical variable, table … food to lower blood sugar naturallyWebNov 29, 2024 · #1 Count distinct values by groups 29 Nov 2024, 15:34 Hello everyone, I have one question related to counting distinct values by groups. Here is an example of the data … electric meat grinder for home useWebJan 22, 2024 · By default, fre only tabulates the smallest and largest 10 values (along with all missing values), but this can be changed. Furthermore, values with zero observed frequency may be included in the tables. The default for fre is to display the frequency tables in the results window. electric meat grinders at walmart