Stata keep if inlist

 

drop `var'. In this case, I would like to have only one row per ID, in the end, I would like to only have seven Getting help [U] 4 Stata’s help and search facilities help, net search, search Keeping Stata up to date ado, net, update [U] 28 Using the Internet to keep up to date adoupdate [R] adoupdate Operating system interface pwd, cd [D] cd Using and saving data from disk save [D] save use [D] use append, merge [U] 22 Combining datasets compress [D Aug 1, 2016 · Despite a lot of searching and tinkering, I can't figure out how to output a table I have generated via -list- command into a database file. It is tedious and error-prone. 5{. In commands that alter or destroy data, Stata requires that the varlist be specified explicitly. We would like to show you a description here but the site won’t allow us. list length turn. ). j. So how do we get this done? Well, let’s use the _n and _N. Thus, with the auto data, we could cycle through all the values of foreign or rep78 . ) Remove all “/” from a string. ac. [ Date Prev ][ Date Next ][ Thread Prev ][ Thread Next ][ Date Index ][ Thread Index ] On 9/25/06, FUKUGAWA, N. I usually create a subset of the clock date variable such as month, year or date variable and then keep or delete whatever I need. user872324. I understand that you. You can use the dataex command for this. The loop is not necessary. edu]On Behalf Of Michael S. Nov 16, 2022 · This statement can lead to problems. Be aware that it can be very hard to answer a question without sample data. I should note that I am using Stata12 so I don't have access to -putexcel-. However, i only want to keep 51 of them (Subsaharan Africa). data with all city names correctly spelled) Nov 16, 2022 · There is another way to approach selection whenever equality with any of several integer values is the criterion. > Hanson > Sent: 02 August 2004 help, net search, search [U] 4 Stata’s help and search facilities Keeping Stata up to date ado, net, update [U] 29 Using the Internet to keep up to date ado update [R] ado update Operating system interface pwd, cd [D] cd Using and saving data from disk save [D] save use [D] use compress [D] compress Inputting data into Stata [U] 22 Entering Sep 8, 2014 · My objective is to find the max of a certain variable for each group and then assign generate for every observation in a particular group a new variable that equals the max. The second statement creates xbig equal to 1 or 0, the value being 1 when x > 1000 or x is missing. gen varx2 = . Annals Jun 29, 2016 · What would be the right command to keep only observations after May 28 2016 using the date clock-date times. <> You could use -inlist- with up to 10 string arguments, and -generate- / -replace- a dummy "tokeep", until finally you -keep- only the obs that -tokeep- identifies. In panel 2, the individual is in state 1 only from time 3 to time 5. will cause the error, because `max' is the syntax for the value of a local macro named max, and what you have is a variable named max. An example: clear. gen xbig = (x > 1000) The first statement keeps all the observations for which x > 1000 or x is missing. I think what is wanted is to drop observations where the minimum of the 140 *_xt variables is 5 or less. keep if !mod(end,1) Nick On Thu, Sep 1, 2011 at 11:10 AM, Nick Cox <[email protected]> wrote: > -int(end)- is not a true or false test of whether its argument is > integer. #3. Reprinted in Stata Technical Bulletin Reprints, vol. Date. Indeed: your syntax is invalid; it's just fantasy syntax that you would like to work. My final goal is to construct a date variable that will have a fiscal year and fiscal quarter. Thanks in advance! Jun 18, 2020 · Code: destring ID, gen(id) But this code removes the principal zero in 03; 071; and 01; that is, they now exist as 3; 71 and 1, respectively in a variable (id). Hi I want to extract a list of my panel IDs named as "FI" and months/years named as "Time_period" having the 10 maximum and 10 Case 4: Dropping duplicates based on all the variables. In my "main" do file I define a variable list (of all state-level variables, excluding the industry code and the year) as follows: created by vl set or vl create. When i run the "keep if var == " im not able to run it with all the countries at once. Jul 7, 2019 · Forums for Discussing Stata; General; You are not logged in. assert() is used to Jul 23, 2014 · The "drop" command tells Stata to delete a variable (column) or cases (rows) from the dataset. 