Re: Sum statistic in descriptives

Posted by Jon Peck on Jul 20, 2017; 7:47pm
URL: http://spssx-discussion.165.s1.nabble.com/Sum-statistic-in-descriptives-tp5734557p5734558.html

Those statistics suggest that p (the mean) for HYPERTENSIVE is very small, so the result is probably rounding to 0 to the number of decimals displayed.  Try increasing the number of decimals shown either by changing the variable format to show more decimals or by editing the pivot table and increasing the display precision there.

On Thu, Jul 20, 2017 at 12:54 PM, Rebecca Burzette <[hidden email]> wrote:

I am using IBM SPSS Version 21 and have run into a little problem using DESCRIPTIVES.  When I request the SUM stat, I get a 0 for SUM in a variable which I know has 1 case.  Here is the syntax I'm using:
DESC HYPERTENSIVE /STAT DEF SUM.
My variable is coded 0 or 1 for absence or presence.  The syntax works fine with other variables with the same coding, but with more than 1 case -- e.g., HYPOTENSIVE has an incidence of 110 and its SUM stat = 110.  The minimum is 0 and the maximum is 1, so I have no idea what's going on or how to fix it.

Here is the output I get...
Descriptive Statistics
                              N Minimum Maximum Sum     Mean    Std. Deviation
HYPERTENSIVE        244 0                   1              0    .00        .064
HYPOTENSIVE         244 0                   1          110      .45        .499


Thanks,

Rebecca G. Burzette, Ph.D.
Assistant Scientist
Office of Curricular & Student Assessment
2259 Veterinary Medicine
Iowa State University
1800 Christensen Drive
Ames, Iowa 50011-1134

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