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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0answers
21 views

How do I plot an abline() when I don't have any data points (in R) [migrated]

I have to plot a few different simple linear models on a chart, the main point being to comment on them. I have no data for the models. I can't get R to create a plot with appropriate axes, i.e. I ...
0
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0answers
6 views

Visualize bipartite relationships [on hold]

How can I visualize a bipartite data set with many-to-many relationships? Mind mapping software does not do it because most apps are hierarchical and the few (buggy) ones that do allow many-to-many ...
1
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1answer
11 views

Smoothing Kernel Preventing Simulation of Semi-Circle Law of Random Matrices

In trying to understand the properties of random matrices in the book "Plane Answers to Complex Questions" by R.Christensen, I came across the Semi-Circle Law, and tried to reproduce it with ...
0
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0answers
17 views

R - replace TRUE with actual value [on hold]

My goal is to mark the values in plot if the value of jj is less than min_threshold and greater than ...
0
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0answers
16 views

Visualise variance partitioning [on hold]

Can anyone suggest any ways of visualising variance partitioning in R? Can anyone provide code or point me in the direction of books/web pages that provide R code to visualise variance partitioning?
1
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2answers
15 views

Dealing with studies with no cases in meta-analysis

I am meta-analysising the following data by age range: ...
0
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1answer
36 views

How to interpret this normal qq-plot?

I have tried to fit a glm to some weather data and I got this weird qq-plot. What could this possibly mean? I am aware of how various skewed error distribution qq-plots should look like, but what I ...
0
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0answers
11 views

Visualization of two terciary vectors

Let $x,y\in\{-1,0,1\}^n$ are two tertiary vectors of the same size where $n$ is a large integer such as $n=1000$. I want to see that $y_i=x_i$. Do you have any idea of the visualization of that ...
3
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0answers
19 views

Visualise large number of intersecting data

I am trying to visualise the size of the impact of different activities (A,B,C,D etc.) that improve (reduce the size of) a certain situation. Some of the activities (e.g. B and C) overlap with other ...
0
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0answers
5 views

Plot influence function of a datapoint [on hold]

I was wondering whether there is a command in R that allows to plot the influence function of a datapoint for a certain estimator. I have been looking for this all day but I seem not to find it. All ...
0
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0answers
8 views

R gplot for normal distribution - add data to graph [migrated]

I'm trying add to my plot some data that will facilitate users. My distribution graph comes from this code: ...
3
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0answers
22 views

visual statistics: fractions of people [on hold]

Are there any packages/functions in R to plot visual fractions of people (for frequencies, probabilities, etc)? Examples of the kind of plots I would like to make in R (static, without the ...
0
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0answers
15 views

Ranking search results

I was looking at npm (the largest javascript package manager) and how they implemented the search results ranking. Each package has several important fields: name keywords description ...
3
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1answer
31 views

Statistics test to check for a correlation between two groups

I have The number of dispensed items per year and the cost per item - the graphs look as if when the number of dispensed items increase the cost comes down per item (red = cost, blue = number ...
3
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2answers
40 views

Comparing Categorical Variables

What is your go to method to visualize relationships between categorical variables? At work, I find myself working with a discrete outcome variables quite a bit. When exploring data, I often want to ...
0
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0answers
220 views

What's wrong with my derivation on stochastic neighbor embedding?

I've been reading the well-known stochastic neighbor embedding [https://www.cs.nyu.edu/~roweis/papers/sne_final.pdf] for a long time. And I've been trying to derive the gradient of its optimization ...
-1
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1answer
37 views

Clustering Data of 8 dimensions

I am working on a data clustering and don't know how I can achieve it with R ! I am working on a data set of 50 observations each of 8 variables. What i want is to have clusters gathering the ...
4
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1answer
148 views

Comparing and visualising highly skewed distributions

The data I'm working with are highly skewed, with the vast majority of data concentrated at 0. It seems really hard to highlight the differences between these kind of distributions: ...
1
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0answers
12 views

Display more than two variables on the bar chart in Tableau [closed]

I am trying to put more than several variables on the bar chart in Tableau. Display two of them works fine: use Dual Axes chart type + select Syncronize axes option. Var1 and Var2: Var2 and Var3: ...
2
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2answers
72 views

Visualising uncertainty in slope and offset for a regression line?

According to a least squares fit I have performed to my data, my slope is $-0.1038±0.033$, and my offset $0.1065±0.032$. My first idea was to visualise this by drawing three lines: $0.1065-0.1038x$, ...
0
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0answers
7 views

Colors randomly assigned in R riverplot Sankey graph [migrated]

I found the R riverplot package very handy to make Sankey/Minard charts. The output chart is great, including the position of the nodes and the width of the edges. ...
0
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0answers
6 views

r does not show specified dates on x-axis [migrated]

I used the following to generate a histogram ...
3
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7answers
280 views

Comparing k-means results to original data: how to interpret the resulting plots?

I'm running k-means on my dataset that can be found here that has 7 classes. I plotted the ggpairs for the dataset and then took k-means and plotted ggpairs again ...
1
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0answers
42 views

best visualization way to show a PDF+CDF to non-math people

EDIT: please ignore the actual formatting of the graph; it is meant as a demo and not "finalized". We are struggling to find the best way to present CDFs to our customers. They can read PDFs, but ...
2
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0answers
36 views

Visualization of canonical correlation analysis results

What is a good way to visualize the results of canonical correlation analysis (CCA)?
3
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1answer
58 views

Data Visualization: how to plot irregularly spaced time series?

