Tagged Questions

32 views

Ordinal regression models vs. nominal regression models

Suppose we are trying to decide whether to use an ordinal regression model or a nominal regression model. If we know that the outcome variable is ordered should we still use a nominal regression model ...
47 views

Multinomial logistic regression for big data

How do I go about doing a multinomial logistic regression when I have 70 million observations? Is it feasible? It seems that R is out of the question due to memory constraints?
33 views

Running multiple for loops for multinomial regression in R

I'm using the ANES dataset, which is a repeated cross-sectional study of public opinion and knowledge. I am trying to predict knowledge by individual level characteristics. The data is organized by ...
36 views

Multinomial regression analyses

My dependent variable is categorical (with 3 levels) and my predictor variables are a mix of continuous (age in months, test 1 score, test 2 score, test 3 score) and categorical (gender). I believe I ...
48 views

Dependent is the difference between two Likert scales: Which regression to use?

I asked participants in an experiment the same question once before and once after the experiment, to see the effect of the experiment on the answer. The answers were given on a 5-point scale. To me ...
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Modeling Sequential Discrete Choices

In my experiment, I have a finite set of discrete choices (or alternatives) $S$ in which I ask each participant to select a non-empty subset $s \subseteq S$ and rank the elements in $s$ in their ...
93 views

Multinomial logit regression with ordinal independent variables

I've got some ordinal variables b and a and a categorized variable c. I would like to fit a multinomial logit regression from the library car. I tried to ignore the ordinal scale. I have the ...
125 views

Predicted probabilities for multinomial logistic regression

I have three variables, a factor (c) as the dependent variable and two ordinal independent variables (a, b). Each variable has ...
50 views

Using a set of binary logistic regressions with multiple choice categorical response variable

I have categorical survey data on people's attitudes towards a certain policy area from 13 countries. The response variable is categorical, and includes 4 distinct answers that cannot be ordered. I ...
44 views

Difference between multinomial logit regression and multinomial logistic regression

Is there a difference between the two models - multinomial logit regression and multinomial logistic regression?
75 views

Binary or multinomial logit?

I am having some doubts on whether I should use binary or multinomial logit. I am modelling product choice. The dependent variable is the choice of either shampoo or toothpaste. Although my dependent ...
73 views

Alternatives to the multinomial logit model

I am trying to estimate a model of occupational choice with three choices. Are there any alternatives to using the multinomial logistic regression when handling such unordered categorical outcomes? ...
114 views

Multinomial regression after PCA

I have extracted 7 factors from 25 variables using principal component analysis with varimax rotation. Now I want to use these factors as independent variables and study their relation with an ordinal ...
170 views

Getting p-values for “multinorm” in R (nnet package)

How do I get p-values using the multinorm function of nnet package in R? I have a dataset ...
124 views

Nested Logit model in r

I am trying to run a nested logit using mlogit in R to analyze data from choices people made. There are 4 possible alternatives they could choose from, but in any given choice situation a person had ...
154 views

Which is applicable, ordinal or multinomial regression model?

I have done a job satisfaction survey where the DV is a 7 point Likert type scale and 5 IVs with 6 point Likert-type scale and 6 IVs with 5 point Likert type scale, all ordinal. Which type of ...
75 views

Given the below dependent variable description, should I chose either Ordered or Multinomial logistic regressions?

My dependent variable looks like a range of ranks. It actually might be considered that way. But the ranking is based on subjective non-quantifiable cutoffs. We assessed the behaviors of a group of ...
122 views

Question about the validation step for a multinomial logit model

I've been skimming through a couple of books (all german ones, hence I do not cite them here) at what residual plots one should look at if the usual model assumptions in the context of a multinomial ...
136 views

Multinomial log. regression in SPSS with a dummy independent variable

This is my test design which is simply a grouping variable: When I choose to regress a gender variable (w/m) onto this grouping variable with a multinomial logisitic regression model I'll observe ...
832 views

Interpreting multinomial logistic regression output in R

I am trying to perform multinomial logistic regression on my data which is as below(just the header). "category" is my target variable and all other variables are independent variables. category has ...
141 views

Reference category in multinominal logistic regression

I was wondering how you get beta values for the final model if you don't have a reference condition? I am running a multinominal logistic regression using a dependent variable that has 6 levels - ...
314 views

Binomial / multinomial logistic regression or chi-squared

I am currently doing my fourth year thesis examining the moral stages of children/adolescents. The DV is the moral stage (categorical variable, stages 1, 2, 3, or 4) and the IVs are age group (I ...
332 views

Robust fitting of discrete choice model in R

I'd be really grateful for recommendations of a robust package for fitting discrete choice models to a large amount ($n$ in the millions and $p$ in 2000 range) of data. I want a smoothed model that ...
703 views

Multinomial logistic regression

I would like to get help from an expert or anyone who knows about this. As a beginner in SPSS, I've googled the steps to do multinomial regression. I've decide to use multinomial because from what I ...
248 views

Can I include year as an independent variable in this nested logistic regression design?

I want to make a nested logistic regression in R with the package mlogit. I would like to test how producer's decision to enter organisations (14 organisations) or not is affected by different ...