12 1 5005. Posts: 8. Code: format id %02. The list command is one of the most useful commands in Stata when inspecting data. edited Mar 22, 2021 at 11:48. So that means for every observation in the group, the max variable would have the same value. 11 May 2018, 05:22. There is no need to run vl set and create system-defined Oct 17, 2018 · I am running the following analysis in Stata 14. or. com Remarks are presented under the following headings: Introduction Avoid single-line if and else with ++ and -- macro expansion Introduction The if command is intended for use inside programs and do-files; see [U] 18. whatever if foreign == `i'. Consider this toy situation: clear input Nov 6, 2019 · In a forval loop I want to reference both variable r`i'name and r`j' name, where j is a function of i. Following link contains the fi Jun 6, 2016 · The above would be a very time consuming task if you have to write each city and state name Other option could be to do a m:1 merge and then list the observations in the master data that did not match with the using data (i. stata. sysuse auto local myvars foreign price local myvars : subinstr local myvars " " ",", all mark missing if mi(`myvars') of the clean and regular syntax of Stata commands. Tnx Scott. Nov 24, 2016 · A: Often when dealing with certain list of filings, we want to keep either the first or the last observation. or it can be all variables starting with a certain prefix. 4 Macros and expressions for examples of its use. 46–49. Nov 16, 2022 · foreach offers a way of repeating one or more Stata commands; see also [P] foreach. But it never hurts to use the more robust coding with parentheses. Stata automatically handles byte-order differences for Stata Oct 14, 2015 · Expanding on ander2ed's answer, you can define a "master list" of variables to keep, and then only keep the matching variables from different data sets -- e. Read this as generate the new variable OK that is 1 (true) if id is equal to any of the values specified and 0 Jun 8, 2019 · June 08, 2019. I suggest you try. For a concrete example I assume panel data with identifier id and time variable time: bysort id (time): keep if _n == _N. College Station, TX: Stata Press. list. Login or Register by clicking 'Login or Register' at the top-right of this page. B) Use keep and drop with variable names to remove variables from the dataset. ) Remarks and examples stata. 2001. In order to do so we’ll use the list command in Stata with an if condition: list var1 if var2 == "value". Syntax. Both are equivalent in this example. should work fine, including showing the time variable in a way that is easy to read in. harvard. 1 like. 1 Nov 11, 2016 · Code: replace rate=. uk > -----Original Message----- > From: owner-statalist@hsphsun2. _n counts the position of the observation (first, second, third…). drop if dup>1. If there are missing values in indcod, list the wpids for which indcod I welcome any suggestions: I am reading in several datasets, each containing different economic series at the metropolitan level, but I want to keep data for only the top X metro areas. Mar 1, 2018 · As I read in the other thread, the assert command is a way for checking if a command worked as wished for. The syntax for the list command can be seen by typing help list: list varlist if in, options Here is how to read this syntax: Anything inside square brackets type all the Europe names into a new dataset, merge 1:1 on the country name with the original dataset and keep the intersection. Cox, N. The first statement uses the egen command. In other words there is a preprocessing step something like unab myvars : <whatever> , keep(`myvars') Nick n. edu > [mailto:owner-statalist@hsphsun2. 56 1 2048. drop if dup>0. However, I want to keep the first 5 observations per variable. list rep*. , WA). I've tried the following code: if A==0{. Feb 14, 2020 · Join Date: Feb 2020. We will cover enough to get you started; help language has more information and examples, and [U] 11 Language syntax has all the details. Does anybody knows a command for. Some commands take a varname, rather than a varlist. This result is probably not what the user intends. If so, the code for that is: Code: replace EBreceived = . That could be all of them: list if varname_a==1 & varname_b==1. So first, I created a new dataset with the unique values of the state column and followed the keep if process. Many Stata commands support the in Oct 16, 2019 · From #1 you make clear that FI is the panel identifier so something like. Jul 13, 2020 · What you expect to happen is to reduce the dataset twice: first by -condition-, and then by keeping/dropping variables in -varlist-. Table