Bysort Stata Egen. Nov 24 2016 In accounting research we have to calculate industry means and standard deviations. Further in the latest versions of Stata we can combine sort and by into a single statement.
We can make use of the wildcard to indicates that we wish to use all the variables. One of Statas most powerful and useful commands is egen. Egen stata cmd compute a summary statistics by groups and store it in to a new variable.
One of Statas most powerful and useful commands is egen.
Stata cmd bysort varlist 1 varlist 2 rc0. Egen newvartotalsomevar missing The total of somevar yields a missing value if all values of somevar are missing In the same vein you may use the functions iqr interquartile range kurt kurtosis mad median absolute deviation mdev mean absolute deviation min try and guess skew skewness. Lets use our trusty autodta. Some examples are variables whose values are the mean of another variable for each group such as sociability for males and females.
