Reading
your Results Report - Percentages
Interpreting
the results of the Describe - Percentages function
The
results report for your percentages contains frequency and
different kinds of percentage data for each variable you
selected for analysis.

In
the example above, the variables "grade" and "gender" were
selected for analysis.
Definitions
for the columns are as follows:
Frequency. This
is the total number of cases that there are for each level
of the variable. In the example above, we can see that there
are 4 students in 6th grade, and 3 each in 7th and 8th grade.
If your variable had missing values, a row would be displayed
indicating how many missing values there were.
Percent. This is the percent of the total
number of cases that each level of the variable contains.
In the example above, we can
see that 70% of the students had a gender of 1 (male), while the remaining
30% had a gender of 2 (female). If your variable had missing values,
a row would be displayed indicating the percent of the total
number of cases
that contained missing values.
Valid Percent. This column is only useful
if you have missing values; otherwise, the results are identical
to the "Percent" column.
If you do have missing values, the Valid Percent column contains the
percentage of the total for each level of the variable, not including
missing values.
Cumulative Percent. This column simply adds
up the valid percents to obtain a total of 100.
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