Stata keep if strmatch
Webstata中提取数字中某几位 答:stata取小数点后一位使用数值格式化字符来实现取小数点后一位。 如在打印输出时,使用%.1f实现只输出数值的小数点后一位处理先保持变量字符型变量substr命令提取前四位要份再转化数值型计算具体说说着genyear=substr(accouperi,... WebJul 23, 2024 · Here is a reproducible example and my attempted solutions: sysuse auto, clear reg price foreign i.turn foreign#i.turn *this plots all coefficients: coefplot, *this drops _cons and foreign but not i.turn coefplot, drop (i.turn _cons foreign ) *variations with keep also do not work coefplot, keep (foreign#i.turn )
Stata keep if strmatch
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WebStata help file Converted automatically from SMCL: log html odkmeta.sthlp odkmeta.md The help file looks best when viewed in Stata as SMCL. Title odkmeta -- Create a do-file to import ODK data Syntax odkmeta using filename, csv (csvfile) survey (surveyfile, surveyopts) choices (choicesfile, choicesopts) [ options ] WebMar 8, 2016 · The order of Boolean operations in Stata, as in most programming languages, is that & takes precedence over . So what you want is Code: gen G = 1 if a == 1 & (b == 1 b == 2) Comments: This generates a 1/. variable rather than a 1/0 variable. 1/0 variables are generally more useful.
WebThe Stata Journal (2011) 11, Number 3, pp. 460–471 Speaking Stata: Fun and fluency with functions Nicholas J. Cox Department of Geography Durham University Durham, UK [email protected] Abstract. Functions are the unsung heroes of Stata. This column is a tour of functions that might easily be missed or underestimated, with a potpourri of tips, WebJul 14, 2024 · If Stata were to do it over again, I expect they would build on the understanding that led to commands that have subcommands (label, import, and export, …
WebJun 4, 2015 · Is there a command in Stata which to search in string variable for a particular word and to return only this word. One example: When I use functions: -regexm-, -strpos- … WebUsing IF with Stata commands Stata Learning Modules This module shows the use of if with common Stata commands. Let’s use the auto data file. sysuse auto For this module, we will focus on the variables make, rep78, foreign, mpg, and price. We can use the keep command to keep just these five variables. keep make rep78 foreign mpg price
Webstrmatch(s, pattern) returns 1 if s matches pattern and 0 otherwise. When arguments are not scalar, strmatch() returns element-by-element results. Syntax real matrix strmatch(string …
WebJun 16, 2016 · Strmatch is compatable as long as my array is only a 1:1 size but any other size it outputs a zero as amount of times a word has been repeated. Maybe there is something better then strmatch? My code is below.. Where str is the (current) (1:1) and want the (5:1) and MeterType is the array I am checking the strings to. ... ib physics vs ap physicsWebApr 30, 2024 · How to use strmatch command in Stata Generate bank name variable We have a sample dataset consist of company name, bank name, shop name in one variable. If we want to extract the bank name, shop … ib physics topical past papersWebkeep if inlist ("npb",var1,var2,var3) the inlist function looks for the first argument in the remaining arguments. The first argument may be a variable name, in which case the … ib physics topic 8.2WebOct 10, 2024 · As @PearlySpencer has explained gen cont = strmatch (list_a, list_b) (which is your code simplified down) won't work because list_a will only be compared with list_b in the same observation. Nothing makes that syntax produce a comparison across all possible pairs of values. Experiment should have shown you that. – Nick Cox Oct 10, 2024 at 9:10 ib physics worksheetWebMar 4, 2014 · The principle here is using (or) as a logical operator, yielding 1 (true) if any argument is non-zero. Note that lower () is included to compare with a lower case version of the original. This technique is naturally not robust to spelling mistakes or small variations in wording. Share Improve this answer Follow answered Mar 4, 2014 at 11:19 ib physics vocabularyWebJan 7, 2012 · st: keep if variable is string. From: Shubhabrata Mukherjee st: Re: keep if variable is string. From: "Joseph Coveney" … ib physics weeblyWebJun 10, 2024 · forvalues i=192/255 { local char`i' uchar (`i) count if strmatch (name, "*`char`i''*") } Stata returns 0 even though we know there is one observation that contains the special character. Using regexm () also returns 0: Code: forvalues i=192/255 { local char`i' uchar (`i) count if regexm (name, ".*`char`i''.*") } ib physics tutor