Stat Computing > SPSS > FAQ

SPSS Starter Kit:  Frequently Asked Questions

If your question is not answered in the FAQs listed below, please see our main FAQ page.  That page contains all of these FAQs, as well as about 10 more.

• Data Management
• How do I convert among SAS, SPSS and Stata files?
• How can I see the number of missing values and patterns of missing values in my data file?
• How do I count the number of missing values for a character variable?
• How can I get a count of how many cases are missing in a string variable?
• How can I easily convert a string variable into a categorical numeric variable?
• How do I create and modify string (character) variables?
• How can I change a string variable into a numeric variable?
• Regression
• How do I interpret the parameter estimates for dummy variables in REGRESSION or GLM?
• How can I compare regression coefficients between two groups?
• How can I compare regression coefficients across three (or more) groups?
• How can I do a scatterplot with regression line in SPSS?
• How do I test a group of variables in SPSS regression?
• How can I graph two (or more) groups using different symbols?
• How can I display overlapping data points on a scatterplot?
• Why can't I get a regression line on my scatterplot using igraph?
• How can I output the results of my regression to an SPSS data file?
• Analysis of Variance
• How can I do ANOVA contrasts in SPSS?
• How can I plot ANOVA cell means in SPSS?
• How can I do tests of simple main effects in SPSS?
• General Statistics
• How do I interpret the results from crosstabs?
• How can I run a logistic regression with only a constant in the model?
• How do I standardize variables in SPSS?
• How can I analyze my data by categories?

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