I have a collection of highly irregular sampled data. The gap between measurements can be few seconds, or few weeks or few decades... What are the techniques to plot irregularly spaced time series ...
0
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1answer
9 views

What does Density mean on Y-axis in qplot()? [duplicate]

I'm a beginner at R. I was trying out some code for implementing a basic qplot() on the inbuilt 'mtcars' dataset in R. ...
0
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0answers
6 views

“Error in plot.new() : figure margins too large” when plotting multiple histograms in a window [migrated]

I am attempting to plot several frequency histograms for the binomial distribution to show the Central Limit Theorem visually. Here is my function: ...
0
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0answers
29 views

How do I visualize participants' rankings of options in order of preference?

I asked people to 'Rank in order which social media platforms you use most', using Google forms. (The ranking $1$ represented the most used.) There were 10 different social media platforms to choose, ...
0
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0answers
11 views

R - Combining and visualising spatial data [migrated]

I'm trying to combine some spatial data with a csv data frame then produce a visualisation of some features of the result using ggplot2. When I combine the data and then try to fortify the result so ...
1
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0answers
26 views

Using single line chart with multiple, unrelated, data sets?

I would like to visualize two unrelated sets of data using a single line chart to check for any "correlation" (it's just for fun - nothing that claims to be statistically accurate). Just as an ...
0
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0answers
13 views

Graph showing the first stage effect

I am using a 2SLS approach in order to estiamte the effect from increased education. I want to show the effects of the first stage graphically, ie I want to show that the instrument affects schooling ...
0
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0answers
46 views

Difficulty plotting regression in R [closed]

I am trying to plot a regression using plot() and keep getting the error message "Error in xy.coords(x, y, xlabel, ylabel, log) : 'x' and 'y' lengths differ". ...
3
votes
1answer
60 views

How to use the kernel trick on data that can't be visualized

I'm reviewing the kernel trick and there are a lot of toy examples of how a 2D classification which can't usually be separated by a linear SVM can be separated in 3 space. This is fine, but how is ...
5
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2answers
319 views

Why doesn't my gamma density plot match my histogram of samples?

I'm confused as to why plot is showing such a steep curve for the gamma PDF. I thought that plotting the draws from an inverse-gamma should approximate the PDF, however it doesn't match the plotted ...
0
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0answers
14 views

Feed-Forward Neural Networks Query

Is there a way to generate and ideal input vectors given an observed output vector in a trained network. In a lot of Autoencoder tutorials it is shown how to visualize 1 unit. Can this be extended to ...
1
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0answers
60 views

Suitable graph to compare predicted and actual values across multiple sites

I would like to make a graph to compare predictions with actual values. The graph must be independent of scale and show equal emphasis for over and under prediction. The purpose is to summarise ...
2
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0answers
21 views

Visualizing covariance matrices in R [closed]

I am hoping to draw a picture similar this in R -- this was done in Microsoft Word. Are there any useful R packages or tutorials that may be helpful? Thanks!
1
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1answer
92 views

Plotting results of ordered logistic regression analysis

I tried to plot the results of an ordered logistic regression analysis by calculating the probabilities of endorsing every answer category of the dependent variable (6-point Likert scale, ranging from ...
3
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2answers
56 views

How can I get slope and standard error at several levels of a continuous by continuous interaction in R?

I'm comparing the slopes of several different response variables (DVs; representing different populations) to a set of predictors (IVs). For some DVs a 2-way interaction (continuous by continuous) is ...
3
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1answer
67 views

Understanding cluster plot and component variability

I have run k-means clustering. I have also plotted the results using the following code in R: ...
1
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2answers
52 views

Constructing a data set for visualization

I am enrolled in a data analysis course and part of a course, I need to find a time series data set and generate visualizations and predictions based on my understanding of the findings. Instead of ...
0
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0answers
22 views

how to plot the decision boundary of a linear model in 3d?

In Matlab I have trained a 3 predictor decision model using let's say fitglm or fltlm. Now I want to show the decision boundary plane of the model in 3D. How should I do that?
1
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1answer
30 views

Standard deviation visualization for different time series

I want to visualize the following data in the more concise way possible (only 1 figure of possible!) I have the following averaged and std (grey shaded) profiles, which come from 20 different ...
1
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1answer
36 views

How to read this variable-width chord diagram

This chord diagram is featured in another question asking for its name. Source: Deloitte report, page 10. I've been staring at it for several minutes and still can't figure it out. It's presumably ...
5
votes
2answers
416 views

What is the name of this graph?

What is the name of this type of graph? It shows the customer flow between mobile device manufacturers. Source: Deloitte report
2
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0answers
14 views

Is it invalid to adjust my independent variable based on a regression model fit?

I have a dataset and I want to visualize the relationship between Outcome and Variable1, after adjustment for ...
0
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0answers
12 views

Reveal confusing class blocs in a large confusion matrix

I built a linear classifier for 85 classes. When I get predictions, I construct a confusion matrix. If I visualize it, it looks pretty noisy. I would like to reorder rows and columns such that I ...
2
votes
2answers
36 views

Visual comparison of discrete distribution

I would like to compare distribution of a discrete variable at two time points. I tried histograms, but didn't like the result: I tried to plot the after/before ratio, which does better job in ...
2
votes
1answer
33 views

How to visualize compatibility between different versions of different software?

I have five different software products (let's call them A, B, C, D, and E), each with several different versions. Each version of one product is compatible with at least one (and usually several) ...