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Spss code does not equal how to#

Even though it's clear that doctor_rating = 6 indeed for such cases, 6 being a missing value still causes SPSS to return “unknown” for this comparison. Returns system missing values for cases having “6” (a user missing value) on doctor_rating. This holds for user missing values (which are not really missing or unknown) as well. SPSS operators will return a system missing value (meaning “unknown”) when a missing value is encountered in a basic operator. Like so, this is a great shortcut for dichotomizing variables and we'll use it throughout this tutorial and many others.

a system missing value for cases having a missing value on doctor_rating.Īfter running this syntax on our data, we see the result in data view as illustrated by the screenshot below.

0 for cases not having 5 on doctor_rating.

This seemingly trivial fact opens up some surprising shortcuts. SPSS uses 1 to indicate “true” and 0 to indicate “false”. SPSS operators can return three values: true, false and unknown. SPSS Basic Operators ExpressionĮvaluate whether one or both of the conditions hold Missing values doctor_rating to facilities_rating (6).

Spss code does not equal how to#

We'll demonstrate how to get things done on the last 5 variables in hospital.sav.īefore jumping into SPSS operators, we'll first set 6 as a user missing value for all relevant variables by running They work mostly as you'd expect but they do have a couple of surprises in store.

SPSS basic operators are mainly used with IF, DO IF and COMPUTE.

SPSS Basic Operators By Ruben Geert van den Berg under SPSS Blog