Constructing meaningful and useful graphical representations of data. (If your question is only about how to get particular software to produce a specific effect, then it is likely not on topic here.)

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0
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0answers
9 views

Which patterns to look for?

I'm struggling with thinking about patterns to look for when I get a brand new data set. Do you have some practical advice how to get ideas what to look for? Of course, that's only for those cases ...
2
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0answers
51 views

Scatter plot with two factor variables for black and white print

How can I best represent a scatter plot with two different factor variables. Consider the example problem, ...
1
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0answers
11 views

Visualise time dependent transitions/event sequences

Consider the following example dataset consisting of road accidents where both an ambulance and police are called onto scene. There are two possible sequences of events: ...
1
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0answers
25 views

How to plot a Semantic Differential profile in R? [on hold]

It looks like it's a problem to find R code for plotting a Semantic Differential profile. The only I hardly found: https://github.com/justineuro/sdRplot. Here is the output example, visit . But it ...
8
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2answers
1k views

What is this type of plot called with side-by-side centered horizontal density bars?

What would you call this type of plot, and is it possible to create them in R? EDIT: many thanks all - very helpful. Best title so far: quantised violin plots!
0
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1answer
27 views

Effects in metaanalysis forest plots - what are the conclusions?

In metaanalysis results are often reported in forest plots, where multiple studies are included. Different, continuous outcome scales are used to measure the effect of a treatment on the course of a ...
4
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0answers
20 views

data visualization following glmm in lmer

Everything I know about glmms is from the internet, and after extensive searching, I haven't come across a good clearcut guide for how to visualize your data in a way that is relevant to hypotheses ...
3
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2answers
46 views

Minimal requirements for funnel plots?

Are there basic minimum requirements for funnel plots to be valid or having a sufficient quality to assess publication bias? For example in regard to: Numbers of included studies? Size of ...
0
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0answers
14 views

Drawing line graph in R [closed]

I am very new to R and would like to draw a line graph. I have got as far as importing my data into R and don't really know where to go next! I've searched the internet for examples of how to plot a ...
1
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0answers
27 views

What I can conclude from this graph Bayesian, Euclidean and mahalanobis classifier?

I have solved this problem: Generate a set of data of N = 1000 2-dimensional vectors that stem from three equiprobable classes. The three classes are modeled by Gaussian distribution with means $ ...
-1
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0answers
7 views

How do I link two-digit Dutch postcodes to latitude and longitude for mapping data to a map of the Netherlands? [migrated]

I want to show data on a map of the Netherlands. To ensure my Dutch participants' privacy, I only asked them to specify the first two numbers of their postcode. I found latitude and longitude for all ...
0
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0answers
26 views

How could a hyperparameter grid search be visualised?

Consider a hyperparameter grid search that looks at the training and testing scores of an estimator with respect to multiple parameters like training epochs, number of nodes in layer 1, number of ...
0
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0answers
20 views

Algorithm question [closed]

Kindly help me with this question: • A short design document detailing what you and why, which algorithms were used and what methods. • Working code solving the problem, and sample output for the ...
3
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0answers
29 views
+50

Two-dimensional mean/95% LOA plot

I have a data set consisting of automated versus manual segmentation of images. For a given measurement point, comparison between the automated and manual method are reported via Jaccard coefficient ...
0
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0answers
23 views

Inferences from PCA plot

I have done a dimensionality reduction of binary labelled data (0,1 labels) from 300 features to 2 features. The plot looks like - What kind of inferences can I make from this plot? Can I infer - ...
0
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0answers
15 views

t-SNE: Aren't identical words meant to stack in the same place?

I looked at t-SNE examples on Laurens van der Maatens' page and noticed, that some words/phrases appear multiple times in slightly different locations (for example zoom in at t-SNE example, middle to ...
0
votes
1answer
94 views

How does Principal Component Analysis help me understand my data?