of Contents. As I say, I think with these particular definitions of A, B, and C, this isn't a problem. I haven't come across this, but one standard device is to use -unab- to "unabbreviate" compact varlists. only keep brands that have available data every consecutive year. Example 1 With forvalues lname = # 1(# d)# 2, the loop is executed zero or more times, once for lname = # 1, once for lname = # 1 + # d, once for lname = # 1 + # d + # d, and so on, as long as lname # 2 (assuming # Nov 1, 2019 · The inlist function is exactly what I was looking for, and I was not previously familiar with it. Another is . Rather it rounds towards zero, and the result is an integer: > if that result is non-zero if it is treated as true. Dec 16, 2016 · list c d e if varname_a==1 & varname_b==1. This is my code: #delimit ; gen aggregate = inlist (countryname,"Arab World", "Caribbean small states", Mar 6, 2017 · 有了inlist，你还在一直用if吗？. And I stored the state numbers in a list. The syntax for the list command can be seen by typing help list: list varlist if in, options Here is how to read this syntax: Anything inside square brackets Jan 14, 2016 · 1). keep if mod(end, 1) == 0 or . of the clean and regular syntax of Stata commands. 3. I tried using if commands, but I would prefer something like the above qualifier if possible because I am more comfortable with it (and it takes less room). Practical example Variable nameparmentalVariable labelParental mental illness (Ages 0-14, Years 1970-1984)Value labels0=No1=Yes Variable nameparcrimVariable labelParental criminality (Ages 0-14, Ye… Jul 15, 2019 · Can I use the same command you provided in #8 for the following situation: I want to select a sample in a balanced panel data in a way I keep the representativeness of the variable "region" and also keep the panel balanced with information of the person id for each year of the panel. This is indeed brilliant! I, for one, did not think of -inlist- in this way, however simple and (potentially) obvious. May 8, 2017 · Keeping only the first observation. I have enormous data with repeating information. e. I have a dataset that include 179 countries. Nov 3, 2017 · The 'inlist' function assigns 1 to the values in paranthesis, in this case: "WA"; and 0 for others. In other words there is a preprocessing step something like unab myvars : <whatever> , keep(`myvars') Nick [email protected] > -----Original Message----- > From: [email protected] > [mailto: [email protected]]On Behalf Of Michael S. if inlist (varname,1,2,3,) Michael Blasnik [email protected] ----- Original Message ----- From: "F. Another is to use -ds-. Consider one of the following: . (FYI, I know that I need to also designate what produces zero and missing values for my dummy variable -- I just limited my code to the part I had a question about in order to simplify the question. answered Aug 2, 2011 at 8:49. I need Stata to keep all variables that exist in a dta and ignore those that do not exist. org . There is no such thing as dropping observations of a particular variable only. keep if OK. The syntax for the list command can be seen by typing help list: list varlist if in, options Here is how to read this syntax: Anything inside square brackets Apr 25, 2022 · Any help in creating my desired variable would be much appreciated, and for the intrinsic value of learning stata I am also interested in how learning how to use the inlist-function when I am interested in observations which does not take any of the values specified. where `j' = `i' + 1 but r`j' name invariably comes back as r[ival]+1name Remarks and examples stata. Aug 4, 2017 · INLIST Function. - want to keep the observations from 1997 in your dataset. bys id firm: keep if _n==1. Code: replace max_kw = "`x'" if `x' > `max'. harvard Mar 20, 2020 · In Stata, you either drop observations or drop variables. This reference provides a translation between data. Understand that whenever Stata wants a varlist it can be a list of variables, such as. merge m:1 wpid using wpchar. However, when I try to generate a dummy variable, the 'inlist' function does not recognize the nominal value (e. replace var1 = subinstr (var1, “/”, “”, . Category: Search. Example 1 ds can be especially useful if you have a dataset with over 1,000 variables, but you may find it convenient even if you have considerably fewer variables. I have a small challenge. Variable lists contain varlists. Required Arguments. Code: unique_identifier group value. Dear Stata Users, I have the end of the fiscal year month (the dataset is monthly). replace max = `x' if `x' > `max'. In panel 1, state 1 first occurs at time 4, and the individual remains in that state. foreach i in 0 1 {. Jun 26, 2023 · To close the loop on this, Stata 17 update 29aug2023 contains: 3. , Los Angeles could be represented as LAS or LAX depending on whether we are talking about MSA or . Cheers & thanks, Jesper Jesper Lindhardsen MD, PhD candidate Department of Cardiovascular Research Copenhagen University Hospital, Gentofte Denmark -----Original Message----- From: [email protected] [mailto: [email protected]] On Behalf Of Nick Cox Sent: 12 April 2011 21:08 To Apr 18, 2021 · merge the datasets and keep the intersection defined by _merge being 3. Title. I would like to make use of the outreg2 command. set obs 0. Is this the right command to use? Thanks very much again. Typing keep if x==3 is the same as typing drop if x !=3. 1. The title on the other hand refers to two if conditions, but that's a puzzle because the text itself gives the answer: use a single compound if condition. table and Stata commands and should be helpful for any moving between the two languages. Dear Statalist. 如果有的话，那么福利来了，今天爬虫君教你一个清新简单实用的小函数—— inlist ，可以有效地避免赘述条件哦~. Stata Technical Bulletin 60: 8–11. Fisher, R. tab _merge. In principle you could type out one or more commands defining a keep condition, but that is a poor solution as. bysort <variables defining groups> (<variable defining order first last>): keep if _n == _N. bys gvkey: gen nyear=[_N] keep if nyear>=3 Jun 12, 2013 · Some variables may or may not exist in a certain dta. keep() is used to pare the merged dataset to a given set of observations when you do not care if there are other observations in the merged dataset. Starting with a list of countries by change in poverty rate ( list country change_pov in 1/5) I'd like to output the results of May 29, 2018 · This will prevent Stata from and-ing the last term of A with the first term of B rather than and-ing all of A with all of B. A traditional Stata list of variables, that is, varlist, we will call varlist. 4 varlists for a complete description. age and i. If you have a look at help list, you will discover plenty of options to customize the display. 2). if year >= 2008 & month >= 7. *----- example vars -----. 14 Feb 2020, 14:46. Code: dataex FI TimePeriod X1 X2 X3 if FI <= 3. Picking up where case 3 left off, this is no different from case 2. com When working with binary strings, one can find the first or last location of the binary 0 using strpos(s, char(0)) or strrpos(s, char(0)). For instance, in my IPO research, I am interested in keeping the first and the last prospectuses. inlist(z,a,b,:::)1 if zis a member of the remaining arguments; otherwise, 0 and 8-byte floats. Author. Typing keep myvar1 myvar2 is the same as typing drop followed by all the variables in the dataset except myvar1 and myvar2. That is all documented under help list. The command works only with numerical values of the states, and only after transforming the variable type to string. 是 Sunday Stata Tip | Using the inlist Command:In this video I go over how to use "inlist" in order to pick out specific values within a variable more quickly. In the example below I used the 1978 auto data and created a variable make_abb of vehicle manufacturers (or make) which took only a handful of distinct values ("Do" for Dodge, etc. com forvalues is the fastest way to execute a block of code for different numeric values of lname. Remarks and examples stata. Now use the employee file and give the commands. I’m learning to work with data. Returned data type: Boolean. com Current data management and analysis may hinge on detecting (and sometimes dropping) duplicate observations. This has been fixed. We need to be able to deal with both patterns, recognizing that the state concerned may be absorbing or just temporary. 20 Dec 2022, 13:28. Typing keep in 10/l is the same as typing drop in 1/9. Oct 20, 2012 · I also do not believe you can use the inlist function with keep if-- you will need to add the extra step of defining a new indicator. egen OK = anymatch(id), values(12 23 34 45 and so on) . keep if female<. Suppose that our data file had many, many variables, say 2000 variables, but we only care about just a handful of them, id, female, read and write. In order to add the principal zero, I tried running the following code. This adds principal zero to 3 and 1, such that; 3 now becomes 03 and 1 becomes 01. You can browse but not post. com If ds is typed without any operands, then a compact list of the variable names for the data currently in memory is displayed. If you want