Tagged Questions

0
votes
0answers
45 views

Simulation for ordinal random variable utilizing multiple correlation

I need to design a simulation procedure for an ordinal variable, $Y$. I have data from a number of other ordinal variables $X_1,...,X_k$. What I want is: a) to define (or chose, I know some exist) ...
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0answers
49 views

What is the Net Promoter Score Data Type

As many people know Net Promoter Score is a customer feedback measure calculated from the response to the question: "How likely would you be to recommend [us] to a friend or colleague". The response ...
3
votes
2answers
255 views

How can I do a correlation between Likert scale and an ordinal categorical measure?

I have a 5 pt Likert scale and a measure of time on the internet e.g. 1= less than 10 mins, 2=10-30 etc as well as number of SNS contacts (1=10-30, etc). I would like to estimate their correlation but ...
1
vote
1answer
218 views

How can you run a correlation coefficient test among two ordinal variables with uneven scales?

I have two ordinal variables which are set on different scales. The variables were extracted from a questionnaire. The first variable ranges from -12 to +12 with a step of 1 width, ( -12, ...
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0answers
431 views

Polychoric PCA and component loadings in Stata

I’m using Stata 12.0, and I’ve downloaded the POLYCHORICPCA.ado written by Stas Kolenikov, which I wanted to use it with data that I have that includes a mix of categorical and continuous variables. ...
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0answers
132 views

Measuring statistical significance using correlation of ranked (ordinal) data

I am trying to do hypothesis testing and am wondering if I am setting up this problem correctly: My hypothesis is that the reviews of the computer parts for a computer model 'M' on website A ...
1
vote
3answers
2k views

About correlation of ordinal variables having different number of categories and about correlation of mixed type of variables

I have three questions: For data with different response categories (likert type or ordinal) what type of correlation should be calculated? I know for ordinal variables Spearman's rank correlation ...
0
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0answers
629 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
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1answer
549 views

Spearman or Kendall correlation?

I would like to assess the correlation between a 7-category ordinal variable (X) and a number of other variables some of which are ordinal with 3-6 categories, others are continuous and a couple are ...