I have a dataset which contains 10000 examples. Each example has 100 dimensions. These dimensions have the same scale. I clustered all examples using their 100-dimensional vectors and drew the elbow ...
0
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0answers
10 views

Survey ranked choices bigger population of choices visualization and significance testing

A little bit of background, this is about Magic: the Gathering. Out of a pool of maybe 40 viable Legacy decks, experts were asked to rank the 5 decks they thought were best. This means we don't have ...
0
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0answers
32 views

How to draw a 3 nearest neighbour decision boundary

I have an exam tomorrow, and I can't seem to get my head around how to do this, nor can I find any information online for this particular case of a 3NN decision boundary. We are presented with sets of ...
0
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0answers
16 views

Modeling request response time

I have dataset collected by my application that tracks response time by different departments to a set of requests. I'm trying to do some analysis of this data for management so they can track ...
3
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0answers
26 views

How to visualise queue wait time

Suppose I have a process that works as follows: collect all outstanding requests process all of them, which takes time commit all results in one transaction repeat I get a data point (start, ...
1
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0answers
17 views

Autoencoder maximal activation

I am trying to visualize what change each hidden unit of my autoencoder represents in my input space. So I was wondering, why do people only look at the maximal activation of a hidden unit in an ...
20
votes
4answers
3k views

What is the name of this chart showing false and true positive rates and how is it generated?

The image below shows a continuous curve of false positive rates vs. true positive rates: However, what I don't immediately get is how these rates are being calculated. If a method is applied to a ...
1
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0answers
27 views

Is there a better way to present this, visually or verbally?

I have the following table of comparing four different models on three different datasets. The outcome is to show Logloss/Instance and the AUC gain. I can't think of a better way to present this ...
0
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0answers
15 views

Plotting the bar graph of interaction between 2 continuous variables

I found this note in another discussion: *Another way to present the plots of significant interactions between 2 continuous variable is to make a table of the predicted values of the DV for various ...
2
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0answers
14 views

Reading a simplex heatmap [duplicate]

I have trouble reading the following simplex heatmap. Description of the figure: Consider a three-label classification problem. Simplex corners indicate where one label has very high probability, ...
1
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0answers
14 views

How to demonstrate a third quantitative attribute in a scatter plot effectively

I am trying to create a scatter plot that illustrates the relationship between x and y with a third quantitative attribute, z. However, I have a couple of constraints: I do not want to use ...
1
vote
0answers
25 views

Multivariate Q-Q plot to compare datasets

I'm trying to compare two datasets, each of two dimensions with unequal size. I tried using Q-Q plot to compare the datasets however I find it's implementation quite difficult. Can anyone suggest some ...
0
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0answers
8 views

Visualization for discrete integers on a non-fixed domain

So I am wondering if someone can give some input on how I might go creating some good visualization for this data set I have. Lets say that I am allocating buffers in some code that I have and that ...
0
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0answers
9 views

different directions of the dimensions of multiple correspondance analysis

I have done a mca. My focus is about supplementary variable, that I want to see their behavior. This variable is significant (v.test) with the dimension 2 and 3. Both for the dimension 2 and dimension ...
0
votes
1answer
83 views

Data Visualization after k-fold Cross Validation step

I need suggestion about data visualisation for cross validated data. I want to plot data after cross validation and need suggestions how to do that? I am thinking to plot like this If I use a ...
0
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0answers
35 views

Decision Boundary for the following plot

How do I create a decision boundary for the following plot ? I would just want to highlight the points for which the class changes for a pair of specific values of petal width and sepal width. My ...
1
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0answers
15 views

Quasi-complete separation

I have a question regarding quasi-complete separated data. One example of quasi-complete separation is a dataset, where all x < 2 have y=1, all x > 2 have y=0 and some x=2 have y=0 and some x=2 ...
3
votes
1answer
92 views

Visualizing Mahalanobis distance in more than 3 dimensions

I have 4 dimensional data in a matrix, group1, that looks like the following: ...
4
votes
4answers
527 views

How to visualize independent two sample t-test?

