WebWith generate and replace you can use + – for addition and subtraction you can use * / for multiplication and division you can use ^ for exponents (e.g., length^2) you can use ( ) for controlling order of operations. Recoding new variables using generate and replace Suppose that we wanted to break mpg down into three categories. WebTo. [email protected]. Subject. Re: st: Perplexed by the SUM function. Date. Mon, 16 Mar 2009 22:17:40 +0000. Lena, the function sum () creates a _running sum_ …
tabulate, summarize() — One- and two-way tables of summary …
WebNov 16, 2024 · Stata 5: How do I create a lag variable? Create lag (or lead) variables using subscripts. . gen lag1 = x [_n-1] . gen lag2 = x [_n-2] . gen lead1 = x [_n+1] You can create lag (or lead) variables for different subgroups using the by prefix. For example, . sort state year . by state: gen lag1 = x [_n-1] WebMost Stata commands can be followed by if, for example Summarize if rep78 equals 2 summarize if rep78 == 2 Summarize if rep78 is greater than or equal to 2 summarize if rep78 >= 2 Summarize if rep78 greater than 2 summarize if rep78 > 2 Summarize if rep78 less than or equal to 2 summarize if rep78 <= 2 Summarize if rep78 less than 2 grand hotel intrighi
Re: st: How to find the sum of a variable by a group id - Stata
WebAug 2, 2011 · If you want to keep the individual observations but want a variable containing the sum of y1 as follows hhid childid y1 sumy1 1 1 1 2 1 2 1 2 1 3 0 2 2 1 0 0 2 2 0 0 Then you can write (and you may need to -sort hhid- first) . by hhid: egen sumy1 = total (y1) On Tue, Aug 2, 2011 at 12:09 PM, Christophe Kolodziejczyk wrote: > > write instead > … WebThis is a two step process where you first define the label, and then you assign the label to the variable. The label define command below creates the value label called foreignl that associates 0 with domestic car and 1 with foreign car. label define foreignl 0 … WebJun 14, 2013 · 1 I am trying to execute the following code: forval i = 1/51 { // number of households by hhid, sort: gen nvals = _n==1 count if (nvals & stateID == `i') local stateTotalHH = r (N) local avPersonHH`i' = sum (numper)/`stateTotalHH' if (nvals & stateID ==`i') drop nvals } Everything works fine except if is not allowed with sum (). grand hotel intrighi e passioni wikipedia