Tagged Questions
0
votes
1answer
25 views
Need help selecting test for nominal IV with categorical DP
I am going to attempt to give you as much background as possible.
My independent variable is nominal and describes the number of days after which an insect was exposed to new conditions (0,1,3,5,7).
...
0
votes
1answer
30 views
spss: working with two binary/dummy variables
Am trying to set a few binary/dummy variables against each other, i.e. propensity_to_dance and gender.
I assume that it' ok to ...
0
votes
1answer
690 views
How do I interpret logistic regression output for categorical variables when two categories are missing?
I am using binary logistic regression; the dependent variable is 1 or 0; the independent variables are two groups: the first group includes continuous variables (...
0
votes
1answer
157 views
Mean regression factor scores and attributes cross tabulation yields. Why are all expected signs reversed?
I ran a factor analysis on 20 reasons for purchasing 4 different Goods. These are ranked on a likert scale from 1-5 with 5 being the "extremely important case", 4 important case, etc. I extracted 4 ...
1
vote
1answer
127 views
Multinomial regression with categorical choice and predictos and factor analysis
I have a non-ordinal categorical dependent variable with 3 choice outcomes and 20 ordinal categorical predictors and want to do a multinomial logistic regression. However, I want to reduce the ...
1
vote
1answer
683 views
Cronbach's alpha continuous and dichotomous data in SPSS
I have one question about using SPSS to calculate Cronbach's alpha of a measure that draws on two types of items: one yields ordinal data and the other dichotomous. The ordinal data are produced ...
5
votes
3answers
527 views
1
vote
2answers
794 views
SPSS dummy variables in OLS
I have a timeseries dataset holding stock data for a large set of companies. Assume the following subset, where obsDay is the observation day (148 days in reality) ...
3
votes
1answer
63 views
How to handle news coverage ratio in a regression analysis?
I have collected data from Twitter, Google and Wikipedia to look for any correlations (and perhaps predictive value) against the stock market.
I have collected daily Twitter, Google and Wikipedia ...
5
votes
1answer
1k views
Generalized estimating equations output in SPSS
I am hoping to confirm that I have a suitable way to analyse the different proportions of people who are categorized as left lateralised on the one hand, or bilateral/right lateralised on the other in ...
3
votes
1answer
1k views
Factor analysis for ordinal variables that have different categories
I have a data set that contains about 40 categorical variables that are taken as independent variables (and believed to be related to some unobservable human resource factors) and 4 categorical ...
2
votes
1answer
347 views
Association between 2 categorical data (using SPSS)
In a sample of 250 cardiac patients who have had a myocardial infarction and just left hospital, I asked them how important it was to them to know several issues, such as "How important is it for you ...
0
votes
0answers
599 views
How to perform correspondence analysis on ordinal data in SPSS?
I have 500 rows and three columns. Two of the variables (that i want to analyze) are in ordinal form and the other in scale. However, when i run the correspondence analysis wizard in SPSS i can only ...
2
votes
3answers
6k views
How to correlate ordinal and nominal variables in SPSS?
I have imported an Excel document in SPSS which contains around 500 entries. Three columns are defined using Likert scales. I have substituted textual values with numerical values from 0 to 4. The ...
4
votes
1answer
3k views
How to perform principal components analysis on binary (Yes/No) data using SPSS?
I have a dataset with a large number of Yes/No responses. Can I use PCA or any other data reduction analyses for this type of data? Please advise how I go about doing this using SPSS.
4
votes
3answers
6k views
Can I use multiple regression when I have mixed categorical and continuous predictors?
It looks like you can use coding for one categorical variable, but I have two categorical and one continuous predictor variable. Can i use multiple regression for this in SPSS and if so how?
thanks!
4
votes
2answers
9k views
How to deal with not-binary categorical variables in logistic regression (SPSS)
I have to do a binary logistic regression with a lot of independent variables. Most of them are binary. Few ones are categorical with more than two possible values.
Which is the best way to deal with ...
