Math Forum / Math Software / SPSS / November 2007

I'm hoping that a fresh set of eyes or someone with more experience
than I have will be able to help me.
I have been busily computing variables but I keep getting an error
message for one of them. I've looked for the problem but for the life

Do you have any ideea why you may obtain with PLS negative values of
coefficients?
I tried with different software (SPSS 16, SPAD) but still I get
negative coefficients.

Immediate commands, like `VALUE LABLELS', are executed when they
are parsed.  You cannot control their execution with a control
construct (like a DO IF) because, even if the command is in a part
of the construct that is not executed, it is still parsed, so the

I am analysing association between genotypes and phenotypes in a data
set with twin families. To get rid of the intercorrelations I'd like to
use mixed models. However, as there are monozygous and dizyguos twins
included, I want to model the dependencies within the kinship ...

Hello! I have read through posts related to insufficient memory for older
versions of SPSS using cluster analysis. I have a similar problem with the
Mixed Model function.
I have a large database with 23,000 cases measured 1-3 times (nce1) across 4

I've been searching in the threads for simular problems, but couldn't
find it...
So; what I want to do is an Trend analysis that runs for each patient
id: ([mis] = missing).

I really need an SPSS/PC  v2.0 key disk or exact image copy of  one.  
This is the version for PC from 1988.  We have  the program up and
running to the point where it will start up and ask for the key disk.
The copy of the key disk I have does not work.

What would be the proper test to evaluate causality of BMI-  to diet
(of which baseline & then one year apart data is available) .
I would like to test either BMI as a continuous variable and as a
categorical variable.

I need to run some MS DOS batch commands (copy some files and run a
cscript-file) from the SPSS production Facility
It is possible with a Sax Basic command that in turn is referenced
from a SPSS syntax file (.sps)?

Hi, I was wondering if anyone knows how to go about creating a
TextWizard Predefined Format (TPF) file.  I have some data in ASCII
format and need to create one in order to use it in SPSS.  Any help
would be appreciated!  Cheers,

I am trying to select cases if var1 = 1 or var2=4 when var3 = 55. I
don't want to only keep var 3 cases when it equals 55. I want to
remove non 1 values for var1 and non 4 values for variable 2 WHEN that
value corresponds to a value of 55 on var 3. Is there a simple way to

Can anybody help me to finish my problem.
I have two tables. Table namesare A and T.
Table A has date and i1-125 collumns also called indicators. Table
has

I am trying to use SPSS to convert dotted quad IP addresses (e.g.
192.168.1.2) into a decimal equivalent for analysis.  I can do this in
Excel using the following formula:
Conversion of IP address to decimal

I have a question I am hoping to get some help with:
I have a data set with N = 447 clients. 4 clusters of clients have
been identified. I want to select 15 cases from each cluster randomly
selected to be representative of the age & sex distribution of each

I would be grateful to any one who could provide me with instructions
or syntax on how to calculate sensitivity , specificity, PPV, NPV
values and 95% CI and accuracy of a test in SPSS.
Regards,