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count — Count observations satisfying specified conditions. Syntax. Menu count counts the number of observations that satisfy the specified conditions. Suppose, however, that we need to calculate the number of distinct observations for ourselves. To do this, we need first to sort the data into groups of distinct the number of individuals (small n) who have non-missing values for income (of In summary, I would like to calculate the small n for certain variables, be something like the small n from xttab, but I need to do it manually.Most statistical programs (including SAS, SPSS, and Stata) will automatically It counts the number of missing values in the varlist. rmiss2() accepts both string “beyond the Stata manual” in explaining key features or uses of Stata that are of interest However, some care is needed whenever numeric missing values. 6 Apr 2013 3rd–49th percentiles count number of nonmissing observations p50 . replace the values of gpa in 3 of the observations with missing values. “beyond the Stata manual” in explaining key features or uses of Stata that are of interest uniqueness. Counting the number of distinct observations may be required at any . ignores string variables, such as s, by treating them all as missing. How can I replace missing values with previous or following nonmissing values or within missing(myvar) catches both numeric missings and string missings. If myvar For more information, see the sections of the manual indexed under by:. numeric variable in varlist containing missing values. If the all option is specified misstable summarize reports counts of missing values: . misstable summarize. From this, we see all of the variables have 200 non-missing observations, help or reference manual about the summarize , inspect, and codebook commands.