to drop all duplicate observations, including the first occurrence, type. This is the offending line. In this post we’ll look at some ways we can list the values of one variable based on the value of another. One common pattern is to cycle through all values of a classifying variable. local myVarList ="". inlist：. Stata requires you (1) to separate the directory name and the wildcard pattern and (2) to use the keyword files. Shortcuts to refer multiple variables. For more information on Statalist, see the FAQ. Best, Marvin Oct 6, 2014 · The easiest generic way to keep the last of a group is as follows. list var1 if var2 == "value" in drop if inlist(v1,88,99) | missing(v2) Keep observations where v3 is not missing keep if !missing(v3) Keep the first observation from each cluster identified by cvar by cvar: keep if _n==1 Menu Drop or keep variables Data > Variables Manager Drop or keep observations Data > Create or change data > Drop or keep observations 1 Nov 12, 2020 · Forums for Discussing Stata; General; You are not logged in. tables in R. smoke. eststo a. However, the customary syntax of -if- everywhere else in Stata suggests a subtly different meaning, which is why it would be confusing for those familiar with Stata's syntax. We can subset our dataset to keep just those variables as shown below. Sat, 10 Jan 2004 15:13:43 -0500. It cannot be used to set observations on a variable for a subset of cases to missing. keep is especially useful for keeping a few variables from a large dataset. This video discusses how to use multiple conditions or multiple values in conditions with the help of inlist function in Stata. Paul Lin, StataCorp. I tried it with inlist (), but as my list is very long I get an error message "Expression too long". I used to be able to specify the variables I wanted to include using keep() with a list of variables. I just was wondering if it there was a direct way to do it without creating new date variables. 1942. com I am a Stata beginner and have a problem in generating a dummy called aggregate. However, when I use this command and specify the variables that should be kept, he ignores these variables and creates a list of all variables after which I get the notion that I attempted to create a matrix with too many variables. Here is sample data: * Example generated by -dataex-. Technical note Jul 6, 2013 · You can use the list command for this: list column in 1/6. A. Dec 20, 2022 · Keep multiple observations in a variable. } However, this code drops all the _n>1 observations no matter what the A value is. First, I define a fiscal year: Code: bys permno: replace fyear = fyear - 1 if month repeat what you have done. Jul 8, 2019 · Dear Stata Community, I am trying to use a global variable list definition in a collapse, but I have run into a problem. keep() differs from assert() because it selects observations from the merged dataset rather than enforcing requirements. Perhaps what you really mean is that you would like to replace values of EBCreceived with missing values if year >= 2008 & month >= 7. - want to keep the variable 'var1' in your dataset. I would like to keep only the first row per ID. If you want to drop all duplicate observations but keep the first occurrence, type. I have working examples (well, they used to work) of lists that include Abbreviated variable names (Var1 instead of Var1_has_this_name), Range of names (var3-var8) and Wildcards (HHvar*). if never occurs twice in a single command. The generalisation is. > Hanson > Sent: 02 August 2004 16:08 > To: statalist@hsphsun2. st: Re: if statements with multiple values. This is documented. : local keepvars = "make weight mpg length" sysuse auto, clear // contains the four variables above (and others) qui ds local dsvars `r(varlist)' local keeplist : list keepvars & dsvars di "`keeplist'" keep `keeplist' sysuse autornd Jan 24, 2018 · You can keep or drop a variable in its entirety, but you cannot do so only in some observations, as the syntax attempts to do. Returns TRUE if the target parameter matches any of the value parameters. cox@durham. inlist() with string arguments is fiddly in particular if that is Nov 8, 2014 · Rather than using keep which will wipe out variables not given to the command, try drop, which will delete only those you specify. Now I imported my original dataset and want to keep if the values We would like to show you a description here but the site won’t allow us. drop if male==1 & female==. Is it possible to keep only selected variables in esttab, as I want the output only for i. J. When there are more