IBM SPSS Statistics (formerly SPSS, i.e. "Statistical Package for the Social Sciences") is a proprietary cross-platform general-purpose statistical software package. [For SPSS Modeler, use 'spss-modeler' tag.]

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spss, how to enter the covariates for adjustment..?

I Spss, how do you Adjust for two binary variables, "gender" and "age" (<24 >23)? The primary covariate is a continuous variable with a binary dependent. Is it correct to insert age * gender or is ...
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Correlations between nominal data with multiple options

I would like to investigate which genetic variations appear with a higher frequency on one (left OR right) or both sides of a tumor (left AND right) within an array of different patient samples. ...
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14 views

Categorical data comparison

I've been struggling with the following problem and I am not sure if I am using the right statistical method. Namely, I am analyzing passwords characteristics from a questionnaire and from real ...
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14 views

Trying to run ANOVA with time variables

First, can I do this? I never learned of using hours:minutes:seconds as ANOVA values. Second, out of my 3 groups, only one is normal and no transformation will work (can I even use transformation for ...
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17 views

ANOVA possible?

I have 2 groups (variable = condition) Control, Experimental - I have coded them as 1,2 in SPSS. I have measured these at three time points - pre, ret1 ret2 (currently just a string variable) I have ...
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32 views

Conflict answers between SPSS and R Software [closed]

I used R software (auto.arima function) in getting the best ARIMA model for my data. Then I used SPSS in getting the parameter estimates since there is no p-value ...
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1answer
49 views

chi squared with proportions

We want to know whether there are any differences in the location of mole hills that occur in two fields. We have been looking at the distance from a fence that mole hills occur. We have separated ...
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1answer
14 views

nominal variable (fixed actor) only relevant to a subset of data in SPSS / GLM

An example to illustrate the question I have: Suppose Strength is a function of gender (male/female) and, AMONG MALES, testosterone level (low, medium, or high). I don't care about testosterone ...
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2x2 moderated mediation model - how to build the moderator?

Hello friends of statistics, first of all I want to excuse for my bad english skills. Nevertheless I need your help :) My Design: IV-1: social status of person, IV-2: public vs. private shown ...
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16 views

Binary Logistic Regression with multiple binary and ordinal independent variables

In my data set I have one dependent variable (dead or alive) and 37 predictor variables. 35 of my predictor variables are dichotomous (Obese: 1 or 0, Female 1 or 0, etc), however 2 of my variables are ...
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16 views

Performing PCA on a tetrachoric matrix in SPSS

I am currently working on a project where I have nine dependent variables, each binary, measuring similar outcomes. Accordingly, I'd like to perform a principal component analysis on them to reduce ...
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23 views

Problem with number of dimensions in a correspondence analysis

I got 3 variables: X: numbers between 0-40 Y: numbers 0-1 Z: numbers 1-3 Each variable include 1000 samples. I would like to perform the analysis between [X, Y], [X, Z], [Y, Z] I use the same ...
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18 views

How to conduct a Generalized LM in SPSS, with proportion dependent variable

I must deliver some analysis result report, by using a Generalized Linear Model for a dependent variable I have, which is in proportion values (invisibility), with two factors. The first factor is a ...
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SPSS: GLMM and(adjusted) odds ratio

I am performing a retrospective study and the relative statistic analysis. I am studying the the risk factors for the occurrence of complications during medical procedures. I have 50 subjects ...
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6 views

SPSS Mixed model with imputed data and model LLC scores

I am supposed to build several models (it is multilevel analysis of students from different schools). I used multiple imputation for missing data after running MVA and pattern analysis. Now I have 5 ...
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DFA in SPSS: Sorts effectively, but Box's M is still 0.000. Is the analysis worthless?

I am a geologist attempting to apply the discriminant function analysis to surface features I have mapped in ArcGIS. At the moment I have 4 dimensionless sorting variables calculated for each feature, ...
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18 views

10-fold cross validation of a Multinomial Regression Model SPSS 20.0

I have a set of 125 people that belong to one of four nominal categories. Each person is described with 7 descriptors with 2-5 nominal variables that I use in my regression model to predict the ...
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1answer
103 views

Adjusting for confounders when comparing means with t test

In an article I found recently they were able to compute the difference in means of two groups (presumably with a t-test) while adjusting for confounders; they called this the aDiff (adjusted ...
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19 views

Different results when conducting regression and ANCOVA in SPSS [closed]

I'm conducting a regression analysis with two binary categorical variables and one continuous variable as independent variables. From my understanding, the results should be identical as the results ...
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1answer
32 views

PROCESS macro in SPSS - Analysis for multiple IV?

I have a moderated mediation model with 4 IVs, 1 mediator, 1 moderator, and 1 DV. I can't find the right model in the templates provided by Andrew Hayes for his SPSS PROCESS macro. Can I carry out one ...
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18 views

Trying out a Leave-one-out cross validation and I'm not sure what to do with the output

I'm very new to cross validation, but I'm submitting some regression models as part of a paper and the reviewers are requesting it. I used the method listed here on a regression model with 200 ...
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13 views

Generalized Linear Model on SPSS with the 'error': “set to zero because this parameter is redundant”

For my dissertation I have a lot of data and many nominal variables. None of my data is parametric. I tried transforming some of the percentage data with arcsine because it was in proportions and the ...
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1answer
15 views

Problem with Wilcoxon test in SPSS

I have a question about Wilcoxon test in SPSS. For a work in my university i have to test 2 results of metrics applied in 2 algorithm (A2-NSGA3 and NSGA2), the results are as follows: ...
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25 views

CATPCA Missing values

I have posted a question on stackexchange and you answered me very well before. Thank you. I have another CATPCA question and I want to ask to find out how missing values are used if you select ...
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6 views

How do I manually calculate post-hoc tests of independence between all cells using output from SPSS complex systems module?

