*! version 1.0.1 28May2015 Malte Kaukal

Title

findsysmis -- Finding system missing values in a list of variables

Syntax

findsysmis varlist [if] [in] [, options]

strinclude includes string variables

list lists variables instead of creating tables

quietly suppresses variables in output

Description

findsysmis crawls through a list of variables named in varlist and checks every variable for system and extended missing values. By default it is limited to numeric variables only. String variables
can be included by using the option strinclude. Variables with any kind of missing values are presented in the output and stored in macros. Accordingly, variables can be used in further operations.

Missing values have to be system/extended missing values like . , .a, .b etc. or "" in string variables.

list and quitely can be used to create an output suiting best users' needs.

Returned results

Macros:

r(var) list of numeric and string variables with missing values

r(numvar) list of numeric variables with missing values

r(strvar) list of string variables with missing values

Author

Malte Kaukal, Hessen State Statistical Office

malte.kaukal@gmx.de

Acknowledgments

I would like to acknowledge the support of my colleagues at GESIS which lead to the creation of findsysmis.