# Tagged Questions

16 views

### Chosing the reference group in a regression with a non-ordinal predictor

When running a model with a categorical predictor, the output contains n-1 p.values where n is the number of levels in the factor. One level is taken to be the reference group. For example: I ...
52 views

### Represent data across multiple categories and sub categories

The data contain category and sub-category distributions. The categories are topics in a quiz such as: Music, Sports, Business. Each category has three levels to choose from: Basic, Standard and ...
43 views

### How to present rows which can have several categories?

I have a spreadsheet where the content is organized like that: content | category1 | category2 | category3 | ... _________|___________|___________|___________| ... content 1| x | ...
1k views

### What is the best way to visualize relationship between discrete and continuous variables?

What is the best way to show a relationship between: continuous and discrete variable, two discrete variables ? So far I have used scatter plots to look at the relationship between continuous ...
165 views

### Plot normal probability for effect estimates in factorial design in R

I have 2 level Design (DOE) with 4 factors (A,B,C,D). I've already calculated the estimates for each main effect and all the interaction effects. How can I construct the normal probability plot to ...
173 views

### How to visualize counts of different categories

Suppose we have $10$ boxes and we are interested in measuring the number of apples, oranges and pears in each. What is a good way to visualize how the boxes relate to each other in terms of the ...
299 views

### How to best display crosstab data?

I have a 10x10 matrix composed of two variables with 10 brands each. One variable is the brand purchased, the other is the brand considered. My matrix shows a crosstabulation between the two. I need ...
1k views

### Plotting logistic regression interaction (categorical) in R

Hello I have the following logistic model with a categorical variable interaction which I wish to plot in R but I am struggling to find any solutions - ...
815 views

### Alternative to sieve / mosaic plots for contingency tables

I once stumbled across a type of plot for categorical data (i.e., contingency tables) on the internet, which I really liked, but I've never found it again, and I don't even know what it's called. It ...
896 views

### How do I create a categorical scatterplot in R like boxplots? [closed]

Does anyone know how to create a scatterplot in R to create plots like these in PRISM's graphpad: ...
998 views

### How to visualize an enormous sparse contingency table?

I have two variables: Drug Name (DN) and corresponding Adverse Events (AE), which stand in a many-to-many relation. There are 33,556 drug names and 9,516 adverse events. The sample size is about 5.8 ...
601 views

### How to visualize both total counts of categories and proportions of subcategories in a plot?

Suppose I have samples drawn from categories A, B, C. Within those categories, I have subcategories d,e,f which are found in all 3 categories. I want to visualize how many samples I have form ...
72 views

### R: looking for “time” clusters in a data set

I am new to R and seeking some advice. I have a set (~20M) of data describing on which step a process did fail or succeeded: ...
836 views

### Is it possible to create “parallel sets” plot using R?

Thanks to Tormod question (posted here) I came across the Parallel Sets plot. Here is an example for how it looks: (It is a visualization of the Titanic dataset. Showing, for example, how most of ...
408 views

### Plotting changes in a three-valued ordinal variable across two time points using R

I have a dataset with 4025 participants across two time points. I have scored them on a three-point categorical variable (Unlikely, Possible, Probable) at each time ...
174 views

### Categorical or continuous scale for area chart?

I would like to plot the attached income distribution dataset (rendered as an image) as an area chart. As you can see, personal income is divided into 26 intervals of varying width. I also have the ...