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Questions tagged [ordinal-data]

Data with categorical values that can be ordered by magnitude, but the exact distance (spacing) between categories is undefined or unknown.

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Methodology help for ordinal time series regression with time intervals

I have an ordinal variable (with four categories, $1-4$) in $N$ number of discrete time intervals $[T_1, T_1+h]$. The number of outcomes varies between the time intervals. I want to model these ...
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17 views

What statistical analysis should I use for 1 continuous independent variable and 3 dependent variables [on hold]

For the independent variable I have asked participants how long many hours per week they do a particular activity. The three dependent variables are 5 point likert scales. What statistical analysis ...
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How should I deal with continuous independent variables in a regression for ordinal dependent variables?

I am doing a research for which I will perform a data-analysis in SPSS. My dependent variable is 'father involvement'. I have four different questions that have measured different forms of 'father ...
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Main effects flip sign when adding interaction term in ordinal logistic regression

I am running an ordinal logistic regression. DV: policy score (0-3). IV: all continuous scale (GDP, corruption perception, total number of mines) All IV have a positive correlation with DV. When ...
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1answer
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Why Converting Regression to Ordinal Regression

Intro: Ordinal Regression/Classification is a classification where the labels have orders (https://en.wikipedia.org/wiki/Ordinal_regression) Question: Can you comment what are pros and cons if ...
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Plot of two ordinal variables?

It is common to represent various (ordinal, social) attributes on a pair of axes as in the examples below. In general, what is this sort of graph/representation called? It is, perhaps, useful to ...
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Binomial logistic regression with multiple Likert-scale (ordinal) predictors

My colleague wants to perform binomial logistic regression with data that include: binomial (T/F) response variable 35 different Likert-scale (1-5) predictor variables to choose between. N = 300 ...
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Regression/ classifcation model with Ordinal Outcome types and uses

Can somebody explain me the different types of models for the train function from the caret package in R under the heading "ordinal outcomes"? Specifically, "Adjacent Categories Probability Model for ...
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1answer
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Repeated measures: Use random intercepts model, too many intercepts?

This is a common question, but I couldn't find a question / answer on Cross Validated dealing with the same problem. In short, is 1000 intercepts too many intercepts, that is, can individual be a ...
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30 views

Cluster analysis for ordinal temporal data

My objective is to cluster individuals according to their answers to a questionnaire. My data contains 10 variables across 20 quarters in 5 years. All variables are ordinal and take values from -5 to ...
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1answer
34 views

Ordinal regression or multiple regression?

I'm using STATA and this page to find a proper test, but I'm not sure which is better fitting, an ordered logistic regression or multiple regression? My dependent variable is life quality (ordinal ...
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3answers
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When transform variables to int or to ordinal variables to compute a linear regression model in R?

I am working in R with a database that contains variables as seasons, months, days, temperature, humidity and cnt (integer values). I want to compute a linear model using cnt as the dependent variable ...
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Are median values numeric or ordinal?

I'm trying to set up the input data that I'd feed into my DL model and for the simplicity, I'm thinking of plugging in only the min/max/average values of the original data. (This is necessary for my ...
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1answer
42 views

Using emmeans with clmm to look at joint effects

I am running an ordinal model on rating data, with 1 random effect (subject) and 2 fixed effects (condition with 3 levels, probe.position with 6). I use the clmm function from the ordinal package. I ...
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Analysis for a Within-Subjects Design with Ordinal IV and Continuous DV

I have a set of non-normal data I'm trying to analyse but am worried I'm violating the assumptions of my chosen test. I have a 18-trial within subjects experimental design. Participants received an ...
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18 views

Conditional dependence between two ordinal variables

I really hope that this question was not answered in any way before, but I couldn't find an appropriate solution to my problem - most probably due to my lack of statistical knowledge. I am trying to ...
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Ways to compare Likert ratings with non-equal total response count

I have Likert response data like this in which the surveyor asked 188 raters to rate on a 1-5 Likert scale for 6 different stories with the question, "I'd like to hear more stories like this". Some of ...
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1answer
29 views

Post-hoc testing for cumulative link mixed-effects model with interactions in R

I'm a resident physician working on my doctor's thesis and I'm trying to analyse data from a survey with R. I have basic mathematic and rookie statistics skills. Participants of the survey have been ...
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1answer
27 views

Which statistical analysis to use on ordinal questionnaire data?