What are the most accepted ways to visualize the results of an independent two sample t-test? Is a numeric table more often used or some sort of plot? The goal is for a casual observer to look at the ...
15
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4answers
417 views

Visualising many variables in one plot

I'd like to show how the values of certain variables (~ 15) change over time, but I'd also like to show how the variables differ from each other in each year. So I created this plot: But even when ...
3
votes
1answer
58 views

What's the name of this “barcode-like” graph (used for visualizing spread in data)? [duplicate]

Is there any specific name for the barcode-like graph shown above? The vertical axis does not correspond to any number and (as far as I can tell) the graph only serves to illustrate spread in the ...
1
vote
1answer
48 views

How to Illustrate correlation in binary classification

I ran a correlation in a binary classification problem between one variable and the prediction to determine whether a linear correlation exists. The code: ...
0
votes
1answer
20 views

Trouble plotting probability

I have a density function that can be written as follows: $$ f(r) = \frac{(1-r^2)^{\frac{n-4}{2}}}{\mathbf{B}\left(\frac{1}{2}, \frac{n-2}{2}\right)}$$ Where $\mathbf{B}$ is the beta function. I got ...
8
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2answers
199 views

Visualize bivariate binomial distribution

Question: what does a bivariate binomial distribution look like in 3-dimensional space? Below is the specific function that I would like to visualize for various values of the parameters; namely, ...
0
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0answers
15 views

How to plot the results of k-means cluster analysis from Accord?

I'm using the Accord Framework to do K-means clustering with 3 variables. Is there a good way to plot the results of k-means? Are there existing frameworks, who are good in doing so? Is there a way ...
0
votes
1answer
36 views

Weird Clusplot when plotting k-mediods clustering vector

The basic idea of the problem is that I need to cluster a set of points for which I have a dissimilarity matrix. I have a dataset of around 4600 points (latitudes and longitudes). I have also ...
1
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0answers
19 views

Plotting confidence interval of multilevel logistic regression with y in OR

In my analysis, sickness (y, binary) was regressed against pollution (x, continuous) and other confounders, using multilevel logistic regression (mcghermite in Stata). I obtained the coefficient of x, ...
0
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0answers
29 views

test and plot how proportions change over time

I am trying to test wether the proportion of infected individuals changed over time across two treatment conditions. I'd like to graph my model predictions as well. ...
1
vote
1answer
57 views

Forecasting and making sense of data

This might seem very elementary or even silly, but all comments are much appreciated. As science major I do not have deep technical knowledge in statistics, so any guidance is much appreciated. Say ...
1
vote
1answer
22 views

Calculating a “nice” deviation from an average [closed]

I am not a statistician. But I've ended up working on a product that needs some statistics. Hopefully I can explain my question well enough. Let's say I run a store that sells shirts. Small, Medium, ...
-1
votes
2answers
56 views

How to read a boxplot in R? [duplicate]

I read the boxplot docs, but didn't find the answer. When using the default settings (boxplot(x.ts)), what do the whiskers, boxes, midlines and outliers represent? ...
1
vote
0answers
17 views

How to demonstrate a tradeoff between two desirable but incompatible metrics/features?

I'm trying to understand a tradeoff that came up to me when I'm studying an algorithm used to distribute a load in a distributed system. The tradeoff involves network communication and make span. ...
1
vote
1answer
39 views

How to plot a 3-way interaction with 2 categorical and a quantitative variables

There is a significant 3-way interaction in a data-set I'm working with. The interaction involves 2 categorical (with two levels each) and a quantitative variable. I think I understand how to ...
1
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0answers
28 views

Price comparison statistics and data visualisation

I'm getting into learning statistics and was hoping you could give me some pointers on where to go with this experiment. Basically I'm trying to compare prices for same/similar items across a variety ...