Webi’s plus one for y) is sufficiently small—meaning that it can fit in a Stata matrix (see[R] Limits). If you have more variables than can fit in a Stata matrix, regress will not work. areg provides a way of obtaining estimates of —but not the i’s—in these cases. The effects of the dummy variables are said to be absorbed. Example 1 WebJun 4, 2024 · Now I face one additional problem: The new dataset consists of the coefficients as I intended to, the gsector_n and fyear. However, there is no company identifier (gvkey in my case) variable. Is there any chance that your code does not delete …

Introduction to Loops in Stata - University of Arizona

WebOct 14, 2016 · Take the temperature dataset we created as an example. Let’s say we want to rename variables mtemp1-mtemp12 as mtempjan-mtenpdec. We can do so by just … Web> bys gvkey : egen byte nobsf=sum(enn) > bys gvkey : drop if nobsf<4 > here 'gvkey' is the firm identifier, and I want only those firms who > have four or more years of data. I could, … in golf a score of 6 or 7 is called

Regression by year and companyID to save coefficients

WebFeb 27, 2012 · Stata breaks the list into elements wherever it sees spaces, so this list contains three elements: red, blue, and green. The left curly bracket ( {) marks the beginning of the loop and must be at the end of the foreach command. The right curly bracket ( }) marks the end of the loop and must go on its own line. WebThe foreachcommand loops through a list while the forvaluesloops through numbers. The first line of the code above is very similar to how you would create a macro. The line begins with the command foreachfollowed by the name I want to use to represent a group (exactly the same as a macro). WebAug 15, 2015 · 2. Consider storing the regression estimates, then use outreg2 outside the loop, concisely with a wildcard [*]. See Example 3 of the outreg2 doc: foreach i in first … ingolf bast