Diff Stata. To install type ssc install diff p value for the treatment effect or did estimator. How to use diff stat follow all directions on the product package.
Also one of my favorite parts of stata code that are sometimes tedious to replicate in other stat. Stata calculates the t statistic and its p value under the assumption that the sample comes from an approximately normal distribution. Refer to the label directions for your specific product to see if the dose should be swallowed whole chewed sprinkled onto food.
Some brands of diff stat probiotic capsules need to be stored in a refrigerator.
Control for unobservable and time invariant characteristics. Refer to the label directions for your specific product to see if the dose should be swallowed whole chewed sprinkled onto food. Stata calculates the t statistic and its p value under the assumption that the sample comes from an approximately normal distribution. To use diff in diff we need observed outcomes of people who were exposed to the intervention treated and people not exposed to the intervention control both before and after the intervention.