I'm trying to run post-hoc tests of independence between all cells using a data set that I need to run the complex samples module in SPSS. How do I use this output that includes population proportion ...
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32 views

How can I transfer an ARMAX model in Excel in order to forecast future values?

I am currently trying to set up an Excel based tool, that alows to predict future values based on an ARMAX model, previously set up in SPSS. The Excel tool contains the coeffienients, calculated by ...
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Which statistical test (2 x 2 x 2 three way factorial design, splitted dependent variable)?

I have data collected via a survey and the study is a 2 x 2 x 2 between subject design. For the dependent variable I asked two questions so that it is a split DV = DV_1 + DV_2. My question is, which ...
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24 views

Analysis of experiment without using MANOVA

My dissertation topic is on differences in body image in different dance and different skill levels. My IV is dance type (Dancehall, Street, Contemporary, Ballet, Other and non-dancer) my DV's are 5 ...
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10 views

Semi-supervised classification on SPSS tool

I'm facing with the business topic to be solved, that is risk classification on bunch of email correspondences. Risk labels are ordinal (High/Mid/Low) and flag-type (Yes/No) labeled by experts but ...
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31 views

How is the Mann-Whitney U statistic calculated in SPSS?

I get different results using NPTESTS and NPAR TESTS in SPSS for the U-statistic. Can someone please tell me which formula is used for these two procedures, respectively. It looks like NPAR TESTS ...
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21 views

Interpretation of post hoc chi square test results

I have a $2\times 3$ table cross-tabulation. I've done a post-hoc test using SPSS but I don't know how to interpret the results. This is the output:
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11 views

Using multiple imputation followed by repeated measures

I have missing data that I have done multiple imputation with. I want to then use the means or 'pooled' data from the five imputations to do a repeated measures ANOVA. It seems I can't do this in ...
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8 views

Measuring the value of multiple measurements

I've obtained 10 readings for a subject. If the true value is the mean of the 10 readings/observations how can i calculate how much a single reading correlates with mean of 10 readings and how does ...
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27 views

Nominal/Ordinal and scale in SPSS OLS regression

I'm running an OLS regression in SPSS and have a question about models that feature both Scale and Nominal/Ordinal variables. I say nominal/ordinal because the variables I'm looking at range from 0-2, ...
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32 views

Two-way repeated measures ANOVA

The study is blinded and every participant has to perform a 1000m cross country running test on: a) high altitude while simultaneously intaking a beet root drink b) high altitude while simultaneously ...
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42 views

How to compare coefficients in different models?

I used a binary logit regression with three different dependent variables in order to end up with three models. The dependent variables are configured with 0=no/1=yes. I use a variety of different ...
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22 views

Conditional logistic regression using SPSS

can anyone provide me with any reference that illustrates how to use conditional logistic regression using SPSS?
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34 views

ROC curve smoothening

I conducted a logistic regression analysis in SPSS which resulted with a very good model. However when I wanted to do the ROC curve, it was drawn using only three points (see figure). All the examples ...
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27 views

How to report decision tree statistics?

I need to do a formal report with the results of a decision tree classifier developed in SPSS, but I don't know how. I know there are really well defined ways to report statistics such as mean and ...
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62 views

Multinomial Logistic Regression in R vs SPSS

Apologies for re-asking a closed question [previously closed since it appeared that the R and SPSS datasets were off by one value], but now that I've had the time I have a concrete example where R and ...
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18 views

Should I use a Mixed ANOVA?

I am struggling on which type of ANOVA to use for my work, I will provide as many details below about the study design, at the moment I am thinking mixed ANOVA but im encountering some problems which ...
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34 views

Distribution of data is very separated in my graph

First post here but I am quite stuck. I plotted the date an award was given to a university, against their change in score (I calculated an index of change). It has given me this graph which i am ...
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20 views

How to prove that means are not equal in SPSS

We have several samples for which we have to prove that they don't have the same means. I showed that they don't have the same distribution and their means are much different, so I see that they are ...
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57 views

Where can I find tests that validate the output of popular statistical software? (e.g. R, SPSS, SAS)

This has been difficult to search on Google. I've looked on R's website as well. I assume there are test suites that validate that R, SPSS, SAS, et al are giving the right output for a given analysis? ...
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Query on Reliability. The Cronbach's Alpha, Study on Resilience of Vulnerable Children (CYRM-28)

I am doing a research on Risk, Protective factor and Resilience of Vulnerable Children (A study based on Children residing in the Government Children's Homes in Kerala, India). I have used Child Youth ...
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22 views

Mixed model specification problem

I have an experimental design with 2 between subject factors (0 vs 1) and 7 within subject factors (7 of 28 possible levels). I measure two scale variables (Mod ...
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1answer
33 views

I don't know how to determine the P-value for my OR.

I'm new to logistic regression.suppose i have a binary outcome (Y) and categorical independent variable (X). when i run the test on spss, for every category there is a different P value. please i want ...
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17 views

Parameter Estimates in Repeated Measures

I'm totally clueless whether I'm doing this right. What I did was the collect the following measures, it was a within subject design. I'm not sure whether to run with MANOVA or Repeated Measures ...
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49 views

Anova of metric items: SPSS and R display different square-sums and F-values. Which is the better philosophy?

With a small book-exercise with four metric variables on 10 cases (one dependent/outcome, three independent/predictor) I ran linear regression in SPSS and ...
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Significance Value is always 0 at SPSS Normality test

The histogram looks like normal very highly. But the K-S test shows the table having significance value is 0 At this case, how could we solve this problem?