I would like to analyze data on questionnaire scores on quality of life between two different groups. There are 20 quality of life questions, all with responses on a Likert scale 1-7. So I have an ...
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2answers
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Does the total of ordinal scores on a questionnaire become scale in SPSS?

I have a questionnaire whose data I've inputted into SPSS. I wanted to ask that do the total scores of likert items become scale and no more ordinal?
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24 views

Power analysis for ordinal logistic regression (multiple independent variables)

I have a question with regard to a simulation based power analysis for ordinal logistic regression suggested here: https://stats.stackexchange.com/a/22410/231675 (by Greg Snow) The suggested power ...
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How to assign class weights & also mis-classification cost in multi class classification of Vowpal Wabit?

I have a problem of Ordinal Classification consisting of labels 1 < 2 < 3 < 4 < 5 < 6. Since the data and cardinality of features are extremely large I have but one choice to use Vowpal ...
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17 views

ANOVA does not produce results only dots

Question: I am trying to use an ANOVA on the following variables, but the results are only dots. How come? Dependent variable: grades (0, 1) where 0 = fail and 1 = pass Independent variables: ...
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Multivariate ordinal regression

I am facing the following problem: 100 respondents answered a questionnaire with 30 questions, each with a 5-point-Likert scale. The 30 questions can be subdivided into 2 x 15 (Blocks A and B). ...
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Compare categorical variables that are not(?) independent

I have some survey data in which respondents were classified in to two overlapping groups (i.e. respondents who work in a profession and people who do this same work on their own-- many people do ...
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What is an appropriate way to re-scale ordinal features, for cluster analysis? AND any thoughts on euclidean-distance for ordinal data?

Background I have data from surveys (on political views from CSES) with answers from respondents in ranking-scales, either 0:10 (0, 1, 2, ..., 10) or 0:3 (0, 1, 2, 3). I want to analyze this data ...
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Which test to run for effect of nominal independent variable on multiple ordinal dependent variables

Im new to stats so dont shoot me. I am trying to work out what is the correct test to run in the following scenario Does the independent nominal variable of colour, with four categories (Blue, Brown, ...
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Analysis for Pilot Test Study Results

Is it possible to use Cronbach Alpha for a preliminary test study that has mostly dichotomous, nominal or ordinal responses or is this analysis method only specific for interval level responses such ...
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36 views

Calculating sample size for one 5-point likert item

I am trying to calculate the optimal sample size for a hypothetical experiment with the following: Treatment condition (n TBD) Control condition (n TBD) My dependent variable is an 'intent score' ...
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17 views

Association between an ordinal Likert variable and a nominal variable

I have responses from a 7 point Likert semantic differential scale -let's say from 'Completely Agree' at one end to 'Completely Disagree' to the other- and a nominal/semi-ordinal age groups variable ...
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6 views

Spatial clustering of ordinal attribute

I have a set of polygons (ESRI shapefile), each with one ordinal value. The values are in the range of 1 to 100. Not all values within this range are used and there can be repetition of values across ...
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12 views

Two correlated ordinal independent variables, several continuous dependent variables

I am currently struggling with a somewhat atypical analysis. People have been evaluating their cognitive state at two time periods – when they had attended school and at the present moment. Naturally, ...
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12 views

How to test for differences between groups for ordinal outcome variables in SPSS?

