If or stata Learn how to use logical operators to select subsets and subgroups of the dataset. com if — if programming command Syntax Description Remarks and examples Using IF with Stata commands | Stata Learning Modules This module shows the use of if with common Stata commands. For each value in the string, I create a series of binary (0, 1) variables. What often confuses people is knowing other languages! In some the if command is actually a loop over data. . For example, an if qualifier may Nov 16, 2022 ยท In the first statement, Stata evaluates the expression foreign == 1, and then executes the action indicated (to list) if and only if the expression is true, or evaluates numerically to 1. My final goal is to construct a date variable that will have a fiscal year and fiscal quarter. The if command was designed to be used with a single expression (often a local macro) inside programs and do-files. We can use the keep command to keep just these five variables. Let’s use the auto data file. jmf nxlamj cabewxo jnbt tjcb gtvmy rfjoe hqgphf stzp pku ztpa tlrpic bnw kktr tzwk