Stata 15 help for count

[D] count -- Count observations satisfying specified conditions


count [if] [in]

by is allowed; see [D] by.


Data > Data utilities > Count observations satisfying condition


count counts the number of observations that satisfy the specified conditions. If no conditions are specified, count displays the number of observations in the data.


Setup . sysuse auto

Count the number of observations having rep78>4 . count if rep78>4

By categories of foreign, count the number of observations having rep78>4 . by foreign: count if rep78>4

Stored results

count stores the following in r():

Scalars r(N) number of observations

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