I do not have experience with ordinal data, please help me out with my questions? I have conducted a survey which consists of 25 Likert-items, these items are all statements for certain conditions ...
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3answers
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Why linear regression and then approximation to the closest integer value is a bad idea if your dependent variable is ordinal?

While thinking about methods on how to predict a dependent variable that is ordinal and constrained (0, 1, 2, 3, 5 are the only possible values), I found that an ordered logistic regression is an ...
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Create a composite score from nominal, ordinal and scale data [duplicate]

I want to calculate a composite score for temper tantrums' severity. I want the variable to be dichotomous so that it represents normal temper tantrums and severe temper tantrums. Severe tantrums ...
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Ordered logit and proportional odds assumption

According to Wikipedia, ordered logit regression relies on the proportional odds assumption. Suppose that the proportion of people in groups 1, 2, 3, 4, and 5 are given by p1, p2, p3, p4, and p5. ...
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Correlation-like characteristic for ordinal feature with only three values

I have tabular data with two variables: one of them is regular continuous (float) variable and the second one is ordinal with three values only. I want to measure their dependency. (If it can help, I ...
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Correlation between “ Time of the day” and an ordinal variable

My hypothesis is The compliance score (Dependent/ ordinal variable) varies during a different time of the day. for example, I would expect high compliance between regular working hours 7 am - 5 pm -...
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“Down” “Null” “Up” logistic regression

I am familiar with binomial (logistic) regression and with multinomial regression based thereon. Is there a technique specifically adapted to "trinomial" data, where the data can be represented -1, 0, ...
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28 views

Two predictor variables are partially related. How do I handle them before performing logistic regression

I have a predictor variable which has three levels (success, failure, nonexistent). For all nonexistent values another predictor variable value is 0 but success and failure could fall within a range ...
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15 views

which test to use

I'm wondering which statistics should I use. I’ve conducted an acceptability judgment task using 7 point scale for 8 different conditions. My study has a 2*2*2 factorial design with two level for each ...
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1answer
22 views

Analysing partially ordered responses

I'd like to analyse judges' decisions on bail. Ie some decisions (remand in prison) and clearly worse than others (unconditional bail). But in the middle there are a range of possible responses that ...
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1answer
67 views

How to calculate the covariance matrix for a categorized variable?

Let $X$ and $Y$ be jointly distributed as a multivariate normal with the following parameters: $$ \mu_{XY} = \begin{bmatrix} 0 \\ 0.2 \end{bmatrix} \qquad \Sigma_{XY} = \begin{bmatrix} 1 & 0.05 \...
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1answer
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Categorical/Nominal Variables w/ Dependent Variable Ordinal: How to determine change over time

I am trying to run a statistical test to determine how four variables influenced moss mat reattachment rates in a removal experiment. In the experiment, we removed a 10x10 cm moss mat from a rock ...
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22 views

Choosing statistical analysis with an ordinal DV

I am struggling to determine which statistical test to use for my analysis for my dissertation. I am studying how psychologists and clergy members are taught to work with families where there has been ...
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1answer
46 views

How to use a Non-Linear Ordinal Variable as (In)dependent Variable?

I am using the World Values Survey and the answers to my independent variable are as follows: Daily Weekly Monthly Never Answers to my dependent variable: Always Usually Never As you can see, the ...
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174 views

weighted kappa for intra/inter-rater reliability in SPSS

I am working with ordinal scales for cerebral atrophy (ratings 0 to 4) and vascular burden (ratings 0 to 3) assessed by two raters. I have installed the extension bundle for weighted kappa from SPSS ...
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46 views

Why do regression parameters change when adding more explanatory variables in ordinal logistic regression?

I have been using ordinal logistic regression with the ordinal package in R and the clm() function to complete an analysis of ordinal survey research data. In ...
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41 views

Analyze Ranking Data

I've some data from an experiment. Users had to use 4 different applications and had to rank these 4 applications in regards to "best overall", "easiest to use", "safest to use" using 1 for the best ...