1.2 forvalues Loop over consecutive values forvalues 只能用于数值的循环 *Synax forvalues lname = range { Stata commands referring to `lname' } 对于while中方程求解例子,我们也可以用forvalues来做,假如我们猜到解在1-3范围内 forvalues x_est = 1(0.0001)3{ if abs(`x_est' ^ 2 - 4 * `x_est...
Title stata.com forvalues—Loop over consecutive values Description Syntax Remarks and examples References Also see Description forvalues repeatedly sets local macro lname to each element of range and executes the commands enclosed in braces.The loop is executed zero or more times.Syntax forvalues l...
S458759 IVREG_SS: Stata module to compute confidence intervals, standard errors, and p-values in an IV regression in which the excluded instrumental variable has a shift-share structure byRodrigo Adão & Michal Kolesár & Eduardo Morales & Xiang Zhang S458758 REG_SS: Stata module to compute ...
Note that as explained inhttps://www.stata.com/support/faqs/data-management/try-all-values-with-foreach/it can be a lot easier to loop over numeric levels 1 up than to handle long and possibly complicated strings. So, if the approach above fails, consider egen cat = group(category), la...
forvalues : loop over a numlist, performing a block of code local : define or modify a local macro (scalar variable) use : load a Stata data set save : write the contents of memory to a Stata data set insheet : load a text file in tab- or comma-delimited format ...
S458811 DICT: Stata module to loop over multiple arguments by Daniel Alves Fernandes S458810 MULTIDENSITY: Stata module for kernel density estimation for many variables or groups by Nicholas J. Cox S458809 GCROBUSTVAR: Stata module to compute a VAR-based Granger-causality Test in the Presence ...
Loop over a numlist. foreach num of numlist 1 4/8 13(2)21 103 { display `num' } If you wish to loop over many equally spaced values, do not code, for instance, foreach x in 1/1000 { ... } Instead code forvalues x = 1/1000 { ... } foreach must store the list...
We are going to loop over the values ofpersonwithin each family. We can see in the example that these range from 1 to 5, but, more generally, we can pick up the maximum fromsummarize, like in the previous problem: . summarize person, meanonly ...
Note thatforeach i in yearis legal, but not at all a loop over the distinct values ofyear. It's a loop over one item, the name or text"year". Also you need different syntax for referring to the local macro inside the loop, as just given. ...
(one-to-oneormatchmerge)encode: generatenumericvariablefromcategoricalvariablerecode : recode categoricalvariabledestring :convertstringvariablestonumericforeach :loopoverelementsofalist, performing ablockofcode forvalues :loopovera numlist, performing ablockofcodelocal:defineormodifyalocalmacro (scalarvariable)...