WebManaging Your Data generate; replace; recode; autocode The four commands are often used to create or change the contents of variables. generate; replace generate newvar= expcreates the new variable from existing variables through an expression. . sysuse auto . gen price1 = price/2.5 replacechanges the contents of a variable. WebOct 16, 2024 · The drop command can drop either variables or observations, depending on whether it is followed by a variable list or an if condition. To drop year and datanum, run: drop year datanum Let's declare that you don't want to include individuals living in "group quarters" (prisons, for example) in your analysis. Drop them with: drop if gq==3 gq==4
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WebMar 31, 2024 · Để destring biến Price này, mình cần dùng lệnh như sau: destring price, replace ignore (“$” [, ignoreopts]) force float Chỗ REPLACE mình có thể thay thế bằng GEN (price_new) thì STATA sẽ tạo ra biến price_new ở dạng numeric. Còn nếu dùng REPLACE, thì ko tạo ra biến mới, biến price sẽ được chuyển thành biến numeric nhé. Web15 个回复 - 89289 次查看 我有两个数据文件,都有id_household、id_individual和year变量,其中主文件中样本数量少,using文件中样本数量多,且包含主文件中的样本。我现在想对using文件中的样本按照id_household和year进行筛选,挑选出符合主 ... 2015-3-24 14:54 - amdyxsls - Stata专版
WebDec 27, 2024 · 1 Answer Sorted by: 1 The minimal fix needed is import delimited using "`file'", clear varn (1) as your filenames may contain spaces. See help filename for basic documentation. Share Improve this answer Follow answered Dec 28, 2024 at 9:05 Nick Cox 35k 6 31 47 That's it! Thank you so much for your help. – IAN CHAN Dec 28, 2024 at … WebNov 16, 2024 · destring itself has an STB history going back to 1997, and it may be that some users got used to the fact that it could encode en masse (and that, to these users, …
WebNov 21, 2011 · You need to fix your "n.a." and "n.s." first, e.g. within a loop replace `var' = subinstr ("`var'", "n.a.", ".", .) replace `var' = subinstr ("`var'", "n.s.", ".", .) or as you did it. -destring- is just a wrapper for -real ()-, so -real ()- is not really an alternative except in so far as -destring- is not understood. WebYou have several options. First is to put "force" at the end of the command, which will turn all those non-numeric items into missing values. Second, sort your data and look at the …
WebMay 28, 2015 · destring, encode and recast are all (almost always) completely wrong in Stata for converting string dates and/or times to numeric dates and/or times. (I can think of one exception: if somehow a date in years had been imported as string with values "1960", "1961", etc. then destring would be quite all right.) In reverse order,
WebThe general workflow with these cases will be to optionally use generate to create the new variable, then use replace to conditional replace the original or new variable. As an example, let’s generate a new variable which categorizes … dark red clover with yellow flowersWebMay 30, 2024 · When I destring, the GDP data that contains decimal places gets ignored and simply comes out as a big number. destring yr*, replace ignore("..") Here is a … dark red color nameWebMay 27, 2024 · The syntax is just destring variable, replace, where variable should be replaced by the name of the variable (or variables) to be destringed. If the string … bishop pettifordWebMay 30, 2024 · When I destring, the GDP data that contains decimal places gets ignored and simply comes out as a big number. destring yr*, replace ignore ("..") Here is a sample of my data: yr2016 205276172134.901 .. 13397100000 When I run the command I posted, it transforms to: yr2016 2.053e+14 1.340e+10 dark red colored jeansWebsplit lnum, destring force All the new variables will be numeric. Yet, whenever a non-numeric piece of information appears, the value will be missing. For instance, if "lnum" is "60 b30", the value of "lnum2" will be missing. ... This may be used together with generate/replace. It looks for a "word", or more exactly, a sequence of characters ... dark red color for rocking chairWebNov 22, 2024 · Modified 4 years, 1 month ago. Viewed 263 times 1 I have string variables in my data that contain fractions and non-integers. ... generate(x) destring force egen y = ends(var1) if strmatch(var1,"*/*"), last split y, destring force p("/") replace x1 = cond(x1<0, x1-y1/y2, cond(x1!=.,x1+y1/y2, y1/y2)) if y1!=. keep var1 x1 Share. Improve this ... bishop peter smith portland oregonWebMar 15, 2024 · You will have to decide how you want to handle these, either replacing them by missing values, or by assigning single numbers to replace them. Then write the … bishop pete sheffield