variables to keep than drop of the clean and regular syntax of Stata commands. May 11, 2018 · if/else statement - correct application of these functions. I would first run a code to identify duplicates and then use a drop command to drop the cases. '. gen varx1 = . vl create allows you to create your own variable lists, either starting with system-defined variable lists or with varlists you specify. I expect the following will solve your Nov 16, 2022 · Here the variable state takes on two values, 0 and 1. Stata: Data Analysis and Statistical Software Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist. See full list on thedatahall. See [U] 11. <[email protected]> wrote: Dear all, Suppose we have data as follows, year var1 1997 14 1997 32 1997 19 1998 18 1998 42 1998 50 1999 3 1999 23 1999 37 we want to keep observations by year if var1 is maximum within the same year. The following code has wrong syntax, but it could serve as a good pseudo code to give one a general idea of what should be done: forval j = 1/100 {. if generator=="solar" & (rate<0 | rate>200) I know I could do this in two separate lines, but that seems inefficient, especially because I have many lines of similar code. One of the reasons people ask questions on SO is because the included documentation is not clear. (meaning all variables named " rep " followed by something), or it can be a range of variables. . list in 1/6. dm90: Listing distinct values of a variable. Then look up what has happened to the point where you see a message in red. Nov 16, 2022 · Read the file into Stata with infile wpid indcod, sort wpid , and save as Stata dataset wpchar . merge with options keep () and assert (), when the results of the merge failed to match option assert (), would not leave unmatched data from the using dataset in memory for inspection after the failed merge. only brands that appear at least three consecutive years. 10, pp. You should find that all employees now have an indcod variable defined. 小伙伴们有没有遇到过当选择数据的条件过多时，用if语句写条件时分分钟想炸毛的情景？. 当当当当~. Copy the line with say three lines after it, and say 7 lines before it, and paste it here. The syntax for the list command can be seen by typing help list: list varlist if in, options Here is how to read this syntax: Anything inside square brackets varlist appears, these commands assume a varlist of all, the Stata shorthand for indicating all the variables in the dataset. Feb 13, 2024 · The problem is that there are not the same number of individuals in each state so the command keep if _n <= _N/2 will not work. use data`j'. sort wpid. Mar 31, 2021 · I am in desperate need for some help for my thesis regarding Stata. To install: ssc install dataex. In Stata terms, duplicates are observations with identical values, either on all variables if no varlist is specified, or on a specified varlist; that is, 2 or more observations that are identical on all Apr 4, 2018 · A direct answer to the question as set is to use the macro extended function subinstr to change spaces to commas: . Hi, I have a dataset with multiple observations per variable. Michael Kunz" < [email protected] > To: < [email protected] > Sent: Saturday, January 10, 2004 3:03 PM Subject: st: if statements with multiple values > Dear Mar 22, 2021 · bys id firm, I want to keep only the first observation if A==0 and want to keep all the observations if A==1. Start with help macro. I used it, but maybe that one was wrong as well? Stata reported there was a number of contradictions in my observations. foreach— Loop over items 5 produces the same results as typing foreach file in ‘flist’ {:::} except that foreach file of local flist is faster, uses less memory, and allows the list to be Dec 17, 2015 · With that said, addressing the specific question of your syntax error: the following code. Aug 4, 2015 · Assuming that the variable female is a numeric 'blank' - more commonly known as 'missing' - is coded in Stata as '. Metro areas are defined differently for different series' (i. The theory of confounding in factorial experiments in relation to the theory of groups. You can identify duplicates using Stata's 'duplicates' command. bysort country (year): gen countryfreq= _N assert countryfreq >30 From "Austin Nichols" < [email protected] > To [email protected] Subject Re: st: drop if: Date Fri, 21 Dec 2007 13:41:12 -0500 Dec 10, 2020 · Translating Stata to R. g. keep if x > 1000. if regexm("`var'", "$_xt") & `var'<=0. go keep if inlist(var, "A", "B") | inlist(var, "C", "D") with more inlist() calls AND up to 10 values in each, IIRC. 0f. bl yd aq ir ii py jb fw da yb